{"id":48228,"date":"2024-02-28T22:04:45","date_gmt":"2024-02-28T19:04:45","guid":{"rendered":"https:\/\/foxminded.ua\/?p=48228"},"modified":"2024-03-03T22:16:05","modified_gmt":"2024-03-03T19:16:05","slug":"arraylist-java","status":"publish","type":"post","link":"https:\/\/foxminded.ua\/ru\/arraylist-java\/","title":{"rendered":"\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 ArrayList \u0432 Java?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Java \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u043e \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440 \u0434\u0430\u043d\u043d\u044b\u0445 \u0434\u043b\u044f \u0443\u0434\u043e\u0431\u043d\u043e\u0439 \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u044f\u043c\u0438 \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432. \u041e\u0434\u043d\u043e\u0439 \u0438\u0437 \u0441\u0430\u043c\u044b\u0445 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043d\u044b\u0445 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f ArrayList. \u0412 \u044d\u0442\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u043c\u044b \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043e\u0441\u043d\u043e\u0432\u044b ArrayList Java, \u0435\u0433\u043e \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435, \u043c\u0435\u0442\u043e\u0434\u044b \u0440\u0430\u0431\u043e\u0442\u044b, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0432 \u0430\u0441\u0441\u043e\u0446\u0438\u0430\u0442\u0438\u0432\u043d\u044b\u0445 \u043c\u0430\u0441\u0441\u0438\u0432\u0430\u0445.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ArrayList \u0432 Java \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u043c\u0430\u0441\u0441\u0438\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0440\u0430\u0441\u0448\u0438\u0440\u044f\u0435\u0442\u0441\u044f \u043f\u043e \u043c\u0435\u0440\u0435 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u0438. \u041e\u043d \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0447\u0430\u0441\u0442\u044c\u044e \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u0439 Java \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0438 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0441\u043f\u0438\u0441\u043a\u043e\u043c \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432. \u0412 \u043e\u0442\u043b\u0438\u0447\u0438\u0435 \u043e\u0442 \u043e\u0431\u044b\u0447\u043d\u043e\u0433\u043e \u043c\u0430\u0441\u0441\u0438\u0432\u0430, \u0435\u0433\u043e \u0440\u0430\u0437\u043c\u0435\u0440 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u0443\u0432\u0435\u043b\u0438\u0447\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043f\u0440\u0438 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0438 \u043d\u043e\u0432\u044b\u0445 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432, \u0447\u0442\u043e \u0434\u0435\u043b\u0430\u0435\u0442 \u0435\u0433\u043e \u0431\u043e\u043b\u0435\u0435 \u0443\u0434\u043e\u0431\u043d\u044b\u043c \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u0438\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u043c\u0438.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ArrayList \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043e\u0434\u043d\u043e\u0439 \u0438\u0437 \u043d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u0447\u0430\u0441\u0442\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u044b\u0445 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 Java \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u0441\u0432\u043e\u0435\u0439 \u0433\u0438\u0431\u043a\u043e\u0441\u0442\u0438, \u0443\u0434\u043e\u0431\u0441\u0442\u0432\u0443 \u0438 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u0438 \u043f\u0440\u0438 \u0440\u0430\u0431\u043e\u0442\u0435 \u0441 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u0438\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u043c\u0438.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0421\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u0438 \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f&nbsp;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ArrayList \u0432 Java \u0441\u043e\u0437\u0434\u0430\u0435\u0442\u0441\u044f \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0442\u043e\u0440\u043e\u0432 \u0438 \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438.<\/p>\n\n\n    <div class=\"adv_block\">\r\n        <div class=\"top_text\">\u041a\u0443\u0440\u0441 &#171;Java Start&#187; \u043e\u0442 \u0421\u0435\u0440\u0433\u0435\u044f \u041d\u0435\u043c\u0447\u0438\u043d\u0441\u043a\u043e\u0433\u043e \u0441\u0434\u0435\u043b\u0430\u0435\u0442 \u0432\u0430\u0448 \u0441\u0442\u0430\u0440\u0442 \u0432 Java \u043f\u043e\u043d\u044f\u0442\u043d\u044b\u043c \u0438 \u0431\u044b\u0441\u0442\u0440\u044b\u043c! <br>\r\n\ud83d\udcc6 \u0414\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043a\u0443\u0440\u0441\u0430:\r\n\u0421\u0440\u0435\u0434\u043d\u0435\u0435 \u0432\u0440\u0435\u043c\u044f \u043f\u0440\u043e\u0445\u043e\u0436\u0434\u0435\u043d\u0438\u044f \u2014 2-4 \u043d\u0435\u0434\u0435\u043b\u0438. <br>\r\n\r\n\ud83d\udcb5 \u0421\u0442\u043e\u0438\u043c\u043e\u0441\u0442\u044c:\r\n2 450 \u0433\u0440\u043d | 80 USD<\/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<ol class=\"wp-block-list\">\n<li><strong>\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0442\u043e\u0440\u043e\u0432<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u041f\u0443\u0441\u0442\u043e\u0439 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0442\u043e\u0440 \u0441\u043e\u0437\u0434\u0430\u0435\u0442 \u043f\u0443\u0441\u0442\u043e\u0439 \u0441\u043f\u0438\u0441\u043e\u043a: ArrayList&lt;String&gt; list1 = new ArrayList&lt;&gt;();<\/li>\n\n\n\n<li>\u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0442\u043e\u0440 \u0441 \u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e\u0439 \u0435\u043c\u043a\u043e\u0441\u0442\u044c\u044e \u0441\u043e\u0437\u0434\u0430\u0435\u0442 \u0441\u043f\u0438\u0441\u043e\u043a \u0441 \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u0439 \u0435\u043c\u043a\u043e\u0441\u0442\u044c\u044e: ArrayList&lt;Integer&gt; list2 = new ArrayList&lt;&gt;(10);<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li><strong>\u041c\u0435\u0442\u043e\u0434\u044b \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043c\u0435\u0442\u043e\u0434\u0430 add(): list3.add(&#171;Java&#187;);<\/li>\n\n\n\n<li>\u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 Arrays.asList() \u0434\u043b\u044f \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0438\u0437 \u043c\u0430\u0441\u0441\u0438\u0432\u0430: ArrayList&lt;Integer&gt; list4 = new ArrayList&lt;&gt;(Arrays.asList(1, 2, 3, 4, 5));<\/li>\n\n\n\n<li>\u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0438\u0437 \u0434\u0440\u0443\u0433\u043e\u0439 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u0438: ArrayList&lt;Character&gt; list5 = new ArrayList&lt;&gt;(Arrays.asList(&#8216;a&#8217;, &#8216;b&#8217;, &#8216;c&#8217;));<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u041f\u0440\u0438\u0432\u0435\u0434\u0435\u043c \u0435\u0449\u0435 \u043f\u0440\u0438\u043c\u0435\u0440\u044b:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0418\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043c\u0435\u0442\u043e\u0434\u0430 add()<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-9684bc4aa8887d57e0ae8884a8c4a5f8\" style=\"background-color:#abb7c2d4\"><code>ArrayList&lt;String&gt; list3 = new ArrayList&lt;&gt;();\n\nlist3.add(\"Java\");\n\nlist3.add(\"Python\");\n\nlist3.add(\"JavaScript\");<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0418\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c Arrays.asList()<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-a8f732830ab32a7ba1512f2ecdc20a02\" style=\"background-color:#abb7c2d4\"><code>ArrayList&lt;Integer&gt; list4 = new ArrayList&lt;&gt;(Arrays.asList(1, 2, 3, 4, 5));<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0418\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u0438<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-88d12ead8095cddddb79ab3eed30b32f\" style=\"background-color:#abb7c2d4\"><code>ArrayList&lt;Character&gt; list5 = new ArrayList&lt;&gt;(Arrays.asList('a', 'b', 'c'));<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043c\u0435\u0442\u043e\u0434\u044b \u0440\u0430\u0431\u043e\u0442\u044b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ArrayList \u0432 Java \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u043e \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u043c\u0438 \u0441\u043f\u0438\u0441\u043a\u0430, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435, \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435, \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0438 \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u043c:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>add(E element): \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u0442 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u0432 \u043a\u043e\u043d\u0435\u0446 \u0441\u043f\u0438\u0441\u043a\u0430.<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-be4d6787bb9c55d19b526528773dea1c\" style=\"background-color:#abb7c2d4\"><code>ArrayList&lt;String&gt; list = new ArrayList&lt;&gt;();\n\nlist.add(\"Java\");\n\nlist.add(\"Python\");<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>add(int index, E element): \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u0442 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u0432 \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u0443\u044e \u043f\u043e\u0437\u0438\u0446\u0438\u044e \u0432 \u0441\u043f\u0438\u0441\u043a\u0435.<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-0ad6d588b1fbd19c66941423e86fdb2b\" style=\"background-color:#abb7c2d4\"><code>list.add(1, \"JavaScript\");<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li><strong>\u0423\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>remove(Object o): \u0443\u0434\u0430\u043b\u044f\u0435\u0442 \u043f\u0435\u0440\u0432\u043e\u0435 \u0432\u0445\u043e\u0436\u0434\u0435\u043d\u0438\u0435 \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u0433\u043e \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430 \u0438\u0437 \u0441\u043f\u0438\u0441\u043a\u0430.<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-d1e1901d24e7ab9fe86ec6eae1c2a6fd\" style=\"background-color:#abb7c2d4\"><code>list.remove(\"Python\");<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>remove(int index): \u0443\u0434\u0430\u043b\u044f\u0435\u0442 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u043f\u043e \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u043c\u0443 \u0438\u043d\u0434\u0435\u043a\u0441\u0443.<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-983b025ef4652e94b451d1ba49ba5c25\" style=\"background-color:#abb7c2d4\"><code>list.remove(0);<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li><strong>\u0414\u043e\u0441\u0442\u0443\u043f \u043a \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u043c<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">get(int index): \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u043f\u043e \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u043c\u0443 \u0438\u043d\u0434\u0435\u043a\u0441\u0443.<\/p>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-2e0e0583110de51810842096fadf907a\" style=\"background-color:#abb7c2d4\"><code>String element = list.get(0);<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li><strong>\u0418\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>set(int index, E element): \u0437\u0430\u043c\u0435\u043d\u044f\u0435\u0442 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u043f\u043e \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u043c\u0443 \u0438\u043d\u0434\u0435\u043a\u0441\u0443 \u043d\u043e\u0432\u044b\u043c \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u043c.<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-9ef2d3cdf28a8fbab40c1f2576ec5914\" style=\"background-color:#abb7c2d4\"><code>list.set(0, \"C++\");<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>5. \u0420\u0430\u0437\u043c\u0435\u0440 \u0441\u043f\u0438\u0441\u043a\u0430<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>size(): \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0432 \u0441\u043f\u0438\u0441\u043a\u0435.<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-ee1e84f10eef8347ecda961908371be6\" style=\"background-color:#abb7c2d4\"><code>int size = list.size();<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>6. \u041f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u043d\u0430\u043b\u0438\u0447\u0438\u044f \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">isEmpty(): \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 true, \u0435\u0441\u043b\u0438 \u0441\u043f\u0438\u0441\u043e\u043a \u043f\u0443\u0441\u0442\u043e\u0439, \u0438 false \u0432 \u043f\u0440\u043e\u0442\u0438\u0432\u043d\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435.<\/p>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-700769585ea7fd9219e3e2c398708542\" style=\"background-color:#abb7c2d4\"><code>boolean isEmpty = list.isEmpty();<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0422\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c, \u043c\u0435\u0442\u043e\u0434\u044b \u0440\u0430\u0431\u043e\u0442\u044b \u0441 ArrayList \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u0443\u0434\u043e\u0431\u043d\u043e \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0442\u044c \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u043c\u0438 \u0441\u043f\u0438\u0441\u043a\u0430, \u0434\u0435\u043b\u0430\u044f \u0435\u0433\u043e \u043c\u043e\u0449\u043d\u044b\u043c \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u043e\u043c \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u044f\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 Java (\u043f\u043e\u0437\u043d\u0430\u043a\u043e\u043c\u0438\u0442\u044c\u0441\u044f \u0441 \u0434\u0430\u043d\u043d\u043e\u0439 \u0442\u0435\u043c\u043e\u0439 \u0438 \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u0441\u043e\u0437\u0434\u0430\u0442\u044c \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u044e \u0438&nbsp;\u0446\u0438\u043a\u043b \u043e\u0431\u0445\u043e\u0434\u0430 \u043f\u043e \u043c\u0430\u0441\u0441\u0438\u0432\u0443 \u0438 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u0438, \u0441\u0442\u0443\u0434\u0435\u043d\u0442\u044b \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 FoxmindED \u043c\u043e\u0433\u0443\u0442 \u043d\u0430 \u043e\u043d\u043b\u0430\u0439\u043d-\u043a\u0443\u0440\u0441\u0435 Java Start).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0421\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u043a\u0430<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u043a\u0430 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0432 ArrayList \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043e\u0434\u043d\u043e\u0439 \u0438\u0437 \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u043f\u0440\u0438 \u0440\u0430\u0431\u043e\u0442\u0435 \u0441 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u044f\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u0445. \u0412 Java \u0434\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u043c\u043e\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0435 \u0441\u043f\u043e\u0441\u043e\u0431\u044b, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u043c\u0435\u0442\u043e\u0434\u044b Collections.sort() \u0438 ArrayList.sort():<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u041c\u0435\u0442\u043e\u0434 Collections.sort() \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0441\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b \u0441\u043f\u0438\u0441\u043a\u0430 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e (\u043f\u043e \u0432\u043e\u0437\u0440\u0430\u0441\u0442\u0430\u043d\u0438\u044e \u0434\u043b\u044f \u0447\u0438\u0441\u0435\u043b \u0438 \u043b\u0435\u043a\u0441\u0438\u043a\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438 \u0434\u043b\u044f \u0441\u0442\u0440\u043e\u043a) \u0438\u043b\u0438 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u0433\u043e \u043a\u043e\u043c\u043f\u0430\u0440\u0430\u0442\u043e\u0440\u0430.<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-cd8d7d33bf15cf5c8940eb325daa3b9a\" style=\"background-color:#abb7c2d4\"><code>ArrayList&lt;Integer&gt; numbers = new ArrayList&lt;&gt;(Arrays.asList(3, 1, 2));\n\nCollections.sort(numbers); \/\/ Sort Ascending<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u041c\u0435\u0442\u043e\u0434 ArrayList.sort() \u0432 Java 8 \u0438 \u0431\u043e\u043b\u0435\u0435 \u043f\u043e\u0437\u0434\u043d\u0438\u0445 \u0432\u0435\u0440\u0441\u0438\u044f\u0445 \u0442\u0430\u043a\u0436\u0435 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0441\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b \u0441\u043f\u0438\u0441\u043a\u0430 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0438\u043b\u0438 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043a\u043e\u043c\u043f\u0430\u0440\u0430\u0442\u043e\u0440\u0430.<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-59889052aba24efe45dc1b9b7171390f\" style=\"background-color:#abb7c2d4\"><code>ArrayList&lt;String&gt; names = new ArrayList&lt;&gt;(Arrays.asList(\"Alice\", \"Bob\", \"Charlie\"));\n\nnames.sort(Comparator.reverseOrder()); \/\/ Sort in reverse order<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u041a\u043e\u043c\u043f\u0430\u0440\u0430\u0442\u043e\u0440\u044b \u0436\u0435 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0435 \u043f\u0440\u0430\u0432\u0438\u043b\u0430 \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432 \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0438\u0445 \u0434\u043b\u044f \u0441\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u043a\u0438.<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-daafbd7beb8816ebb15af6122b57f165\" style=\"background-color:#abb7c2d4\"><code>ArrayList&lt;Person&gt; people = new ArrayList&lt;&gt;();\n\npeople.add(new Person(\"Alice\", 25));\n\npeople.add(new Person(\"Bob\", 30));\n\npeople.add(new Person(\"Charlie\", 20));\n\npeople.sort(Comparator.comparing(Person::getName)); \/\/ Sort by name<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0418\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 Comparable \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043a\u043b\u0430\u0441\u0441\u0443 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u0435\u0441\u0442\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0439 \u043f\u043e\u0440\u044f\u0434\u043e\u043a \u0441\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u043a\u0438. \u041e\u0431\u044a\u0435\u043a\u0442\u044b, \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u044e\u0449\u0438\u0435 Comparable, \u043c\u043e\u0433\u0443\u0442 \u0431\u044b\u0442\u044c \u0441\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u044b \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043c\u0435\u0442\u043e\u0434\u043e\u0432 sort().<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-994358c1eb009ad0fae3038cd292cfb5\" style=\"background-color:#abb7c2d4\"><code>public class Student implements Comparable&lt;Student&gt; {\n\n&nbsp;&nbsp;&nbsp;&nbsp;private String name;\n\n&nbsp;&nbsp;&nbsp;&nbsp;private int age;<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0422\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c, \u043c\u044b \u0438\u043c\u0435\u0435\u043c \u0433\u0438\u0431\u043a\u0438\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0434\u043b\u044f \u0443\u043f\u043e\u0440\u044f\u0434\u043e\u0447\u0438\u0432\u0430\u043d\u0438\u044f \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0441\u043f\u0438\u0441\u043a\u0430 \u0432 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0438 \u0441 \u0437\u0430\u0434\u0430\u043d\u043d\u044b\u043c\u0438 \u043f\u0440\u0430\u0432\u0438\u043b\u0430\u043c\u0438 \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0410\u0441\u0441\u043e\u0446\u0438\u0430\u0442\u0438\u0432\u043d\u044b\u0435 \u043c\u0430\u0441\u0441\u0438\u0432\u044b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ArrayList \u0432 Java \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d \u0434\u043b\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b \u0434\u0430\u043d\u043d\u044b\u0445, \u0430\u043d\u0430\u043b\u043e\u0433\u0438\u0447\u043d\u043e\u0439 \u0430\u0441\u0441\u043e\u0446\u0438\u0430\u0442\u0438\u0432\u043d\u043e\u043c\u0443 \u043c\u0430\u0441\u0441\u0438\u0432\u0443. \u0412 \u044d\u0442\u043e\u0439 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0435 \u043a\u0430\u0436\u0434\u043e\u043c\u0443 \u043a\u043b\u044e\u0447\u0443 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u0435\u0442 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435, \u0447\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e \u0445\u0440\u0430\u043d\u0438\u0442\u044c \u0438 \u043f\u043e\u043b\u0443\u0447\u0430\u0442\u044c \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0434\u0430\u043d\u043d\u044b\u043c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0440\u0438\u043c\u0435\u0440 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u0430\u0441\u0441\u043e\u0446\u0438\u0430\u0442\u0438\u0432\u043d\u044b\u043c\u0438 \u043c\u0430\u0441\u0441\u0438\u0432\u0430\u043c\u0438 \u0432 Java \u043c\u043e\u0436\u0435\u0442 \u0432\u044b\u0433\u043b\u044f\u0434\u0435\u0442\u044c \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c:<\/p>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-c6d8ab29d5bcb7e03927d094ae9deb18\" style=\"background-color:#abb7c2d4\"><code>import java.util.ArrayList;\n\npublic class AssociativeArrayExample {\n\n&nbsp;&nbsp;&nbsp;&nbsp;public static void main(String&#91;] args) {<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0421\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u0430\u0441\u0441\u043e\u0446\u0438\u0430\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u043c\u0430\u0441\u0441\u0438\u0432\u0430 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c ArrayList&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-d400f5c69a61dc9ea60add9d9f5a477a\" style=\"background-color:#abb7c2d4\"><code>ArrayList&lt;String&gt; keys = new ArrayList&lt;&gt;();\n\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ArrayList&lt;Integer&gt; values = new ArrayList&lt;&gt;();<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0432 \u0430\u0441\u0441\u043e\u0446\u0438\u0430\u0442\u0438\u0432\u043d\u044b\u0439 \u043c\u0430\u0441\u0441\u0438\u0432<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-69a327550ac737b20da5bf897da8cbb2\" style=\"background-color:#abb7c2d4\"><code>keys.add(\"apple\");\n\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;values.add(10);\n\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;keys.add(\"banana\");\n\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;values.add(20);\n\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;keys.add(\"orange\");\n\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;values.add(15);<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u041f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043f\u043e \u043a\u043b\u044e\u0447\u0443<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-3056dfae1608a65dbcc5192a1e8004df\" style=\"background-color:#abb7c2d4\"><code>int appleCount = values.get(keys.indexOf(\"apple\"));\n\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;System.out.println(\"Number of apples: \" + appleCount);<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0418\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043f\u043e \u043a\u043b\u044e\u0447\u0443<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-a417a2125f815d6e95b3a3ba6c5d3c5c\" style=\"background-color:#abb7c2d4\"><code>values.set(keys.indexOf(\"banana\"), 25);\n\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;System.out.println(\"Number of bananas: \" + values.get(keys.indexOf(\"banana\")));<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0423\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430 \u043f\u043e \u043a\u043b\u044e\u0447\u0443<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-3a6b252cb0b576bc720427646ba9aefb\" style=\"background-color:#abb7c2d4\"><code>int index = keys.indexOf(\"orange\");\n\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;keys.remove(index);\n\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;values.remove(index);\n\n&nbsp;&nbsp;&nbsp;&nbsp;}\n\n}<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u0420\u0430\u0431\u043e\u0442\u0430 \u0441 \u043c\u043d\u043e\u0433\u043e\u043c\u0435\u0440\u043d\u044b\u043c\u0438 ArrayList<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u041c\u043d\u043e\u0433\u043e\u043c\u0435\u0440\u043d\u044b\u0435 ArrayList \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0442 \u0441\u043e\u0431\u043e\u0439 \u0441\u043f\u0438\u0441\u043a\u0438, \u0441\u043e\u0434\u0435\u0440\u0436\u0430\u0449\u0438\u0435 \u0434\u0440\u0443\u0433\u0438\u0435 \u0441\u043f\u0438\u0441\u043a\u0438 \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0441\u0432\u043e\u0438\u0445 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432. \u041e\u043d\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u0434\u043b\u044f \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0441\u043b\u043e\u0436\u043d\u044b\u0445 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440 \u0434\u0430\u043d\u043d\u044b\u0445, \u0442\u0430\u043a\u0438\u0445 \u043a\u0430\u043a \u043c\u0430\u0442\u0440\u0438\u0446\u044b, \u0442\u0430\u0431\u043b\u0438\u0446\u044b \u0438\u043b\u0438 \u0441\u043f\u0438\u0441\u043a\u0438 \u0441\u043f\u0438\u0441\u043a\u043e\u0432.&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u041c\u043d\u043e\u0433\u043e\u043c\u0435\u0440\u043d\u044b\u0435 ArrayList \u043c\u043e\u0433\u0443\u0442 \u0431\u044b\u0442\u044c \u0441\u043e\u0437\u0434\u0430\u043d\u044b \u043f\u0443\u0442\u0435\u043c \u0432\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u0441\u043f\u0438\u0441\u043a\u043e\u0432 \u0432\u043d\u0443\u0442\u0440\u0438 \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u043f\u0438\u0441\u043a\u043e\u0432:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-4ccc212e6d22ebc78e59a03aa378d2dd\" style=\"background-color:#abb7c2d4\"><code>ArrayList&lt;ArrayList&lt;Integer&gt;&gt; matrix = new ArrayList&lt;&gt;();<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0418\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u043c\u043d\u043e\u0433\u043e\u043c\u0435\u0440\u043d\u044b\u0445 ArrayList \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0430 \u043f\u0443\u0442\u0435\u043c \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0441\u043f\u0438\u0441\u043a\u043e\u0432 \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0441\u043f\u0438\u0441\u043e\u043a. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u043c\u0430\u0442\u0440\u0438\u0446\u044b 3&#215;3:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-bcc647ab6a9549b6c32a9bbcd4bf6a7b\" style=\"background-color:#abb7c2d4\"><code>ArrayList&lt;ArrayList&lt;Integer&gt;&gt; matrix = new ArrayList&lt;&gt;();\n\nfor (int i = 0; i &lt; 3; i++) {\n\n&nbsp;&nbsp;&nbsp;&nbsp;ArrayList&lt;Integer&gt; row = new ArrayList&lt;&gt;();\n\n&nbsp;&nbsp;&nbsp;&nbsp;for (int j = 0; j &lt; 3; j++) {\n\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;row.add(0); \/\/ Initializing each element to zero\n\n&nbsp;&nbsp;&nbsp;&nbsp;}\n\n&nbsp;&nbsp;&nbsp;&nbsp;matrix.add(row); \/\/ Adding a Row to a Matrix\n\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0427\u0442\u043e \u043a\u0430\u0441\u0430\u0435\u0442\u0441\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u043c \u043c\u043d\u043e\u0433\u043e\u043c\u0435\u0440\u043d\u043e\u0433\u043e ArrayList, \u0442\u043e \u043e\u043d \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u0438\u043d\u0434\u0435\u043a\u0441\u043e\u0432 \u0438 \u043c\u0435\u0442\u043e\u0434\u0430 get():<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-3917df003454056f0ad477fd9105280e\" style=\"background-color:#abb7c2d4\"><code>int element = matrix.get(i).get(j);<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412 \u0446\u0435\u043b\u043e\u043c \u0438\u0445 \u043c\u043e\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0434\u043b\u044f \u0440\u0435\u0448\u0435\u043d\u0438\u044f \u0448\u0438\u0440\u043e\u043a\u043e\u0433\u043e \u0441\u043f\u0435\u043a\u0442\u0440\u0430 \u0437\u0430\u0434\u0430\u0447, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u0441 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u0438 \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c \u0434\u0430\u043d\u043d\u044b\u0445.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u041e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u044f \u0440\u0430\u0431\u043e\u0442\u044b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ArrayList \u0432 Java \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u0433\u0438\u0431\u043a\u043e\u0435 \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u0435 \u0434\u0430\u043d\u043d\u044b\u0445, \u043d\u043e \u043d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u043b\u0438\u0448\u043d\u0438\u043c \u0440\u0430\u0441\u0445\u043e\u0434\u0430\u043c \u0440\u0435\u0441\u0443\u0440\u0441\u043e\u0432 \u0438 \u0441\u043d\u0438\u0436\u0435\u043d\u0438\u044e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438. \u0414\u043b\u044f \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u0432\u0430\u0436\u043d\u043e \u0443\u0447\u0438\u0442\u044b\u0432\u0430\u0442\u044c \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0430\u0441\u043f\u0435\u043a\u0442\u043e\u0432.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/esvt4mphmap.exactdn.com\/wp-content\/uploads\/2024\/02\/arraylist-is-very-commonly-used-1024x576.jpg?strip=all&quality=92&webp=92&avif=90&sharp=1\" alt=\"ArrayList is very commonly used\" class=\"wp-image-48274\" srcset=\"https:\/\/esvt4mphmap.exactdn.com\/wp-content\/uploads\/2024\/02\/arraylist-is-very-commonly-used-1024x576.jpg?strip=all&amp;quality=92&amp;webp=92&amp;avif=90&amp;sharp=1 1024w, https:\/\/esvt4mphmap.exactdn.com\/wp-content\/uploads\/2024\/02\/arraylist-is-very-commonly-used-300x169.jpg?strip=all&amp;quality=92&amp;webp=92&amp;avif=90&amp;sharp=1 300w, https:\/\/esvt4mphmap.exactdn.com\/wp-content\/uploads\/2024\/02\/arraylist-is-very-commonly-used-768x432.jpg?strip=all&amp;quality=92&amp;webp=92&amp;avif=90&amp;sharp=1 768w, https:\/\/esvt4mphmap.exactdn.com\/wp-content\/uploads\/2024\/02\/arraylist-is-very-commonly-used.jpg?strip=all&amp;quality=92&amp;webp=92&amp;avif=90&amp;sharp=1 1366w, https:\/\/esvt4mphmap.exactdn.com\/wp-content\/uploads\/2024\/02\/arraylist-is-very-commonly-used.jpg?strip=all&amp;quality=92&amp;webp=92&amp;avif=90&amp;sharp=1&amp;w=136 136w, https:\/\/esvt4mphmap.exactdn.com\/wp-content\/uploads\/2024\/02\/arraylist-is-very-commonly-used.jpg?strip=all&amp;quality=92&amp;webp=92&amp;avif=90&amp;sharp=1&amp;w=409 409w, https:\/\/esvt4mphmap.exactdn.com\/wp-content\/uploads\/2024\/02\/arraylist-is-very-commonly-used.jpg?strip=all&amp;quality=92&amp;webp=92&amp;avif=90&amp;sharp=1&amp;w=546 546w, https:\/\/esvt4mphmap.exactdn.com\/wp-content\/uploads\/2024\/02\/arraylist-is-very-commonly-used.jpg?strip=all&amp;quality=92&amp;webp=92&amp;avif=90&amp;sharp=1&amp;w=683 683w, https:\/\/esvt4mphmap.exactdn.com\/wp-content\/uploads\/2024\/02\/arraylist-is-very-commonly-used.jpg?strip=all&amp;quality=92&amp;webp=92&amp;avif=90&amp;sharp=1&amp;w=819 819w, https:\/\/esvt4mphmap.exactdn.com\/wp-content\/uploads\/2024\/02\/arraylist-is-very-commonly-used.jpg?strip=all&amp;quality=92&amp;webp=92&amp;avif=90&amp;sharp=1&amp;w=956 956w, https:\/\/esvt4mphmap.exactdn.com\/wp-content\/uploads\/2024\/02\/arraylist-is-very-commonly-used.jpg?strip=all&amp;quality=92&amp;webp=92&amp;avif=90&amp;sharp=1&amp;w=1092 1092w, https:\/\/esvt4mphmap.exactdn.com\/wp-content\/uploads\/2024\/02\/arraylist-is-very-commonly-used.jpg?strip=all&amp;quality=92&amp;webp=92&amp;avif=90&amp;sharp=1&amp;w=1229 1229w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412\u043e-\u043f\u0435\u0440\u0432\u044b\u0445, \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0443\u0435\u0442\u0441\u044f \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0442\u044c \u043d\u0430\u0447\u0430\u043b\u044c\u043d\u0443\u044e \u0435\u043c\u043a\u043e\u0441\u0442\u044c, \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e \u0435\u0441\u043b\u0438 \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u043e \u043f\u0440\u0438\u0431\u043b\u0438\u0437\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0435 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432. \u042d\u0442\u043e \u043f\u043e\u043c\u043e\u0433\u0430\u0435\u0442 \u0438\u0437\u0431\u0435\u0436\u0430\u0442\u044c \u043b\u0438\u0448\u043d\u0438\u0445 \u043f\u0435\u0440\u0435\u0432\u044b\u0434\u0435\u043b\u0435\u043d\u0438\u0439 \u043f\u0430\u043c\u044f\u0442\u0438 \u0438 \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u043f\u0440\u0438 \u0443\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u0438\u0438 \u0440\u0430\u0437\u043c\u0435\u0440\u0430 \u0441\u043f\u0438\u0441\u043a\u0430.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412\u043e-\u0432\u0442\u043e\u0440\u044b\u0445, \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0430\u043c\u044f\u0442\u044c\u044e \u0438\u0433\u0440\u0430\u0435\u0442 \u0432\u0430\u0436\u043d\u0443\u044e \u0440\u043e\u043b\u044c \u043f\u0440\u0438 \u0440\u0430\u0431\u043e\u0442\u0435 \u0441 \u0431\u043e\u043b\u044c\u0448\u0438\u043c\u0438 \u043e\u0431\u044a\u0435\u043c\u0430\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u0445. \u041d\u0435\u043d\u0443\u0436\u043d\u044b\u0435 \u043e\u0431\u044a\u0435\u043a\u0442\u044b \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u0443\u0434\u0430\u043b\u044f\u0442\u044c \u0438\u0437 \u0441\u043f\u0438\u0441\u043a\u0430, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u043c\u0435\u0442\u043e\u0434\u044b clear() \u0438\u043b\u0438 remove(), \u0447\u0442\u043e\u0431\u044b \u0438\u0437\u0431\u0435\u0436\u0430\u0442\u044c \u0443\u0442\u0435\u0447\u0435\u043a \u043f\u0430\u043c\u044f\u0442\u0438.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041a\u0440\u043e\u043c\u0435 \u0442\u043e\u0433\u043e, \u0440\u0430\u0437\u043c\u0435\u0440 \u043c\u043e\u0436\u0435\u0442 \u0432\u043b\u0438\u044f\u0442\u044c \u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u044f, \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u044f \u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u043c. \u0411\u043e\u043b\u044c\u0448\u043e\u0439 \u0440\u0430\u0437\u043c\u0435\u0440 \u0441\u043f\u0438\u0441\u043a\u0430 \u043c\u043e\u0436\u0435\u0442 \u0443\u0432\u0435\u043b\u0438\u0447\u0438\u0442\u044c \u0432\u0440\u0435\u043c\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439, \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e \u043f\u0440\u0438 \u043f\u0435\u0440\u0435\u0432\u044b\u0434\u0435\u043b\u0435\u043d\u0438\u0438 \u043f\u0430\u043c\u044f\u0442\u0438 \u0438 \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u043e\u044d\u0442\u043e\u043c\u0443 \u0432\u0430\u0436\u043d\u043e \u0432\u044b\u0431\u0438\u0440\u0430\u0442\u044c \u043e\u043f\u0442\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u0439 \u0440\u0430\u0437\u043c\u0435\u0440 \u0441\u043f\u0438\u0441\u043a\u0430 \u0432 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 \u043e\u0442 \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u043e\u0439 \u0437\u0430\u0434\u0430\u0447\u0438 \u0438 \u0442\u0438\u043f\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0431\u0443\u0434\u0443\u0442 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c\u0441\u044f.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u041f\u0440\u0438\u043c\u0435\u0440\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0432 \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u0430\u0445<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u043f\u0440\u0438\u043c\u0435\u0440\u043e\u0432 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u043c\u0430\u0441\u0441\u0438\u0432\u0430 \u0438 \u043f\u0440\u043e\u0430\u043d\u0430\u043b\u0438\u0437\u0438\u0440\u0443\u0435\u043c \u0435\u0433\u043e \u043f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0430 \u0438 \u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043a\u0438 \u043f\u043e \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044e \u0441 \u0434\u0440\u0443\u0433\u0438\u043c\u0438 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u044f\u043c\u0438.<\/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<p class=\"wp-block-paragraph\">\u041f\u0440\u0438\u043c\u0435\u0440\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. \u0423\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0441\u043f\u0438\u0441\u043a\u043e\u043c \u0441\u0442\u0443\u0434\u0435\u043d\u0442\u043e\u0432 \u0432 \u0443\u0447\u0435\u0431\u043d\u043e\u043c \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0438<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-8ccb541381b861b32468d02c3e2c558f\" style=\"background-color:#abb7c2d4\"><code>ArrayList&lt;Student&gt; studentsList = new ArrayList&lt;&gt;();<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\/\/ \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0441\u0442\u0443\u0434\u0435\u043d\u0442\u043e\u0432 \u0432 \u0441\u043f\u0438\u0441\u043e\u043a<\/p>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-c612bb31b6686e5ba22a7507bf032db4\" style=\"background-color:#abb7c2d4\"><code>studentsList.add(new Student(\"Alice\", 20));\n\nstudentsList.add(new Student(\"Bob\", 22));\n\nstudentsList.add(new Student(\"Charlie\", 21));\n\n\/\/ Search for a student by name\n\nStudent foundStudent = null;\n\nfor (Student student : studentsList) {\n\n&nbsp;&nbsp;&nbsp;&nbsp;if (student.getName().equals(\"Bob\")) {\n\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;foundStudent = student;\n\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;break;\n\n&nbsp;&nbsp;&nbsp;&nbsp;}\n\n}\n\n\/\/ Removing a student from the list\n\nstudentsList.remove(foundStudent);<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. \u0425\u0440\u0430\u043d\u0435\u043d\u0438\u0435 \u0434\u0430\u043d\u043d\u044b\u0445 \u0437\u0430\u043a\u0430\u0437\u043e\u0432 \u0432 \u0438\u043d\u0442\u0435\u0440\u043d\u0435\u0442-\u043c\u0430\u0433\u0430\u0437\u0438\u043d\u0435:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code g-pt-20 g-pb-20 g-pr-20 g-pl-20 has-black-color has-text-color has-background has-link-color wp-elements-e5228af8652d1f2c3d68a2f09ad8ae7d\" style=\"background-color:#abb7c2d4\"><code>ArrayList&lt;Order&gt; ordersList = new ArrayList&lt;&gt;();\n\n\/\/ Adding new orders to the list\n\nordersList.add(new Order(\"1234\", 50.99));\n\nordersList.add(new Order(\"5678\", 30.49));\n\nordersList.add(new Order(\"91011\", 75.25));\n\n\/\/ Calculating the total amount of orders\n\ndouble totalAmount = 0;\n\nfor (Order order : ordersList) {\n\n&nbsp;&nbsp;&nbsp;&nbsp;totalAmount += order.getAmount();\n\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0420\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0430 \u0438 \u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043a\u0438 ArrayList:<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-black-color has-text-color has-background has-link-color\" style=\"background-color:#abb7c269\"><tbody><tr><td><strong>\u041a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u044f<\/strong><\/td><td><strong>\u041f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0430<\/strong><\/td><td><strong>\u041d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043a\u0438<\/strong><\/td><\/tr><tr><td><strong>ArrayList<\/strong><\/td><td>\u041f\u0440\u043e\u0441\u0442\u043e\u0442\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f; \u0413\u0438\u0431\u043a\u043e\u0441\u0442\u044c \u043f\u0440\u0438 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0438, \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0438 \u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0435 \u043a \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u043c;<br>\u041f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043e\u0431\u043e\u0431\u0449\u0435\u043d\u0438\u0439.<\/td><td>\u041e\u0442\u043d\u043e\u0441\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043c\u0435\u0434\u043b\u0435\u043d\u043d\u044b\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0432\u0441\u0442\u0430\u0432\u043a\u0438 \u0438 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u044f \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0432 \u0441\u0435\u0440\u0435\u0434\u0438\u043d\u0435 \u0441\u043f\u0438\u0441\u043a\u0430 \u0438\u0437-\u0437\u0430 \u0441\u0434\u0432\u0438\u0433\u0430 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432. <br>\u041f\u0435\u0440\u0435\u0432\u044b\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u0440\u0438 \u0443\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u0438\u0438 \u0440\u0430\u0437\u043c\u0435\u0440\u0430 \u0441\u043f\u0438\u0441\u043a\u0430. \u041c\u0435\u0434\u043b\u0435\u043d\u043d\u044b\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u044f \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u043f\u0440\u0438 \u0431\u043e\u043b\u044c\u0448\u0438\u0445 \u043e\u0431\u044a\u0435\u043c\u0430\u0445 \u0434\u0430\u043d\u043d\u044b\u0445.<\/td><\/tr><tr><td><strong>LinkedList<\/strong><\/td><td>\u0411\u044b\u0441\u0442\u0440\u043e\u0435 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0438 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0432 \u043d\u0430\u0447\u0430\u043b\u0435 \u0438 \u0441\u0435\u0440\u0435\u0434\u0438\u043d\u0435 \u0441\u043f\u0438\u0441\u043a\u0430; <br>\u041c\u0435\u043d\u044c\u0448\u0435\u0435 \u043f\u0435\u0440\u0435\u0432\u044b\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043f\u0430\u043c\u044f\u0442\u0438.<\/td><td>\u041c\u0435\u0434\u043b\u0435\u043d\u043d\u044b\u0439 \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u043c \u043f\u043e \u0438\u043d\u0434\u0435\u043a\u0441\u0443;&nbsp;<br>\u0411\u043e\u043b\u044c\u0448\u0435\u0435 \u043f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u0438\u0435 \u043f\u0430\u043c\u044f\u0442\u0438 \u0438\u0437-\u0437\u0430 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u0441\u0441\u044b\u043b\u043e\u043a \u043d\u0430 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0438 \u043f\u0440\u0435\u0434\u044b\u0434\u0443\u0449\u0438\u0439 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b.<\/td><\/tr><tr><td><strong>HashMap<\/strong><\/td><td>\u0411\u044b\u0441\u0442\u0440\u044b\u0439 \u043f\u043e\u0438\u0441\u043a \u043f\u043e \u043a\u043b\u044e\u0447\u0443; \u0413\u0438\u0431\u043a\u043e\u0441\u0442\u044c \u043f\u0440\u0438 \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u0438 \u043f\u0430\u0440 &#171;\u043a\u043b\u044e\u0447-\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435&#187;;<br>\u041e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435 \u0434\u0443\u0431\u043b\u0438\u043a\u0430\u0442\u043e\u0432 \u043a\u043b\u044e\u0447\u0435\u0439.<\/td><td>\u041e\u0442\u043d\u043e\u0441\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043c\u0435\u0434\u043b\u0435\u043d\u043d\u044b\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0438\u0442\u0435\u0440\u0430\u0446\u0438\u0438 \u043f\u043e \u0432\u0441\u0435\u0439 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u0438;<br>\u041d\u0435\u0442 \u0433\u0430\u0440\u0430\u043d\u0442\u0438\u0438 \u043f\u043e\u0440\u044f\u0434\u043a\u0430 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432.<\/td><\/tr><tr><td><strong>TreeSet<\/strong><\/td><td>\u0410\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0441\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u043a\u0430 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432;<br>\u0411\u044b\u0441\u0442\u0440\u044b\u0439 \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u043c\u0443 \u0438 \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u043c\u0443 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u043c.<\/td><td>\u041c\u0435\u0434\u043b\u0435\u043d\u043d\u044b\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u044f \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0438\u0437 \u0441\u0435\u0440\u0435\u0434\u0438\u043d\u044b \u0441\u043f\u0438\u0441\u043a\u0430 \u0438\u0437-\u0437\u0430 \u043f\u0435\u0440\u0435\u0441\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u043a\u0438. \u041e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f \u043d\u0430 \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u0435 \u0434\u0443\u0431\u043b\u0438\u043a\u0430\u0442\u043e\u0432.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u041a\u0430\u043a \u0432\u0438\u0434\u0438\u043c, ArrayList \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043f\u0440\u043e\u0441\u0442\u043e\u0439 \u0438 \u0443\u0434\u043e\u0431\u043d\u044b\u0439 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441, \u043d\u043e \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u043d\u0435\u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u044b\u043c \u043f\u0440\u0438 \u0431\u043e\u043b\u044c\u0448\u0438\u0445 \u043e\u0431\u044a\u0435\u043c\u0430\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0438\u043b\u0438 \u0447\u0430\u0441\u0442\u044b\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044f\u0445 \u0432\u0441\u0442\u0430\u0432\u043a\u0438 \u0438 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u044f.<\/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\">ArrayList \u0438\u0433\u0440\u0430\u0435\u0442 \u0432\u0430\u0436\u043d\u0443\u044e \u0440\u043e\u043b\u044c \u0432 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u043d\u0430 Java, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044f \u0443\u0434\u043e\u0431\u043d\u044b\u0439 \u0438 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u044b\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u044f\u043c\u0438 \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432. \u041f\u043e\u043d\u0438\u043c\u0430\u043d\u0438\u0435 \u0435\u0433\u043e \u043e\u0441\u043d\u043e\u0432 \u0438 \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u0440\u0430\u0431\u043e\u0442\u044b \u043f\u043e\u043c\u043e\u0436\u0435\u0442 \u0432 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0438 \u0431\u043e\u043b\u0435\u0435 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u0438 \u0447\u0438\u0441\u0442\u043e\u0433\u043e \u043a\u043e\u0434\u0430. \u0420\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0443\u0435\u043c \u0438\u0437\u0443\u0447\u0430\u0442\u044c \u0438 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0432 \u0440\u0430\u0431\u043e\u0442\u0435 \u0441 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u0438\u043c \u043c\u0430\u0441\u0441\u0438\u0432\u043e\u043c \u0438 \u0434\u0440\u0443\u0433\u0438\u043c\u0438 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u044f\u043c\u0438 Java \u0434\u043b\u044f \u0434\u043e\u0441\u0442\u0438\u0436\u0435\u043d\u0438\u044f \u043e\u043f\u0442\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0438 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u0438 \u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"\u041b\u0435\u043a\u0446\u0438\u044f \u043f\u043e \u043e\u0441\u043d\u043e\u0432\u0430\u043c Java. \u041e\u0431\u044a\u0435\u043a\u0442 Object, Collection framework\" width=\"640\" height=\"480\" src=\"https:\/\/www.youtube.com\/embed\/ihVGmiss6Vw?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>Java \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u043e \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440 \u0434\u0430\u043d\u043d\u044b\u0445 \u0434\u043b\u044f \u0443\u0434\u043e\u0431\u043d\u043e\u0439 \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u044f\u043c\u0438 \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432. \u041e\u0434\u043d\u043e\u0439 \u0438\u0437 \u0441\u0430\u043c\u044b\u0445 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043d\u044b\u0445 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f ArrayList. \u0412 \u044d\u0442\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u043c\u044b \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043e\u0441\u043d\u043e\u0432\u044b ArrayList Java, \u0435\u0433\u043e \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435, \u043c\u0435\u0442\u043e\u0434\u044b \u0440\u0430\u0431\u043e\u0442\u044b, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0432 \u0430\u0441\u0441\u043e\u0446\u0438\u0430\u0442\u0438\u0432\u043d\u044b\u0445 \u043c\u0430\u0441\u0441\u0438\u0432\u0430\u0445. 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