{"id":65454,"date":"2024-09-27T11:26:31","date_gmt":"2024-09-27T08:26:31","guid":{"rendered":"https:\/\/foxminded.ua\/?p=65454"},"modified":"2024-09-27T11:26:32","modified_gmt":"2024-09-27T08:26:32","slug":"kak-rabotaet-hashmap-v-java","status":"publish","type":"post","link":"https:\/\/foxminded.ua\/ru\/kak-rabotaet-hashmap-v-java\/","title":{"rendered":"\u041a\u0430\u043a \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 hashmap \u0432 Java"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">HashMap Java &#8212; \u044d\u0442\u043e \u043e\u0434\u043d\u0430 \u0438\u0437 \u0441\u0430\u043c\u044b\u0445 \u043f\u043e\u043f\u0443\u043b\u044f\u0440\u043d\u044b\u0445 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440 \u0434\u0430\u043d\u043d\u044b\u0445, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0445\u0440\u0430\u043d\u0438\u0442\u044c \u043f\u0430\u0440\u044b &#171;\u043a\u043b\u044e\u0447-\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435&#187; \u0438 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u0431\u044b\u0441\u0442\u0440\u044b\u0439 \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f\u043c \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043a\u043b\u044e\u0447\u0435\u0439. \u0412\u043a\u0440\u0430\u0442\u0446\u0435 \u043d\u0430\u043f\u043e\u043c\u043d\u044e \u043f\u0440\u043e \u043a\u0443\u0440\u0441\u044b <a href=\"https:\/\/foxminded.ua\/ru\/kurs-java-start-1\/\">Java start<\/a> \u043a\u0430\u043a \u0441\u0442\u0430\u0440\u0442\u043e\u0432\u044b\u0439 \u043a\u0443\u0440\u0441 \u0434\u043b\u044f \u043d\u0430\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0431\u0430\u0437\u043e\u0432\u044b\u0445 \u0437\u043d\u0430\u043d\u0438\u0439 \u0438 <a href=\"https:\/\/foxminded.ua\/ru\/strong-junior-java\/\">JAVA<\/a> &#8212; \u0434\u043b\u044f \u0432\u044b\u0445\u043e\u0434\u0430 \u043d\u0430 \u0443\u0440\u043e\u0432\u0435\u043d\u044c Junior. \u041f\u0440\u0438\u0441\u043e\u0435\u0434\u0438\u043d\u044f\u0439\u0442\u0435\u0441\u044c, \u0434\u0440\u0443\u0437\u044c\u044f. \u0410 \u043f\u043e\u043a\u0430 &#8212; \u0434\u0432\u0438\u0433\u0430\u0435\u043c\u0441\u044f \u0434\u0430\u043b\u044c\u0448\u0435:<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0412\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u044f\u044f \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430 HashMap<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">HashMap \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043c\u0430\u0441\u0441\u0438\u0432\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u0442 \u0442\u0430\u043a \u043d\u0430\u0437\u044b\u0432\u0430\u0435\u043c\u044b\u0435 &#171;\u0431\u0430\u043a\u0435\u0442\u044b&#187; (buckets) &#8212; \u044d\u0442\u043e \u0441\u0432\u043e\u0435\u043e\u0431\u0440\u0430\u0437\u043d\u044b\u0435 \u044f\u0447\u0435\u0439\u043a\u0438, \u0433\u0434\u0435 \u0445\u0440\u0430\u043d\u044f\u0442\u0441\u044f \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b. \u0415\u0441\u043b\u0438 \u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c \u043d\u0430 \u043a\u043e\u0434 HashMap, \u0442\u043e \u043c\u043e\u0436\u043d\u043e \u0443\u0432\u0438\u0434\u0435\u0442\u044c, \u0447\u0442\u043e \u043e\u043d \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u0442 \u0432 \u0441\u0435\u0431\u0435 \u043c\u0430\u0441\u0441\u0438\u0432 Node[]. Node &#8212; \u044d\u0442\u043e \u043a\u043b\u0430\u0441\u0441, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u0435\u0442 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 Map.Entry \u0438 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u0442 \u0447\u0435\u0442\u044b\u0440\u0435 \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0445 \u043f\u043e\u043b\u044f:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>hash: \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u0435\u0442 \u043f\u0440\u0435\u0434\u0432\u0430\u0440\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u043d\u044b\u0439 \u0445\u0435\u0448-\u043a\u043e\u0434 \u043a\u043b\u044e\u0447\u0430.<\/li>\n\n\n\n<li>key: \u0441\u0430\u043c \u043a\u043b\u044e\u0447, \u043f\u043e \u043a\u043e\u0442\u043e\u0440\u043e\u043c\u0443 \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442 \u043f\u043e\u0438\u0441\u043a \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f.<\/li>\n\n\n\n<li>value: \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435, \u0430\u0441\u0441\u043e\u0446\u0438\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0435 \u0441 \u043a\u043b\u044e\u0447\u043e\u043c.<\/li>\n\n\n\n<li>next: \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u0432 \u0441\u043b\u0443\u0447\u0430\u0435 \u043a\u043e\u043b\u043b\u0438\u0437\u0438\u0438 (\u0446\u0435\u043f\u043e\u0447\u043a\u0430 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0435\u0435 \u0441\u0442\u0440\u043e\u0435\u043d\u0438\u0435 \u043a\u043b\u0430\u0441\u0441\u0430 HashMap:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span role=\"button\" tabindex=\"0\" data-code=\"static class Node&lt;K,V&gt; implements Map.Entry&lt;K,V&gt; {\n\n\u00a0\u00a0\u00a0final int hash;\n\n\u00a0\u00a0\u00a0final K key;\n\n\u00a0\u00a0\u00a0V value;\n\n\u00a0\u00a0\u00a0Node&lt;K,V&gt; next;\n\n\u00a0\u00a0\u00a0Node(int hash, K key, V value, Node&lt;K,V&gt; next) {\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0this.hash = hash;\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0this.key = key;\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0this.value = value;\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0this.next = next;\n\n\u00a0\u00a0\u00a0}\n\n\u00a0\u00a0\u00a0public final K getKey()\u00a0 \u00a0 \u00a0 \u00a0 { return key; }\n\n\u00a0\u00a0\u00a0public final V getValue()\u00a0 \u00a0 \u00a0 { return value; }\n\n\u00a0\u00a0\u00a0public final String toString() { return key + &quot;=&quot; + value; }\n\n\u00a0\u00a0\u00a0public final int hashCode() {\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return Objects.hashCode(key) ^ Objects.hashCode(value);\n\n\u00a0\u00a0\u00a0}\n\n\u00a0\u00a0\u00a0public final V setValue(V newValue) {\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0V oldValue = value;\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0value = newValue;\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return oldValue;\n\n\u00a0\u00a0\u00a0}\n\n\u00a0\u00a0\u00a0public final boolean equals(Object o) {\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if (o == this)\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return true;\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if (o instanceof Map.Entry) {\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Map.Entry&lt;?,?&gt; e = (Map.Entry&lt;?,?&gt;)o;\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if (Objects.equals(key, e.getKey()) &amp;&amp;\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Objects.equals(value, e.getValue()))\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return true;\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return false;\n\n\u00a0\u00a0\u00a0}\n\n}\" style=\"color:#babed8;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki material-theme-palenight\" style=\"background-color: #292D3E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #BABED8\">static <\/span><span style=\"color: #C792EA\">class<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #FFCB6B\">Node<\/span><span style=\"color: #89DDFF\">&lt;<\/span><span style=\"color: #FFCB6B\">K<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #FFCB6B\">V<\/span><span style=\"color: #89DDFF\">&gt;<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #C792EA\">implements<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #FFCB6B\">Map<\/span><span style=\"color: #89DDFF\">.<\/span><span style=\"color: #FFCB6B\">Entry<\/span><span style=\"color: #89DDFF\">&lt;<\/span><span style=\"color: #FFCB6B\">K<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #FFCB6B\">V<\/span><span style=\"color: #89DDFF\">&gt;<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #89DDFF\">{<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #BABED8\">\u00a0\u00a0\u00a0final int <\/span><span style=\"color: #F07178\">hash<\/span><span style=\"color: #89DDFF\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #BABED8\">\u00a0\u00a0\u00a0final K <\/span><span style=\"color: #F07178\">key<\/span><span style=\"color: #89DDFF\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #BABED8\">\u00a0\u00a0\u00a0V <\/span><span style=\"color: #F07178\">value<\/span><span style=\"color: #89DDFF\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #BABED8\">\u00a0\u00a0\u00a0Node<\/span><span style=\"color: #89DDFF\">&lt;<\/span><span style=\"color: #F07178\">K<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #BABED8\">V<\/span><span style=\"color: #89DDFF\">&gt;<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #F07178\">next<\/span><span style=\"color: #89DDFF\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #BABED8\">\u00a0\u00a0\u00a0<\/span><span style=\"color: #F07178\">Node<\/span><span style=\"color: #89DDFF\">(<\/span><span style=\"color: #BABED8; font-style: italic\">int<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #BABED8; font-style: italic\">hash<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #BABED8; font-style: italic\">K<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #BABED8; font-style: italic\">key<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #BABED8; font-style: italic\">V<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #BABED8; font-style: italic\">value<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #BABED8; font-style: italic\">Node<\/span><span style=\"color: #BABED8\">&lt;<\/span><span style=\"color: #BABED8; font-style: italic\">K<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #BABED8; font-style: italic\">V<\/span><span style=\"color: #BABED8\">&gt; <\/span><span style=\"color: #BABED8; font-style: italic\">next<\/span><span style=\"color: #89DDFF\">)<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #89DDFF\">{<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #89DDFF\">this.<\/span><span style=\"color: #BABED8\">hash<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #89DDFF\">=<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #BABED8\">hash<\/span><span style=\"color: #89DDFF\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #89DDFF\">this.<\/span><span style=\"color: #BABED8\">key<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #89DDFF\">=<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #BABED8\">key<\/span><span style=\"color: #89DDFF\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #89DDFF\">this.<\/span><span style=\"color: #BABED8\">value<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #89DDFF\">=<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #BABED8\">value<\/span><span style=\"color: #89DDFF\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #89DDFF\">this.<\/span><span style=\"color: #BABED8\">next<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #89DDFF\">=<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #BABED8\">next<\/span><span style=\"color: #89DDFF\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0<\/span><span style=\"color: #89DDFF\">}<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #BABED8\">\u00a0\u00a0\u00a0<\/span><span style=\"color: #C792EA\">public<\/span><span style=\"color: #BABED8\"> final K <\/span><span style=\"color: #F07178\">getKey<\/span><span style=\"color: #89DDFF\">()<\/span><span style=\"color: #BABED8\">\u00a0 \u00a0 \u00a0 \u00a0 <\/span><span style=\"color: #89DDFF\">{<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #89DDFF; font-style: italic\">return<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #BABED8\">key<\/span><span style=\"color: #89DDFF\">;<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #89DDFF\">}<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #BABED8\">\u00a0\u00a0\u00a0<\/span><span style=\"color: #C792EA\">public<\/span><span style=\"color: #BABED8\"> final V <\/span><span style=\"color: #F07178\">getValue<\/span><span style=\"color: #89DDFF\">()<\/span><span style=\"color: #BABED8\">\u00a0 \u00a0 \u00a0 <\/span><span style=\"color: #89DDFF\">{<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #89DDFF; font-style: italic\">return<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #BABED8\">value<\/span><span style=\"color: #89DDFF\">;<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #89DDFF\">}<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #BABED8\">\u00a0\u00a0\u00a0<\/span><span style=\"color: #C792EA\">public<\/span><span style=\"color: #BABED8\"> final String <\/span><span style=\"color: #F07178\">toString<\/span><span style=\"color: #89DDFF\">()<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #89DDFF\">{<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #89DDFF; font-style: italic\">return<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #BABED8\">key<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #89DDFF\">+<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #89DDFF\">&quot;<\/span><span style=\"color: #C3E88D\">=<\/span><span style=\"color: #89DDFF\">&quot;<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #89DDFF\">+<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #BABED8\">value<\/span><span style=\"color: #89DDFF\">;<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #89DDFF\">}<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #BABED8\">\u00a0\u00a0\u00a0<\/span><span style=\"color: #C792EA\">public<\/span><span style=\"color: #BABED8\"> final int <\/span><span style=\"color: #F07178\">hashCode<\/span><span style=\"color: #89DDFF\">()<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #89DDFF\">{<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #89DDFF; font-style: italic\">return<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #BABED8\">Objects<\/span><span style=\"color: #89DDFF\">.<\/span><span style=\"color: #82AAFF\">hashCode<\/span><span style=\"color: #F07178\">(<\/span><span style=\"color: #BABED8\">key<\/span><span style=\"color: #F07178\">) <\/span><span style=\"color: #89DDFF\">^<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #BABED8\">Objects<\/span><span style=\"color: #89DDFF\">.<\/span><span style=\"color: #82AAFF\">hashCode<\/span><span style=\"color: #F07178\">(<\/span><span style=\"color: #BABED8\">value<\/span><span style=\"color: #F07178\">)<\/span><span style=\"color: #89DDFF\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0<\/span><span style=\"color: #89DDFF\">}<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #BABED8\">\u00a0\u00a0\u00a0<\/span><span style=\"color: #C792EA\">public<\/span><span style=\"color: #BABED8\"> final V <\/span><span style=\"color: #F07178\">setValue<\/span><span style=\"color: #89DDFF\">(<\/span><span style=\"color: #BABED8; font-style: italic\">V<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #BABED8; font-style: italic\">newValue<\/span><span style=\"color: #89DDFF\">)<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #89DDFF\">{<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #BABED8\">V<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #BABED8\">oldValue<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #89DDFF\">=<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #BABED8\">value<\/span><span style=\"color: #89DDFF\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #BABED8\">value<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #89DDFF\">=<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #BABED8\">newValue<\/span><span style=\"color: #89DDFF\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #89DDFF; font-style: italic\">return<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #BABED8\">oldValue<\/span><span style=\"color: #89DDFF\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0<\/span><span style=\"color: #89DDFF\">}<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #BABED8\">\u00a0\u00a0\u00a0<\/span><span style=\"color: #C792EA\">public<\/span><span style=\"color: #BABED8\"> final boolean <\/span><span style=\"color: #F07178\">equals<\/span><span style=\"color: #89DDFF\">(<\/span><span style=\"color: #BABED8; font-style: italic\">Object<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #BABED8; font-style: italic\">o<\/span><span style=\"color: #89DDFF\">)<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #89DDFF\">{<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #89DDFF; font-style: italic\">if<\/span><span style=\"color: #F07178\"> (<\/span><span style=\"color: #BABED8\">o<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #89DDFF\">==<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #89DDFF\">this<\/span><span style=\"color: #F07178\">)<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #89DDFF; font-style: italic\">return<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #FF9CAC\">true<\/span><span style=\"color: #89DDFF\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #89DDFF; font-style: italic\">if<\/span><span style=\"color: #F07178\"> (<\/span><span style=\"color: #BABED8\">o<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #89DDFF\">instanceof<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #FFCB6B\">Map<\/span><span style=\"color: #89DDFF\">.<\/span><span style=\"color: #FFCB6B\">Entry<\/span><span style=\"color: #F07178\">) <\/span><span style=\"color: #89DDFF\">{<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #BABED8\">Map<\/span><span style=\"color: #89DDFF\">.<\/span><span style=\"color: #BABED8\">Entry<\/span><span style=\"color: #89DDFF\">&lt;?,?&gt;<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #BABED8\">e<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #89DDFF\">=<\/span><span style=\"color: #F07178\"> (<\/span><span style=\"color: #BABED8\">Map<\/span><span style=\"color: #89DDFF\">.<\/span><span style=\"color: #BABED8\">Entry<\/span><span style=\"color: #89DDFF\">&lt;?,?&gt;<\/span><span style=\"color: #F07178\">)<\/span><span style=\"color: #BABED8\">o<\/span><span style=\"color: #F07178\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #82AAFF\">if<\/span><span style=\"color: #F07178\"> (<\/span><span style=\"color: #BABED8\">Objects<\/span><span style=\"color: #89DDFF\">.<\/span><span style=\"color: #82AAFF\">equals<\/span><span style=\"color: #F07178\">(<\/span><span style=\"color: #BABED8\">key<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #BABED8\">e<\/span><span style=\"color: #89DDFF\">.<\/span><span style=\"color: #82AAFF\">getKey<\/span><span style=\"color: #F07178\">()) <\/span><span style=\"color: #89DDFF\">&amp;&amp;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #BABED8\">Objects<\/span><span style=\"color: #89DDFF\">.<\/span><span style=\"color: #82AAFF\">equals<\/span><span style=\"color: #F07178\">(<\/span><span style=\"color: #BABED8\">value<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #BABED8\">e<\/span><span style=\"color: #89DDFF\">.<\/span><span style=\"color: #82AAFF\">getValue<\/span><span style=\"color: #F07178\">()))<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #BABED8\">return<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #FF9CAC\">true<\/span><span style=\"color: #F07178\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #BABED8\">return<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #FF9CAC\">false<\/span><span style=\"color: #F07178\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0}<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u041a\u043e\u0433\u0434\u0430 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0432 HashMap \u0432 Java, \u0432\u044b\u0447\u0438\u0441\u043b\u044f\u0435\u0442\u0441\u044f \u0445\u044d\u0448-\u043a\u043e\u0434 \u043a\u043b\u044e\u0447\u0430, \u0438 \u043d\u0430 \u0435\u0433\u043e \u043e\u0441\u043d\u043e\u0432\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u0442\u0441\u044f \u0438\u043d\u0434\u0435\u043a\u0441 \u0432 \u043c\u0430\u0441\u0441\u0438\u0432\u0435 \u0431\u0430\u043a\u0435\u0442\u043e\u0432, \u043a\u0443\u0434\u0430 \u044d\u0442\u043e\u0442 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u0431\u0443\u0434\u0435\u0442 \u043f\u043e\u043c\u0435\u0449\u0435\u043d. \u0415\u0441\u043b\u0438 \u0431\u0430\u043a\u0435\u0442 \u0441 \u044d\u0442\u0438\u043c \u0438\u043d\u0434\u0435\u043a\u0441\u043e\u043c \u043f\u0443\u0441\u0442, \u043d\u043e\u0432\u044b\u0439 Node \u043f\u0440\u043e\u0441\u0442\u043e \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432 \u043d\u0435\u0433\u043e. \u042d\u0442\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044f \u043e\u0447\u0435\u043d\u044c \u0431\u044b\u0441\u0442\u0440\u0430\u044f, \u043f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u0435 \u0438\u043d\u0434\u0435\u043a\u0441\u0430 \u043c\u0430\u0441\u0441\u0438\u0432\u0430 \u0438\u0437 \u0445\u0435\u0448-\u043a\u043e\u0434\u0430 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f \u0437\u0430 \u043a\u043e\u043d\u0441\u0442\u0430\u043d\u0442\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f &#8212; O(1).<\/p>\n\n\n    <div class=\"adv_block\">\r\n        <div class=\"top_text\">\u0418\u0437\u0443\u0447\u0438\u0442\u044c \u043e\u0441\u043d\u043e\u0432\u044b Java \u0432 \u043a\u043e\u0440\u043e\u0442\u043a\u0438\u0435 \u0441\u0440\u043e\u043a\u0438 \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u043d\u0430 \u043a\u0443\u0440\u0441\u0435 \u043e\u0442 \u0421\u0435\u0440\u0433\u0435\u044f \u041d\u0435\u043c\u0447\u0438\u043d\u0441\u043a\u043e\u0433\u043e <a href=\"https:\/\/foxminded.ua\/ru\/kurs-java-start-1\/\">Java Start<\/a>!<\/div>\r\n        \r\n        <a href=\"https:\/\/foxminded.ua\/ru\/kurs-java-start-1\/\" class=\"adv_block_btn btn btn-primary\">\r\n            \u0414\u0435\u0442\u0430\u043b\u0438 \u043a\u0443\u0440\u0441\u0430        <\/a>\r\n    <\/div>\r\n\n\n\n<h3 class=\"wp-block-heading\">\u041a\u043e\u043b\u043b\u0438\u0437\u0438\u044f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412 \u0438\u0434\u0435\u0430\u043b\u044c\u043d\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u043a\u0430\u0436\u0434\u044b\u0439 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u0434\u043e\u043b\u0436\u0435\u043d \u0431\u044b\u043b \u0431\u044b \u0438\u043c\u0435\u0442\u044c \u0441\u0432\u043e\u0439 \u043b\u0438\u0447\u043d\u044b\u0439 \u0431\u0430\u043a\u0435\u0442, \u043d\u043e \u0438\u0437-\u0437\u0430 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u043d\u043e\u0441\u0442\u0438 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0445 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 \u0445\u0435\u0448-\u043a\u043e\u0434\u043e\u0432 \u0447\u0430\u0441\u0442\u043e \u0432\u043e\u0437\u043d\u0438\u043a\u0430\u044e\u0442 \u043a\u043e\u043b\u043b\u0438\u0437\u0438\u0438, \u043a\u043e\u0433\u0434\u0430 \u0440\u0430\u0437\u043d\u044b\u0435 \u043a\u043b\u044e\u0447\u0438 \u043f\u043e\u043f\u0430\u0434\u0430\u044e\u0442 \u0432 \u043e\u0434\u0438\u043d \u0438 \u0442\u043e\u0442 \u0436\u0435 \u0431\u0430\u043a\u0435\u0442, \u043f\u043e\u0442\u043e\u043c\u0443 \u0447\u0442\u043e \u0443 \u043d\u0438\u0445 \u0432\u044b\u0447\u0438\u0441\u043b\u044f\u0435\u0442\u0441\u044f \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u044b\u0439 \u0445\u0435\u0448-\u043a\u043e\u0434. \u041f\u043e\u044d\u0442\u043e\u043c\u0443 \u0435\u0441\u043b\u0438 \u0431\u0430\u043a\u0435\u0442 \u0443\u0436\u0435 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u0442 \u0434\u0440\u0443\u0433\u0438\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b, \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442 \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 \u043a\u043b\u044e\u0447\u0435\u0439 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e equals. \u0415\u0441\u043b\u0438 \u043e\u043d\u0438 \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u044b\u0435 &#8212; \u0438\u0434\u0435\u0442 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f (value). \u0415\u0441\u043b\u0438 \u043a\u043b\u044e\u0447\u0438 \u0440\u0430\u0437\u043d\u044b\u0435 &#8212; \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043d\u043e\u0432\u044b\u0439 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u0432 \u0446\u0435\u043f\u043e\u0447\u043a\u0443.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412 \u0441\u043b\u0443\u0447\u0430\u0435 \u043a\u043e\u043b\u043b\u0438\u0437\u0438\u0439, \u043a\u043e\u0433\u0434\u0430 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0445\u0440\u0430\u043d\u044f\u0442\u0441\u044f \u0432 \u043e\u0434\u043d\u043e\u043c \u0431\u0430\u043a\u0435\u0442\u0435 \u0432 \u0432\u0438\u0434\u0435 \u0446\u0435\u043f\u043e\u0447\u043a\u0438 (\u0441\u0432\u044f\u0437\u0430\u043d\u043d\u043e\u0433\u043e \u0441\u043f\u0438\u0441\u043a\u0430), \u0441\u043b\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u043e\u0438\u0441\u043a\u0430 \u0432 \u0445\u0443\u0434\u0448\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u0443\u0432\u0435\u043b\u0438\u0447\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0434\u043e O(n), \u0433\u0434\u0435 n &#8212; \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0432 \u044d\u0442\u043e\u0439 \u0446\u0435\u043f\u043e\u0447\u043a\u0435.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041e\u0434\u043d\u0430\u043a\u043e \u0432 \u0441\u0440\u0435\u0434\u043d\u0435\u043c, \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u0440\u0430\u0432\u043d\u043e\u043c\u0435\u0440\u043d\u043e\u043c\u0443 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044e \u0445\u0435\u0448-\u043a\u043e\u0434\u043e\u0432 \u0438 \u0445\u043e\u0440\u043e\u0448\u0435\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 hashCode(), \u0441\u043b\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u043e\u0438\u0441\u043a\u0430 \u043e\u0441\u0442\u0430\u0435\u0442\u0441\u044f O(1) \u0434\u043b\u044f \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u0430 \u0441\u043b\u0443\u0447\u0430\u0435\u0432.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0420\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043f\u0440\u0438\u043c\u0435\u0440. \u041f\u0440\u0435\u0434\u043f\u043e\u043b\u043e\u0436\u0438\u043c, \u0447\u0442\u043e \u0443 \u0432\u0430\u0441 \u0435\u0441\u0442\u044c \u0434\u0432\u0430 \u043a\u043b\u044e\u0447\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0435, \u043f\u043e\u0441\u043b\u0435 \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u044f \u0445\u0435\u0448-\u043a\u043e\u0434\u0430, \u0438\u043c\u0435\u044e\u0442 \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u044b\u0439 \u0438\u043d\u0434\u0435\u043a\u0441 \u0432 \u043c\u0430\u0441\u0441\u0438\u0432\u0435 \u0431\u0430\u043a\u0435\u0442\u043e\u0432. \u041f\u0435\u0440\u0432\u044b\u0439 \u043a\u043b\u044e\u0447 (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, &#171;key1&#187;) \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432 \u043f\u0443\u0441\u0442\u043e\u0439 \u0431\u0430\u043a\u0435\u0442 \u043f\u043e\u0434 \u043d\u043e\u043c\u0435\u0440\u043e\u043c 2, \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u044f \u043d\u043e\u0432\u044b\u0439 Node. \u041a\u043e\u0433\u0434\u0430 \u0432\u044b \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u0442\u0435 \u0432\u0442\u043e\u0440\u043e\u0439 \u043a\u043b\u044e\u0447 (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, &#171;key2&#187;), \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0438\u043c\u0435\u0435\u0442 \u0442\u043e\u0442 \u0436\u0435 \u0445\u044d\u0448-\u043a\u043e\u0434 \u0438, \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0435\u043d\u043d\u043e, \u0438\u043d\u0434\u0435\u043a\u0441 \u0432 \u043c\u0430\u0441\u0441\u0438\u0432\u0435, HashMap \u043f\u043e\u043c\u0435\u0449\u0430\u0435\u0442 \u044d\u0442\u043e\u0442 \u043d\u043e\u0432\u044b\u0439 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u0432 \u0442\u043e\u0442 \u0436\u0435 \u0431\u0430\u043a\u0435\u0442, \u043d\u043e \u0443\u0436\u0435 \u0432 \u0432\u0438\u0434\u0435 \u043d\u043e\u0432\u043e\u0433\u043e Node, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0441\u0441\u044b\u043b\u0430\u0435\u0442\u0441\u044f \u043d\u0430 \u043f\u0440\u0435\u0434\u044b\u0434\u0443\u0449\u0438\u0439.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXfPBYP1S0c5_ssLVMwYenme6Hbq8GiDgPmh97E-A6m5Tv2aql0-iWHIniTCd7RsDxFbsz18EjrUv5Jd8eBZQ-rUb6z5sSCUNfyJaq2vUaEpJssZePHe7Pw8lKZTEFmnRe8-UjeOVHFY3jG-tTSBFVqsyYSt?key=lsAiKcbj946aijd9hwoVHg\" alt=\"\" style=\"width:488px;height:auto\"\/><\/figure>\n<\/div>\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span role=\"button\" tabindex=\"0\" data-code=\"Node&lt;K,V&gt; firstNode = new Node&lt;&gt;(hash1, key1, value1, null);\n\nNode&lt;K,V&gt; secondNode = new Node&lt;&gt;(hash1, key2, value2, firstNode);\" style=\"color:#babed8;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki material-theme-palenight\" style=\"background-color: #292D3E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #BABED8\">Node<\/span><span style=\"color: #89DDFF\">&lt;<\/span><span style=\"color: #BABED8\">K<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #BABED8\">V<\/span><span style=\"color: #89DDFF\">&gt;<\/span><span style=\"color: #BABED8\"> firstNode <\/span><span style=\"color: #89DDFF\">=<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #89DDFF\">new<\/span><span style=\"color: #BABED8\"> Node<\/span><span style=\"color: #89DDFF\">&lt;&gt;<\/span><span style=\"color: #BABED8\">(hash1<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #BABED8\"> key1<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #BABED8\"> value1<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #89DDFF\">null<\/span><span style=\"color: #BABED8\">)<\/span><span style=\"color: #89DDFF\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #BABED8\">Node<\/span><span style=\"color: #89DDFF\">&lt;<\/span><span style=\"color: #BABED8\">K<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #BABED8\">V<\/span><span style=\"color: #89DDFF\">&gt;<\/span><span style=\"color: #BABED8\"> secondNode <\/span><span style=\"color: #89DDFF\">=<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #89DDFF\">new<\/span><span style=\"color: #BABED8\"> Node<\/span><span style=\"color: #89DDFF\">&lt;&gt;<\/span><span style=\"color: #BABED8\">(hash1<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #BABED8\"> key2<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #BABED8\"> value2<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #BABED8\"> firstNode)<\/span><span style=\"color: #89DDFF\">;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412 \u0441\u043b\u0443\u0447\u0430\u0435, \u043a\u043e\u0433\u0434\u0430 \u0432\u044b \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u0442\u0435 \u0434\u0432\u0430 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430 \u0441 \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u044b\u043c\u0438 \u043a\u043b\u044e\u0447\u0430\u043c\u0438, \u043d\u043e \u0441 \u0440\u0430\u0437\u043d\u044b\u043c\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f\u043c\u0438, HashMap \u043f\u0440\u043e\u0441\u0442\u043e \u0437\u0430\u043c\u0435\u043d\u044f\u0435\u0442 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043f\u0435\u0440\u0432\u043e\u0433\u043e \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430 \u043d\u0430 \u043d\u043e\u0432\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435, \u0442\u043e \u0435\u0441\u0442\u044c \u043f\u0435\u0440\u0435\u0437\u0430\u043f\u0438\u0441\u044b\u0432\u0430\u0435\u0442 \u0435\u0433\u043e.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0414\u043e\u043f\u0443\u0441\u0442\u0438\u043c, \u0432 \u0445\u0435\u0448 \u043a\u0430\u0440\u0442\u0435 \u0443\u0436\u0435 \u0435\u0441\u0442\u044c \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u0441 \u043a\u043b\u044e\u0447\u043e\u043c &#171;key1&#187; \u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c &#171;value1&#187;.<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span role=\"button\" tabindex=\"0\" data-code=\"Node&lt;K,V&gt; firstNode = new Node&lt;&gt;(hash1, key1, value1, null);\" style=\"color:#babed8;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki material-theme-palenight\" style=\"background-color: #292D3E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #BABED8\">Node<\/span><span style=\"color: #89DDFF\">&lt;<\/span><span style=\"color: #BABED8\">K<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #BABED8\">V<\/span><span style=\"color: #89DDFF\">&gt;<\/span><span style=\"color: #BABED8\"> firstNode <\/span><span style=\"color: #89DDFF\">=<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #89DDFF\">new<\/span><span style=\"color: #BABED8\"> Node<\/span><span style=\"color: #89DDFF\">&lt;&gt;<\/span><span style=\"color: #BABED8\">(hash1<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #BABED8\"> key1<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #BABED8\"> value1<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #89DDFF\">null<\/span><span style=\"color: #BABED8\">)<\/span><span style=\"color: #89DDFF\">;<\/span><\/span><\/code><\/pre><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXeNY7ANICuUxqCGrLiV_bdInhSNDYNbWO4laTm-gtmIMiRAM9VQx4iYnU-KwCrINJvsdxKU_7AsvDOlYbdefCNSnbJKkePjfcxYtYyEbSyuygBcJVQFC1mh015tTBaGx7auhSYV41RmgjOYBk0uwgzm0WnX?key=lsAiKcbj946aijd9hwoVHg\" alt=\"\" style=\"width:517px;height:auto\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u041f\u043e\u044d\u0442\u043e\u043c\u0443, \u043a\u043e\u0433\u0434\u0430 \u0432\u044b \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u0442\u0435 \u0432\u0442\u043e\u0440\u043e\u0439 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u0441 \u0442\u0430\u043a\u0438\u043c \u0436\u0435 \u043a\u043b\u044e\u0447\u043e\u043c, \u043d\u043e \u0441 \u0434\u0440\u0443\u0433\u0438\u043c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c, HashMap \u043d\u0430\u0445\u043e\u0434\u0438\u0442 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0439 \u043a\u043b\u044e\u0447 &#171;key1&#187; \u0432 \u0442\u043e\u043c \u0436\u0435 \u0431\u0430\u043a\u0435\u0442\u0435 (\u043f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u0445\u0435\u0448-\u043a\u043e\u0434\u044b \u0441\u043e\u0432\u043f\u0430\u0434\u0430\u044e\u0442) \u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0443 equals(), \u0447\u0442\u043e\u0431\u044b \u0443\u0431\u0435\u0434\u0438\u0442\u044c\u0441\u044f, \u0447\u0442\u043e \u043a\u043b\u044e\u0447\u0438 \u0440\u0430\u0432\u043d\u044b. \u041f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u043e\u043d\u0438 \u0440\u0430\u0432\u043d\u044b, \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 value1 \u0437\u0430\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u043d\u043e\u0432\u044b\u043c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c &#171;value2&#187;, \u0438 \u0446\u0435\u043f\u043e\u0447\u043a\u0430 \u043d\u0435 \u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span role=\"button\" tabindex=\"0\" data-code=\"Node&lt;K,V&gt; firstNode = new Node&lt;&gt;(hash1, key1, value2, null);\" style=\"color:#babed8;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki material-theme-palenight\" style=\"background-color: #292D3E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #BABED8\">Node<\/span><span style=\"color: #89DDFF\">&lt;<\/span><span style=\"color: #BABED8\">K<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #BABED8\">V<\/span><span style=\"color: #89DDFF\">&gt;<\/span><span style=\"color: #BABED8\"> firstNode <\/span><span style=\"color: #89DDFF\">=<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #89DDFF\">new<\/span><span style=\"color: #BABED8\"> Node<\/span><span style=\"color: #89DDFF\">&lt;&gt;<\/span><span style=\"color: #BABED8\">(hash1<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #BABED8\"> key1<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #BABED8\"> value2<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #BABED8\"> <\/span><span style=\"color: #89DDFF\">null<\/span><span style=\"color: #BABED8\">)<\/span><span style=\"color: #89DDFF\">;<\/span><\/span><\/code><\/pre><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXeTw1A5Uj7FPIziB_kHN5XdyQvwVbdALbKlLuvnvNWABciv-8ohn-tPL7S28yl7H-a-sYozotri5KEauAZjvXV7KeYjNkv-nAn7awias0ae4PpiZO4TRa902vX4mXxfuBwOWAyVyTmpCM4fYUhMih777O_G?key=lsAiKcbj946aijd9hwoVHg\" alt=\"\" style=\"width:497px;height:auto\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u041e\u0447\u0435\u043d\u044c \u0432\u0430\u0436\u043d\u043e, \u0447\u0442\u043e\u0431\u044b \u043a\u043b\u044e\u0447\u0438 \u0432 HashMap \u0431\u044b\u043b\u0438 immutable (\u043d\u0435\u0438\u0437\u043c\u0435\u043d\u043d\u044b\u043c\u0438). \u0412\u0435\u0434\u044c \u0435\u0441\u043b\u0438 \u043a\u043b\u044e\u0447 \u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0441\u043b\u0435 \u0442\u043e\u0433\u043e, \u043a\u0430\u043a \u043e\u043d \u0431\u044b\u043b \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d \u0432 HashMap, \u044d\u0442\u043e \u043c\u043e\u0436\u0435\u0442 \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u044c \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u043f\u043e \u0431\u0430\u043a\u0435\u0442\u0430\u043c. \u0412\u0435\u0434\u044c \u0443 \u043d\u043e\u0432\u043e\u0433\u043e \u043a\u043b\u044e\u0447\u0430 \u0443\u0436\u0435 \u0431\u0443\u0434\u0435\u0442 \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d \u043d\u043e\u0432\u044b\u0439 \u0445\u0435\u0448 \u043a\u043e\u0434, \u043d\u043e \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u0432 \u044f\u0447\u0435\u0439\u043a\u0435 \u043f\u043e \u0441\u0442\u0430\u0440\u043e\u043c\u0443 \u0445\u0435\u0448 \u043a\u043e\u0434\u0443. \u042d\u0442\u043e \u043f\u0440\u0438\u0432\u0435\u0434\u0435\u0442 \u043a \u0442\u043e\u043c\u0443, \u0447\u0442\u043e \u043e\u0431\u044a\u0435\u043a\u0442 \u0441\u0442\u0430\u043d\u0435\u0442 \u043d\u0435\u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b\u043c, \u043b\u0438\u0431\u043e \u0431\u0443\u0434\u0443\u0442 \u043d\u0430\u0440\u0443\u0448\u0435\u043d\u044b \u043f\u0440\u0430\u0432\u0438\u043b\u0430 \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u0432 \u0431\u0430\u043a\u0435\u0442\u0435.<\/p>\n\n\n    <div class=\"adv_courses_links\">\r\n        <div class=\"adv_courses_wrap\">\r\n            <div class=\"top_block\">\r\n                <span>FoxmindEd<\/span> &#8212; \u044d\u0442\u043e \u0443\u0447\u0435\u0431\u043d\u044b\u0439 \u0446\u0435\u043d\u0442\u0440 \u0441 \u0431\u043e\u043b\u044c\u0448\u0438\u043c \u0432\u044b\u0431\u043e\u0440\u043e\u043c \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0439 \u043a\u0443\u0440\u0441\u043e\u0432 \u0434\u043b\u044f \u043d\u043e\u0432\u0438\u0447\u043a\u043e\u0432 \u0438 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0441\u0442\u043e\u0432 \u0441 \u043e\u043f\u044b\u0442\u043e\u043c!            <\/div>\r\n            <div class=\"adv_courses_link\">\r\n                <span>\u041d\u0430\u0447\u0438\u043d\u0430\u0435\u0442\u0435 \u0441\u0432\u043e\u0439 \u043f\u0443\u0442\u044c \u0432 I\u0422?<\/span> \u041f\u043e\u043f\u0440\u043e\u0431\u0443\u0439\u0442\u0435 <a href=\"https:\/\/foxminded.ua\/ru\/start-course-2\/\">\u0441\u0442\u0430\u0440\u0442\u043e\u0432\u044b\u0435 IT-\u043a\u0443\u0440\u0441\u044b<\/a>            <\/div>\r\n            <div class=\"adv_courses_link\">\r\n                <span>\u0418\u043c\u0435\u0435\u0442\u0435 \u0431\u0430\u0437\u043e\u0432\u044b\u0435 \u043d\u0430\u0432\u044b\u043a\u0438 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f?<\/span> \u0422\u043e\u0433\u0434\u0430 \u0432\u0430\u043c \u043d\u0430 <a href=\"https:\/\/foxminded.ua\/ru\/junior-course\/\">\u043a\u0443\u0440\u0441\u044b \u0444\u043e\u0440\u043c\u0430\u0442\u0430 \u041c\u0435\u043d\u0442\u043e\u0440\u0438\u043d\u0433<\/a>            <\/div>\r\n            <div class=\"adv_courses_link\">\r\n                <span>\u0425\u043e\u0442\u0438\u0442\u0435 \u0443\u0433\u043b\u0443\u0431\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u0437\u043d\u0430\u043d\u0438\u044f \u0432 I\u0422?<\/span> \u0423 \u043d\u0430\u0441 \u0435\u0441\u0442\u044c <a href=\"https:\/\/foxminded.ua\/ru\/advanced-courses\/\">\u043a\u0443\u0440\u0441\u044b \u0434\u043b\u044f middle\/senior<\/a>            <\/div>\r\n        <\/div>\r\n    <\/div>\r\n\n\n\n<h2 class=\"wp-block-heading\">\u0420\u043e\u043b\u044c \u043c\u0435\u0442\u043e\u0434\u0430 hashCode() \u0442\u0430 equals()<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0435\u0440\u0435\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043c\u0435\u0442\u043e\u0434\u043e\u0432 hashCode() \u0438 equals() \u0438 \u043f\u043e\u043d\u0438\u043c\u0430\u043d\u0438\u0435 \u043a\u043e\u043d\u0442\u0440\u0430\u043a\u0442\u0430 \u043c\u0435\u0436\u0434\u0443 \u043d\u0438\u043c\u0438 \u044f\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u0432\u0430\u0436\u043d\u044b\u043c\u0438 \u0434\u043b\u044f \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u043e\u0439 \u0440\u0430\u0431\u043e\u0442\u044b \u0441 HashMap \u0438 \u0434\u0440\u0443\u0433\u0438\u0445 \u0445\u0435\u0448\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440 \u0434\u0430\u043d\u043d\u044b\u0445.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0420\u043e\u043b\u044c hashCode()<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u041c\u0435\u0442\u043e\u0434 hashCode() \u043e\u0442\u0432\u0435\u0447\u0430\u0435\u0442 \u0437\u0430 \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u0435 \u0445\u0435\u0448-\u043a\u043e\u0434\u0430 \u043e\u0431\u044a\u0435\u043a\u0442\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u0435\u0433\u043e \u043c\u0435\u0441\u0442\u0430 \u0432 \u043c\u0430\u0441\u0441\u0438\u0432\u0435 \u0431\u0430\u043a\u0435\u0442\u043e\u0432. \u042d\u0442\u043e\u0442 \u0445\u0435\u0448-\u043a\u043e\u0434 \u0437\u0430\u0442\u0435\u043c \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0432 \u0438\u043d\u0434\u0435\u043a\u0441 \u043c\u0430\u0441\u0441\u0438\u0432\u0430, \u0433\u0434\u0435 \u0431\u0443\u0434\u0435\u0442 \u0445\u0440\u0430\u043d\u0438\u0442\u044c\u0441\u044f \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0430\u044f \u043f\u0430\u0440\u0430 &#171;\u043a\u043b\u044e\u0447-\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435&#187;. \u0412 \u0438\u0434\u0435\u0430\u043b\u044c\u043d\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435, \u0445\u043e\u0440\u043e\u0448\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u043c\u0435\u0442\u043e\u0434 hashCode() \u0440\u0430\u0432\u043d\u043e\u043c\u0435\u0440\u043d\u043e \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u0442 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b \u043f\u043e \u0432\u0441\u0435\u043c\u0443 \u043c\u0430\u0441\u0441\u0438\u0432\u0443, \u0443\u043c\u0435\u043d\u044c\u0448\u0430\u044f \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u043a\u043e\u043b\u043b\u0438\u0437\u0438\u0439 \u0438 \u043f\u043e\u0432\u044b\u0448\u0430\u044f \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u044c \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438 \u043f\u043e\u0438\u0441\u043a\u0430.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0420\u043e\u043b\u044c equals()<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u041c\u0435\u0442\u043e\u0434 equals() \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u043a\u043b\u044e\u0447\u0435\u0439 \u043f\u0440\u0438 \u043f\u043e\u0438\u0441\u043a\u0435 \u0438\u043b\u0438 \u0437\u0430\u043c\u0435\u043d\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0432 HashMap. \u0415\u0441\u043b\u0438 \u0434\u0432\u0430 \u043a\u043b\u044e\u0447\u0430 \u0438\u043c\u0435\u044e\u0442 \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u044b\u0439 \u0445\u044d\u0448-\u043a\u043e\u0434 (\u0442\u043e \u0435\u0441\u0442\u044c \u043f\u043e\u043f\u0430\u0434\u0430\u044e\u0442 \u0432 \u043e\u0434\u0438\u043d \u0438 \u0442\u043e\u0442 \u0436\u0435 \u0431\u0430\u043a\u0435\u0442), equals() \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u0442, \u044f\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u043b\u0438 \u044d\u0442\u0438 \u043a\u043b\u044e\u0447\u0438 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u044b\u043c\u0438, \u0438 \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u043b\u0438 \u0437\u0430\u043c\u0435\u043d\u0438\u0442\u044c \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0438\u043b\u0438 \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u043d\u043e\u0432\u044b\u0439 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u0432 \u0446\u0435\u043f\u043e\u0447\u043a\u0443.<\/p>\n\n\n    <div class=\"adv_youtube\">\r\n        <div class=\"adv_youtube_block g-bg-white d-flex align-items-center justify-content-center\">\r\n            <img decoding=\"async\" src=\"https:\/\/esvt4mphmap.exactdn.com\/wp-content\/themes\/foxminded\/icon\/general\/adv_logo.png?strip=all&quality=92&webp=92&avif=90&sharp=1&w=640\">\r\n            <div class=\"bubble_text\">\r\n                <span>\u041f\u043e\u0434\u043f\u0438\u0448\u0438\u0442\u0435\u0441\u044c \u043d\u0430 \u043d\u0430\u0448 \u042e\u0442\u0443\u0431-\u043a\u0430\u043d\u0430\u043b!<\/span> \u041f\u043e\u043b\u0435\u0437\u043d\u044b\u0435 \u0432\u0438\u0434\u0435\u043e \u0434\u043b\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0441\u0442\u043e\u0432 \u0443\u0436\u0435 \u0436\u0434\u0443\u0442 \u0432\u0430\u0441!                <a class=\"btn btn-primary btn-primary-icon\" href=\"https:\/\/www.youtube.com\/c\/SergeyNemchinskiy\">\r\n                    <img decoding=\"async\" src=\"https:\/\/esvt4mphmap.exactdn.com\/wp-content\/themes\/foxminded\/icon\/general\/youtube_btn_icon.svg\">\r\n                    YouTube   \r\n                <\/a>\r\n            <\/div>\r\n        <\/div>\r\n        <div class=\"adv_mentoring_block g-bg-white d-flex align-items-center justify-content-center\">\r\n            <img decoding=\"async\" src=\"https:\/\/esvt4mphmap.exactdn.com\/wp-content\/themes\/foxminded\/icon\/general\/adv_logo.png?strip=all&quality=92&webp=92&avif=90&sharp=1&w=640\">\r\n            <div class=\"bubble_text\">\r\n                <span>\u0412\u044b\u0431\u0435\u0440\u0438\u0442\u0435 \u0441\u0432\u043e\u0439 \u043a\u0443\u0440\u0441!<\/span> \u041f\u0443\u0442\u044c \u043a \u043a\u0430\u0440\u044c\u0435\u0440\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0441\u0442\u0430 \u043d\u0430\u0447\u0438\u043d\u0430\u0435\u0442\u0441\u044f \u0437\u0434\u0435\u0441\u044c!                <a class=\"btn btn-primary\" href=\"https:\/\/foxminded.ua\/ru\/junior-course\/\">\r\n                    \u041f\u043e\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c                    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\">\r\n                    <path d=\"M11.6927 5.8584L11.6927 9.19173L4.25937 9.19173L4.23437 10.8667L11.6927 10.8667L11.6927 14.1917L15.8594 10.0251L11.6927 5.8584Z\" fill=\"white\"\/>\r\n                    <\/svg>\r\n                <\/a>\r\n            <\/div>\r\n        <\/div>\r\n    <\/div>\r\n\n\n\n<h2 class=\"wp-block-heading\">\u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0432 HashMap<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">HashMap \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043a\u043b\u044e\u0447\u0435\u0432\u044b\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0441 \u0434\u0430\u043d\u043d\u044b\u043c\u0438, \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u044b\u043c\u0438 \u0432 \u0432\u0438\u0434\u0435 \u043f\u0430\u0440 &#171;\u043a\u043b\u044e\u0447-\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435&#187;. \u0420\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0438 \u0438\u0445 \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u0438:<\/p>\n\n\n\n<ol style=\"background-color:#d5e5f0\" class=\"wp-block-list has-black-color has-text-color has-background has-link-color wp-elements-354bc642aca3b4edd376a9f2b2e02ff6\">\n<li>\u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432: \u043c\u0435\u0442\u043e\u0434 put(K key, V value):<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u042d\u0442\u043e\u0442 \u043c\u0435\u0442\u043e\u0434 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043d\u043e\u0432\u043e\u0439 \u043f\u0430\u0440\u044b &#171;\u043a\u043b\u044e\u0447-\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435&#187; \u0432 HashMap \u0438\u043b\u0438 \u0434\u043b\u044f \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u0433\u043e \u043a\u043b\u044e\u0447\u0430. \u0415\u0441\u043b\u0438 \u043a\u043b\u044e\u0447 \u0443\u0436\u0435 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442 \u0432 \u043a\u0430\u0440\u0442\u0435, \u0441\u0442\u0430\u0440\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0437\u0430\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u043d\u043e\u0432\u044b\u043c. \u0412 \u0441\u043b\u0443\u0447\u0430\u0435 \u043a\u043e\u043b\u043b\u0438\u0437\u0438\u0438, \u043a\u043e\u0433\u0434\u0430 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043a\u043b\u044e\u0447\u0435\u0439 \u0438\u043c\u0435\u044e\u0442 \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u044b\u0439 \u0445\u0435\u0448-\u043a\u043e\u0434 \u0438, \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0435\u043d\u043d\u043e, \u043f\u043e\u043f\u0430\u0434\u0430\u044e\u0442 \u0432 \u043e\u0434\u0438\u043d \u0431\u0430\u043a\u0435\u0442, \u043d\u043e\u0432\u044b\u0439 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432 \u0446\u0435\u043f\u043e\u0447\u043a\u0443 \u0432\u043d\u0443\u0442\u0440\u0438 \u044d\u0442\u043e\u0433\u043e \u0431\u0430\u043a\u0435\u0442\u0430.<\/p>\n\n\n\n<ol start=\"2\" style=\"background-color:#d5e5f0\" class=\"wp-block-list has-black-color has-text-color has-background has-link-color wp-elements-5ea5de6c3cd2bbafe15df352dfac1aa9\">\n<li>\u041f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439: \u043c\u0435\u0442\u043e\u0434 get(Object key):<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u042d\u0442\u043e\u0442 \u043c\u0435\u0442\u043e\u0434 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043f\u043e \u043a\u043b\u044e\u0447\u0443. \u0415\u0441\u043b\u0438 \u043a\u043b\u044e\u0447 \u043f\u0440\u0438\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u0435\u0442 \u0432 \u043a\u0430\u0440\u0442\u0435, \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442\u0441\u044f \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435. \u0415\u0441\u043b\u0438 \u0436\u0435 \u043a\u043b\u044e\u0447\u0430 \u043d\u0435\u0442 \u0432 \u043a\u0430\u0440\u0442\u0435, \u043c\u0435\u0442\u043e\u0434 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 null. \u0412\u0430\u0436\u043d\u043e \u043e\u0442\u043c\u0435\u0442\u0438\u0442\u044c, \u0447\u0442\u043e \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0435\u043d\u0438\u0435 null \u043c\u043e\u0436\u0435\u0442 \u043e\u0437\u043d\u0430\u0447\u0430\u0442\u044c \u043a\u0430\u043a \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435 \u043a\u043b\u044e\u0447\u0430, \u0442\u0430\u043a \u0438 \u0442\u043e, \u0447\u0442\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435, \u0430\u0441\u0441\u043e\u0446\u0438\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0435 \u0441 \u044d\u0442\u0438\u043c \u043a\u043b\u044e\u0447\u043e\u043c, \u0440\u0430\u0432\u043d\u043e null.<\/p>\n\n\n\n<ol start=\"3\" style=\"background-color:#d5e5f0\" class=\"wp-block-list has-black-color has-text-color has-background has-link-color wp-elements-81c826b1faf694725e357a4535c34b6a\">\n<li>\u0423\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432: \u043c\u0435\u0442\u043e\u0434 remove(Object key):<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u042d\u0442\u043e\u0442 \u043c\u0435\u0442\u043e\u0434 \u0443\u0434\u0430\u043b\u044f\u0435\u0442 \u0438\u0437 HashMap \u043f\u0430\u0440\u0443 &#171;\u043a\u043b\u044e\u0447-\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435&#187; \u043f\u043e \u0437\u0430\u0434\u0430\u043d\u043d\u043e\u043c\u0443 \u043a\u043b\u044e\u0447\u0443. \u0415\u0441\u043b\u0438 \u043a\u043b\u044e\u0447 \u043f\u0440\u0438\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u0435\u0442, \u043e\u043d \u0443\u0434\u0430\u043b\u044f\u0435\u0442\u0441\u044f \u0432\u043c\u0435\u0441\u0442\u0435 \u0441 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u043c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c, \u0438 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430 \u043a\u0430\u0440\u0442\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0435\u043d\u043d\u043e. \u0415\u0441\u043b\u0438 \u0436\u0435 \u043a\u043b\u044e\u0447\u0430 \u043d\u0435\u0442, \u043c\u0435\u0442\u043e\u0434 \u043d\u0438\u0447\u0435\u0433\u043e \u043d\u0435 \u043c\u0435\u043d\u044f\u0435\u0442 \u0432 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0435.<\/p>\n\n\n\n<ol start=\"4\" style=\"background-color:#d5e5f0\" class=\"wp-block-list has-black-color has-text-color has-background has-link-color wp-elements-8a23f960b82398aea4649677ff55fb0e\">\n<li>\u041f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u043d\u0430\u043b\u0438\u0447\u0438\u044f \u043a\u043b\u044e\u0447\u0430: \u043c\u0435\u0442\u043e\u0434 containsKey(Object key):<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u042d\u0442\u043e\u0442 \u043c\u0435\u0442\u043e\u0434 \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u0435\u0442, \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u0442 \u043b\u0438 HashMap \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u044b\u0439 \u043a\u043b\u044e\u0447. \u0412\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 true, \u0435\u0441\u043b\u0438 \u043a\u043b\u044e\u0447 \u0435\u0441\u0442\u044c \u0432 \u043a\u0430\u0440\u0442\u0435, \u0438 false, \u0435\u0441\u043b\u0438 \u043a\u043b\u044e\u0447 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u0435\u0442.<\/p>\n\n\n\n<ol start=\"5\" style=\"background-color:#d5e5f0\" class=\"wp-block-list has-black-color has-text-color has-background has-link-color wp-elements-fde39ad0e65f70cec1f2e26121fe8518\">\n<li>\u041f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u043d\u0430\u043b\u0438\u0447\u0438\u044f \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f: \u043c\u0435\u0442\u043e\u0434 containsValue(Object value):<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u042d\u0442\u043e\u0442 \u043c\u0435\u0442\u043e\u0434 \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u0435\u0442, \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u0442 \u043b\u0438 HashMap \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435.<\/p>\n\n\n\n<ol start=\"6\" style=\"background-color:#d5e5f0\" class=\"wp-block-list has-black-color has-text-color has-background has-link-color wp-elements-30d0fe9e5224c352365f27846793ef4d\">\n<li>\u041f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u0435 \u0440\u0430\u0437\u043c\u0435\u0440\u0430: \u043c\u0435\u0442\u043e\u0434 size():<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u042d\u0442\u043e\u0442 \u043c\u0435\u0442\u043e\u0434 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u043f\u0430\u0440 &#171;\u043a\u043b\u044e\u0447-\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435&#187;, \u0445\u0440\u0430\u043d\u044f\u0449\u0438\u0445\u0441\u044f \u0432 HashMap.<\/p>\n\n\n\n<ol start=\"7\" style=\"background-color:#d5e5f0\" class=\"wp-block-list has-black-color has-text-color has-background has-link-color wp-elements-20ac118252ee9930d89ec9e12e67a0f8\">\n<li>\u041f\u0435\u0440\u0435\u0431\u043e\u0440 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439:<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">HashMap \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0441\u043f\u043e\u0441\u043e\u0431\u043e\u0432 \u043f\u0435\u0440\u0435\u0431\u043e\u0440\u0430 \u043f\u0430\u0440 &#171;\u043a\u043b\u044e\u0447-\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435&#187;. \u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043d\u044b\u0435 \u0441\u043f\u043e\u0441\u043e\u0431\u044b \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0442 \u0432 \u0441\u0435\u0431\u044f:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u041f\u0435\u0440\u0435\u0431\u043e\u0440 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e entrySet(): \u0412\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0446\u0438\u043a\u043b for-each \u0434\u043b\u044f \u043f\u0435\u0440\u0435\u0431\u043e\u0440\u0430 \u0432\u0441\u0435\u0445 \u043f\u0430\u0440 &#171;\u043a\u043b\u044e\u0447-\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435&#187; \u0432 HashMap:<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span role=\"button\" tabindex=\"0\" data-code=\"for (Map.Entry&lt;K, V&gt; entry : map.entrySet()) {\n\n\u00a0\u00a0\u00a0K key = entry.getKey();\n\n\u00a0\u00a0\u00a0V value = entry.getValue();\n\n\u00a0\u00a0\u00a0\/\/ \u0412\u044b\u043f\u043e\u043b\u043d\u044f\u0439\u0442\u0435 \u043d\u0443\u0436\u043d\u044b\u0435 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u0441 \u043a\u043b\u044e\u0447\u043e\u043c \u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c\n\n}\" style=\"color:#babed8;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki material-theme-palenight\" style=\"background-color: #292D3E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #89DDFF; font-style: italic\">for<\/span><span style=\"color: #BABED8\"> (Map<\/span><span style=\"color: #89DDFF\">.<\/span><span style=\"color: #BABED8\">Entry<\/span><span style=\"color: #89DDFF\">&lt;<\/span><span style=\"color: #BABED8\">K<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #BABED8\"> V<\/span><span style=\"color: #89DDFF\">&gt;<\/span><span style=\"color: #BABED8\"> entry : map<\/span><span style=\"color: #89DDFF\">.<\/span><span style=\"color: #82AAFF\">entrySet<\/span><span style=\"color: #BABED8\">()) <\/span><span style=\"color: #89DDFF\">{<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0<\/span><span style=\"color: #BABED8\">K<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #BABED8\">key<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #89DDFF\">=<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #BABED8\">entry<\/span><span style=\"color: #89DDFF\">.<\/span><span style=\"color: #82AAFF\">getKey<\/span><span style=\"color: #F07178\">()<\/span><span style=\"color: #89DDFF\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0<\/span><span style=\"color: #BABED8\">V<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #BABED8\">value<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #89DDFF\">=<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #BABED8\">entry<\/span><span style=\"color: #89DDFF\">.<\/span><span style=\"color: #82AAFF\">getValue<\/span><span style=\"color: #F07178\">()<\/span><span style=\"color: #89DDFF\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0<\/span><span style=\"color: #676E95; font-style: italic\">\/\/ \u0412\u044b\u043f\u043e\u043b\u043d\u044f\u0439\u0442\u0435 \u043d\u0443\u0436\u043d\u044b\u0435 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u0441 \u043a\u043b\u044e\u0447\u043e\u043c \u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #89DDFF\">}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u041f\u0435\u0440\u0435\u0431\u043e\u0440 \u043a\u043b\u044e\u0447\u0435\u0439 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e keySet(): \u041c\u043e\u0436\u043d\u043e \u043f\u0435\u0440\u0435\u0431\u0438\u0440\u0430\u0442\u044c \u0442\u043e\u043b\u044c\u043a\u043e \u043a\u043b\u044e\u0447\u0438<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span role=\"button\" tabindex=\"0\" data-code=\"for (K key : map.keySet()) {\n\n\u00a0\u00a0\u00a0V value = map.get(key);\n\n\u00a0\u00a0\u00a0\/\/ \u0412\u044b\u043f\u043e\u043b\u043d\u044f\u0439\u0442\u0435 \u043d\u0443\u0436\u043d\u044b\u0435 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u0441 \u043a\u043b\u044e\u0447\u043e\u043c \u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c\n\n}\" style=\"color:#babed8;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki material-theme-palenight\" style=\"background-color: #292D3E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #89DDFF; font-style: italic\">for<\/span><span style=\"color: #BABED8\"> (K key : map<\/span><span style=\"color: #89DDFF\">.<\/span><span style=\"color: #82AAFF\">keySet<\/span><span style=\"color: #BABED8\">()) <\/span><span style=\"color: #89DDFF\">{<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0<\/span><span style=\"color: #BABED8\">V<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #BABED8\">value<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #89DDFF\">=<\/span><span style=\"color: #F07178\"> <\/span><span style=\"color: #BABED8\">map<\/span><span style=\"color: #89DDFF\">.<\/span><span style=\"color: #82AAFF\">get<\/span><span style=\"color: #F07178\">(<\/span><span style=\"color: #BABED8\">key<\/span><span style=\"color: #F07178\">)<\/span><span style=\"color: #89DDFF\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0<\/span><span style=\"color: #676E95; font-style: italic\">\/\/ \u0412\u044b\u043f\u043e\u043b\u043d\u044f\u0439\u0442\u0435 \u043d\u0443\u0436\u043d\u044b\u0435 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u0441 \u043a\u043b\u044e\u0447\u043e\u043c \u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #89DDFF\">}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u041f\u0435\u0440\u0435\u0431\u043e\u0440 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e values(): \u041c\u043e\u0436\u043d\u043e \u043f\u0435\u0440\u0435\u0431\u0438\u0440\u0430\u0442\u044c \u0442\u043e\u043b\u044c\u043a\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span role=\"button\" tabindex=\"0\" data-code=\"for (V value : map.values()) {\n\n\u00a0\u00a0\u00a0\/\/ \u0412\u044b\u043f\u043e\u043b\u043d\u044f\u0439\u0442\u0435 \u043d\u0443\u0436\u043d\u044b\u0435 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u0441\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c\n\n}\" style=\"color:#babed8;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki material-theme-palenight\" style=\"background-color: #292D3E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #89DDFF; font-style: italic\">for<\/span><span style=\"color: #BABED8\"> (V value : map<\/span><span style=\"color: #89DDFF\">.<\/span><span style=\"color: #82AAFF\">values<\/span><span style=\"color: #BABED8\">()) <\/span><span style=\"color: #89DDFF\">{<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">\u00a0\u00a0\u00a0<\/span><span style=\"color: #676E95; font-style: italic\">\/\/ \u0412\u044b\u043f\u043e\u043b\u043d\u044f\u0439\u0442\u0435 \u043d\u0443\u0436\u043d\u044b\u0435 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u0441\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #89DDFF\">}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u043e\u0440\u044f\u0434\u043e\u043a \u043f\u0435\u0440\u0435\u0431\u043e\u0440\u0430 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0432 HashMap \u043d\u0435 \u0433\u0430\u0440\u0430\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d \u0438 \u043c\u043e\u0436\u0435\u0442 \u043c\u0435\u043d\u044f\u0442\u044c\u0441\u044f. \u042d\u0442\u043e \u0441\u0432\u044f\u0437\u0430\u043d\u043e \u0441 \u0442\u0435\u043c, \u0447\u0442\u043e HashMap \u043d\u0435 \u0445\u0440\u0430\u043d\u0438\u0442 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b \u0432 \u043a\u0430\u043a\u043e\u043c-\u0442\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u043c \u043f\u043e\u0440\u044f\u0434\u043a\u0435 (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043f\u043e \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438\u043b\u0438 \u043f\u043e \u043f\u043e\u0440\u044f\u0434\u043a\u0443 \u043a\u043b\u044e\u0447\u0435\u0439). \u0415\u0441\u043b\u0438 \u0432\u0430\u043c \u0432\u0430\u0436\u0435\u043d \u043f\u043e\u0440\u044f\u0434\u043e\u043a, \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u0442\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0434\u0440\u0443\u0433\u0438\u0445 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u0439, \u0442\u0430\u043a\u0438\u0445 \u043a\u0430\u043a LinkedHashMap.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0417\u0430\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">HashMap \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043e\u0434\u043d\u043e\u0439 \u0438\u0437 \u0441\u0430\u043c\u044b\u0445 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u044b\u0445 \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043d\u044b\u0445 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440 \u0434\u0430\u043d\u043d\u044b\u0445 \u0434\u043b\u044f \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0438 \u0431\u044b\u0441\u0442\u0440\u043e\u0433\u043e \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u043f\u0430\u0440\u0430\u043c &#171;\u043a\u043b\u044e\u0447-\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435&#187;. \u0411\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u0441\u0432\u043e\u0435\u0439 \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0435\u0439 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0435, \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u043d\u0430 \u043c\u0430\u0441\u0441\u0438\u0432\u0435 \u0431\u0430\u043a\u0435\u0442\u043e\u0432 \u0438 \u0445\u0435\u0448\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438, HashMap \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u0441\u0440\u0435\u0434\u043d\u044e\u044e \u0441\u043b\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 O(1) \u0434\u043b\u044f \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u044f, \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f \u0438 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u044f \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432, \u0447\u0442\u043e \u0434\u0435\u043b\u0430\u0435\u0442 \u0435\u0435 \u043d\u0435\u0437\u0430\u043c\u0435\u043d\u0438\u043c\u043e\u0439 \u0432\u043e \u043c\u043d\u043e\u0433\u0438\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u0445.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 Java \u0438 \u043a\u0430\u043a \u0435\u0435 \u0432\u044b\u0443\u0447\u0438\u0442\u044c?\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/uLESJ4atN-U?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>HashMap Java &#8212; \u044d\u0442\u043e \u043e\u0434\u043d\u0430 \u0438\u0437 \u0441\u0430\u043c\u044b\u0445 \u043f\u043e\u043f\u0443\u043b\u044f\u0440\u043d\u044b\u0445 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440 \u0434\u0430\u043d\u043d\u044b\u0445, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0445\u0440\u0430\u043d\u0438\u0442\u044c \u043f\u0430\u0440\u044b &#171;\u043a\u043b\u044e\u0447-\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435&#187; \u0438 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u0431\u044b\u0441\u0442\u0440\u044b\u0439 \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f\u043c \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043a\u043b\u044e\u0447\u0435\u0439. \u0412\u043a\u0440\u0430\u0442\u0446\u0435 \u043d\u0430\u043f\u043e\u043c\u043d\u044e \u043f\u0440\u043e \u043a\u0443\u0440\u0441\u044b Java start \u043a\u0430\u043a \u0441\u0442\u0430\u0440\u0442\u043e\u0432\u044b\u0439 \u043a\u0443\u0440\u0441 \u0434\u043b\u044f \u043d\u0430\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0431\u0430\u0437\u043e\u0432\u044b\u0445 \u0437\u043d\u0430\u043d\u0438\u0439 \u0438 JAVA &#8212; \u0434\u043b\u044f \u0432\u044b\u0445\u043e\u0434\u0430 \u043d\u0430 \u0443\u0440\u043e\u0432\u0435\u043d\u044c Junior. \u041f\u0440\u0438\u0441\u043e\u0435\u0434\u0438\u043d\u044f\u0439\u0442\u0435\u0441\u044c, \u0434\u0440\u0443\u0437\u044c\u044f. \u0410 \u043f\u043e\u043a\u0430 &#8212; \u0434\u0432\u0438\u0433\u0430\u0435\u043c\u0441\u044f \u0434\u0430\u043b\u044c\u0448\u0435: \u0412\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u044f\u044f \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430 HashMap [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[6],"tags":[],"class_list":["post-65454","post","type-post","status-publish","format-standard","hentry","category-learning-ua"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u041a\u0430\u043a \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 HashMap \u0432 Java: \u043e\u0441\u043d\u043e\u0432\u044b \u0438 \u043f\u0440\u0438\u043d\u0446\u0438\u043f\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f<\/title>\n<meta name=\"description\" content=\"\u0423\u0437\u043d\u0430\u0439\u0442\u0435, \u043a\u0430\u043a \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 HashMap \u0432 Java, \u0435\u0433\u043e \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u0438 \u0438 \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043c\u0435\u0442\u043e\u0434\u044b. \u041a\u0440\u0430\u0442\u043a\u0438\u0439 \u043e\u0431\u0437\u043e\u0440 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0438 \u0441\u043e\u0432\u0435\u0442\u044b \u043f\u043e \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u0434\u0430\u043d\u043d\u044b\u043c\u0438.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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\u0441\u043e\u0432\u0435\u0442\u044b \u043f\u043e \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u0434\u0430\u043d\u043d\u044b\u043c\u0438.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/foxminded.ua\/ru\/kak-rabotaet-hashmap-v-java\/\" \/>\n<meta property=\"og:site_name\" content=\"FoxmindEd\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/foxmindedco\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-09-27T08:26:31+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-09-27T08:26:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXfPBYP1S0c5_ssLVMwYenme6Hbq8GiDgPmh97E-A6m5Tv2aql0-iWHIniTCd7RsDxFbsz18EjrUv5Jd8eBZQ-rUb6z5sSCUNfyJaq2vUaEpJssZePHe7Pw8lKZTEFmnRe8-UjeOVHFY3jG-tTSBFVqsyYSt?key=lsAiKcbj946aijd9hwoVHg\" \/>\n<meta name=\"author\" content=\"Nemchyns\u02b9kyy Serhiy\" \/>\n<meta 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