{"id":72263,"date":"2025-02-27T19:54:22","date_gmt":"2025-02-27T17:54:22","guid":{"rendered":"https:\/\/foxminded.ua\/?p=72263"},"modified":"2025-02-27T19:54:55","modified_gmt":"2025-02-27T17:54:55","slug":"optional-v-java","status":"publish","type":"post","link":"https:\/\/foxminded.ua\/ru\/optional-v-java\/","title":{"rendered":"\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 Optional \u0432 Java \u0438 \u043a\u0430\u043a \u043e\u043d \u043f\u043e\u043c\u043e\u0433\u0430\u0435\u0442 \u0438\u0437\u0431\u0435\u0436\u0430\u0442\u044c NullPointerException"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u0412 \u043c\u0438\u0440\u0435 <a href=\"https:\/\/foxminded.ua\/ru\/strong-junior-java\/\">Java<\/a> \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u0447\u0430\u0441\u0442\u043e \u0441\u0442\u0430\u043b\u043a\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u0441 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u044c\u044e \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c \u0442\u0430\u043a\u043e\u0435 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0435, \u043a\u0430\u043a java \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u043d\u0430 null. \u042d\u0442\u0430 \u0437\u0430\u0434\u0430\u0447\u0430 \u0432\u043e\u0437\u043d\u0438\u043a\u0430\u0435\u0442, \u043a\u043e\u0433\u0434\u0430 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430 \u0434\u043e\u043b\u0436\u043d\u0430 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u043e \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f, \u0447\u0442\u043e\u0431\u044b \u0438\u0437\u0431\u0435\u0436\u0430\u0442\u044c \u043e\u0448\u0438\u0431\u043e\u043a \u0438 \u0441\u0431\u043e\u0435\u0432. \u041a\u0430\u043a \u043d\u0430\u0441\u0447\u0435\u0442 \u0442\u043e\u0433\u043e, \u0447\u0442\u043e\u0431\u044b \u0443\u043f\u0440\u043e\u0441\u0442\u0438\u0442\u044c \u044d\u0442\u043e\u0442 \u043f\u0440\u043e\u0446\u0435\u0441\u0441? \u0421\u0435\u0433\u043e\u0434\u043d\u044f \u043c\u044b \u043e\u0431\u0441\u0443\u0434\u0438\u043c, \u043a\u0430\u043a \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0442\u0430\u043a, \u0447\u0442\u043e\u0431\u044b \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u043a\u043e\u0434 \u0447\u0438\u0449\u0435, \u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0443 \u2014 \u043c\u0435\u043d\u0435\u0435 \u0431\u043e\u043b\u0435\u0437\u043d\u0435\u043d\u043d\u043e\u0439.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0410 \u043a\u043e\u0434\u0438\u0442\u044c \u043d\u0430 \u0434\u0436\u0430\u0432\u0435 \u0442\u044b \u043d\u0430\u0443\u0447\u0438\u0448\u044c\u0441\u044f \u043d\u0430 \u043a\u0443\u0440\u0441\u0430\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f <a href=\"https:\/\/foxminded.ua\/\">FoxmindEd<\/a>.<\/p>\n\n\n    <div class=\"adv_block\">\r\n        <div class=\"top_text\">\u0425\u043e\u0442\u0438\u0442\u0435 \u043e\u0441\u0432\u043e\u0438\u0442\u044c \u043f\u0440\u043e\u0444\u0435\u0441\u0441\u0438\u044e Java Developer? \u041f\u0440\u0438\u0441\u043e\u0435\u0434\u0438\u043d\u044f\u0439\u0442\u0435\u0441\u044c \u043a \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0435 <a href=\"https:\/\/foxminded.ua\/ru\/strong-junior-java\/\">&#171;\u041e\u0442 0 \u0434\u043e Strong Java Junior \u0437\u0430 12 \u043c\u0435\u0441\u044f\u0446\u0435\u0432&#187;<\/a>. \u0412\u043e\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435\u0441\u044c \u0432\u044b\u0433\u043e\u0434\u043d\u044b\u043c \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435\u043c \u043e\u0442 FoxmindEd!<\/div>\r\n        \r\n        <a href=\"https:\/\/foxminded.ua\/ru\/strong-junior-java\/\" class=\"adv_block_btn btn btn-primary\">\r\n            \u0417\u0430\u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u0442\u044c\u0441\u044f        <\/a>\r\n    <\/div>\r\n\n\n\n<h2 class=\"wp-block-heading\">\u041e\u0441\u043d\u043e\u0432\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f Optional<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0417\u0430\u0447\u0435\u043c \u043d\u0443\u0436\u0435\u043d Optional \u0432 Java?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Optional \u0437\u0430\u043c\u0435\u043d\u044f\u0435\u0442 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u043d\u0430 null, \u0441\u043d\u0438\u0436\u0430\u044f \u0440\u0438\u0441\u043a \u043e\u0448\u0438\u0431\u043e\u043a \u0438 \u0434\u0435\u043b\u0430\u044f \u043a\u043e\u0434 \u0431\u043e\u043b\u0435\u0435 \u0447\u0438\u0442\u0430\u0435\u043c\u044b\u043c. \u041e\u043d \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0441 \u0434\u0430\u043d\u043d\u044b\u043c\u0438 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e, \u044f\u0432\u043d\u043e \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u044f: \u0435\u0441\u0442\u044c \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 \u0438\u043b\u0438 \u0435\u0433\u043e \u043d\u0435\u0442.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u041a\u043b\u0430\u0441\u0441-\u043e\u0431\u0435\u0440\u0442\u043a\u0430: \u043a\u043b\u044e\u0447\u0435\u0432\u0430\u044f \u0438\u0434\u0435\u044f Optional<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Optional \u2014 \u044d\u0442\u043e \u043a\u043b\u0430\u0441\u0441-\u043e\u0431\u0435\u0440\u0442\u043a\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0441\u043e\u043e\u0431\u0449\u0430\u0435\u0442: &#171;\u0417\u0434\u0435\u0441\u044c \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u043f\u0443\u0441\u0442\u043e&#187;. \u0412\u043c\u0435\u0441\u0442\u043e \u0440\u0430\u0431\u043e\u0442\u044b \u0441 null \u0432\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0435 \u043e\u0431\u044a\u0435\u043a\u0442 \u0441 \u0443\u0434\u043e\u0431\u043d\u044b\u043c\u0438 \u043c\u0435\u0442\u043e\u0434\u0430\u043c\u0438 \u0434\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f. \u042d\u0442\u043e \u0434\u0435\u043b\u0430\u0435\u0442 \u043a\u043e\u0434 \u043f\u043e\u043d\u044f\u0442\u043d\u044b\u043c \u0438 \u0437\u0430\u0449\u0438\u0449\u0430\u0435\u0442 \u043e\u0442 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0445 \u043e\u0448\u0438\u0431\u043e\u043a.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u041a\u0430\u043a Optional \u043f\u043e\u043c\u043e\u0433\u0430\u0435\u0442 \u0438\u0437\u0431\u0435\u0436\u0430\u0442\u044c NullPointerException<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0413\u043b\u0430\u0432\u043d\u043e\u0435 \u043f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u043e \u043a\u043b\u0430\u0441\u0441\u0430 \u2014 \u043e\u043d \u0437\u0430\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0443\u0447\u0438\u0442\u044b\u0432\u0430\u0442\u044c \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f. \u0412\u0441\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0441 \u043d\u0438\u043c \u0442\u0440\u0435\u0431\u0443\u044e\u0442 \u044f\u0432\u043d\u043e\u0433\u043e \u0443\u043a\u0430\u0437\u0430\u043d\u0438\u044f \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0439, \u0435\u0441\u043b\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 \u043d\u0435\u0442. \u042d\u0442\u043e \u0441\u0432\u043e\u0435\u0433\u043e \u0440\u043e\u0434\u0430 \u0441\u0442\u0440\u0430\u0445\u043e\u0432\u043a\u0430, \u0437\u0430\u0449\u0438\u0449\u0430\u044e\u0449\u0430\u044f \u043a\u043e\u0434 \u043e\u0442 \u0447\u0430\u0441\u0442\u043e\u0439 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u2014 NullPointerException.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043c\u0435\u0442\u043e\u0434\u044b \u0438 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 Optional<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0421\u043e\u0437\u0434\u0430\u043d\u0438\u0435 Optional: \u043e\u0442 \u043f\u0443\u0441\u0442\u043e\u0442\u044b \u043a \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u043e\u0437\u0434\u0430\u0442\u044c \u043a\u043b\u0430\u0441\u0441 \u043c\u043e\u0436\u043d\u043e \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u043c\u0438 \u0441\u043f\u043e\u0441\u043e\u0431\u0430\u043c\u0438:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Optional.empty() \u2014 \u043f\u0443\u0441\u0442\u043e\u0439 \u043e\u0431\u044a\u0435\u043a\u0442.<\/li>\n\n\n\n<li>Optional.of(value) \u2014 \u0441\u043e\u0437\u0434\u0430\u0435\u0442\u0441\u044f \u043e\u0431\u044a\u0435\u043a\u0442, \u0435\u0441\u043b\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043d\u0435 null.<\/li>\n\n\n\n<li>Optional.ofNullable(value) \u2014 \u043f\u043e\u0434\u0445\u043e\u0434\u0438\u0442, \u0435\u0441\u043b\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c null.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u042d\u0442\u0438 \u043c\u0435\u0442\u043e\u0434\u044b \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0442 \u0433\u0438\u0431\u043a\u043e\u0441\u0442\u044c \u0438 \u043f\u043e\u043c\u043e\u0433\u0430\u044e\u0442 \u0438\u0437\u0431\u0435\u0436\u0430\u0442\u044c \u043f\u0440\u044f\u043c\u043e\u0439 \u0440\u0430\u0431\u043e\u0442\u044b \u0441 null. Java optional \u2014 \u044d\u0442\u043e \u043e\u0442\u043b\u0438\u0447\u043d\u044b\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u043a\u043e\u0434 \u0431\u043e\u043b\u0435\u0435 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u044b\u043c \u0438 \u043f\u0440\u0435\u0434\u0441\u043a\u0430\u0437\u0443\u0435\u043c\u044b\u043c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\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\u044b isPresent \u0438 isEmpty<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442 \u0434\u0432\u0430 \u043f\u0440\u043e\u0441\u0442\u044b\u0445, \u043d\u043e \u043c\u043e\u0449\u043d\u044b\u0445 \u043c\u0435\u0442\u043e\u0434\u0430:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>isPresent() \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 true, \u0435\u0441\u043b\u0438 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 \u0435\u0441\u0442\u044c.<\/li>\n\n\n\n<li>isEmpty() \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 true, \u0435\u0441\u043b\u0438 \u043e\u043d\u043e \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u0435\u0442.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u042d\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043b\u0435\u0433\u043a\u043e \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0442\u044c \u043b\u043e\u0433\u0438\u043a\u043e\u0439 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0434\u0430\u043d\u043d\u044b\u0445.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u041f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f: get, orElse, orElseGet \u0438 orElseThrow<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0422\u0430\u043a\u0436\u0435, \u0435\u0441\u0442\u044c \u0447\u0435\u0442\u044b\u0440\u0435 \u0441\u043f\u043e\u0441\u043e\u0431\u0430 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 \u0438\u0437 \u043a\u043b\u0430\u0441\u0441\u0430:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>get() \u2014 \u0438\u0437\u0432\u043b\u0435\u043a\u0430\u0435\u0442 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 (\u0435\u0441\u043b\u0438 \u0435\u0433\u043e \u043d\u0435\u0442, \u0432\u044b\u0431\u0440\u0430\u0441\u044b\u0432\u0430\u0435\u0442 \u0438\u0441\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435).<\/li>\n\n\n\n<li>orElse(defaultValue) \u2014 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442, \u0435\u0441\u043b\u0438 \u043e\u043d \u0435\u0441\u0442\u044c, \u0438\u043b\u0438 \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e.<\/li>\n\n\n\n<li>orElseGet(Supplier) \u2014 \u043f\u043e\u0445\u043e\u0436 \u043d\u0430 orElse, \u043d\u043e \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442 \u0444\u0443\u043d\u043a\u0446\u0438\u044e \u0434\u043b\u044f \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u044f \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e.<\/li>\n\n\n\n<li>orElseThrow() \u2014 \u0432\u044b\u0431\u0440\u0430\u0441\u044b\u0432\u0430\u0435\u0442 \u0438\u0441\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435, \u0435\u0441\u043b\u0438 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0430 \u043d\u0435\u0442.<\/li>\n<\/ul>\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\">\u041f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u043f\u0440\u0438\u043c\u0435\u0440\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f&nbsp;<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Optional \u0434\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u043d\u0430 null: \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u044b\u0439 \u043f\u043e\u0434\u0445\u043e\u0434<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u041e\u0434\u0438\u043d \u0438\u0437 \u043d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u0447\u0430\u0441\u0442\u044b\u0445 \u0441\u0446\u0435\u043d\u0430\u0440\u0438\u0435\u0432 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u2014 \u044d\u0442\u043e \u0437\u0430\u043c\u0435\u043d\u0430 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u043e\u0439 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u043d\u0430 null. \u0420\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043f\u0440\u043e\u0441\u0442\u043e\u0439 \u043f\u0440\u0438\u043c\u0435\u0440:<\/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)\"><pre class=\"shiki github-light\" style=\"background-color: #fff\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #24292E\">Optional<\/span><span style=\"color: #D73A49\">&lt;<\/span><span style=\"color: #24292E\">String<\/span><span style=\"color: #D73A49\">&gt;<\/span><span style=\"color: #24292E\"> optional <\/span><span style=\"color: #D73A49\">=<\/span><span style=\"color: #24292E\"> Optional.<\/span><span style=\"color: #6F42C1\">ofNullable<\/span><span style=\"color: #24292E\">(value); optional.<\/span><span style=\"color: #6F42C1\">ifPresent<\/span><span style=\"color: #24292E\">(System.out::println);<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u042d\u0442\u043e\u0442 \u043a\u043e\u0434 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u0443\u044e \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0443 \u0438 \u0432\u044b\u0432\u043e\u0434\u0438\u0442 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442, \u0435\u0441\u043b\u0438 \u043e\u043d \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u041f\u0440\u0438\u043c\u0435\u0440: \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0433\u043e \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u044f \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0414\u043e\u043f\u0443\u0441\u0442\u0438\u043c, \u0443 \u043d\u0430\u0441 \u0435\u0441\u0442\u044c \u043c\u0435\u0442\u043e\u0434, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0438\u043c\u044f \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\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)\"><pre class=\"shiki github-light\" style=\"background-color: #fff\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #24292E\">public Optional<\/span><span style=\"color: #D73A49\">&lt;<\/span><span style=\"color: #24292E\">String<\/span><span style=\"color: #D73A49\">&gt;<\/span><span style=\"color: #24292E\"> <\/span><span style=\"color: #6F42C1\">getUserName<\/span><span style=\"color: #24292E\">() {<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #24292E\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"color: #D73A49\">return<\/span><span style=\"color: #24292E\"> Optional.<\/span><span style=\"color: #6F42C1\">ofNullable<\/span><span style=\"color: #24292E\">(userName); }<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u041d\u043e, \u043c\u044b \u043c\u043e\u0436\u0435\u043c \u043b\u0435\u0433\u043a\u043e \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f:<\/em><\/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)\"><pre class=\"shiki github-light\" style=\"background-color: #fff\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #24292E\">String name <\/span><span style=\"color: #D73A49\">=<\/span><span style=\"color: #24292E\"> <\/span><span style=\"color: #6F42C1\">getUserName<\/span><span style=\"color: #24292E\">().<\/span><span style=\"color: #6F42C1\">orElse<\/span><span style=\"color: #24292E\">(<\/span><span style=\"color: #032F62\">&quot;Guest&quot;<\/span><span style=\"color: #24292E\">);<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #24292E\">System.out.<\/span><span style=\"color: #6F42C1\">println<\/span><span style=\"color: #24292E\">(<\/span><span style=\"color: #032F62\">&quot;Hello, &quot;<\/span><span style=\"color: #24292E\"> <\/span><span style=\"color: #D73A49\">+<\/span><span style=\"color: #24292E\"> name <\/span><span style=\"color: #D73A49\">+<\/span><span style=\"color: #24292E\"> <\/span><span style=\"color: #032F62\">&quot;!&quot;<\/span><span style=\"color: #24292E\">);<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u042d\u0442\u043e\u0442 optional java \u043f\u0440\u0438\u043c\u0435\u0440 \u043f\u043e\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442, \u043a\u0430\u043a \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u043a\u043e\u0434 \u0431\u043e\u043b\u0435\u0435 \u0447\u0438\u0442\u0430\u0435\u043c\u044b\u043c \u0438 \u0443\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u044b\u043c \u043a \u043e\u0448\u0438\u0431\u043a\u0430\u043c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u041a\u0430\u043a Optional \u0443\u043b\u0443\u0447\u0448\u0430\u0435\u0442 \u0447\u0438\u0442\u0430\u0435\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u0434\u0430<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412\u043c\u0435\u0441\u0442\u043e \u0433\u0440\u043e\u043c\u043e\u0437\u0434\u043a\u0438\u0445 \u043f\u0440\u043e\u0432\u0435\u0440\u043e\u043a \u0432\u0440\u043e\u0434\u0435 &#171;\u0435\u0441\u043b\u0438 \u043e\u0431\u044a\u0435\u043a\u0442 \u043d\u0435 null \u0438 \u0435\u0433\u043e \u043f\u043e\u043b\u0435 \u0442\u043e\u0436\u0435 \u043d\u0435 null, \u0442\u043e \u0441\u0434\u0435\u043b\u0430\u0439 \u0447\u0442\u043e-\u0442\u043e&#187;, \u0432\u044b \u043f\u0440\u043e\u0441\u0442\u043e \u0433\u043e\u0432\u043e\u0440\u0438\u0442\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0435: &#171;\u0415\u0441\u043b\u0438 \u0434\u0430\u043d\u043d\u044b\u0435 \u0435\u0441\u0442\u044c, \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0430\u0439 \u0438\u0445&#187;. \u042d\u0442\u043e \u0441\u043e\u043a\u0440\u0430\u0449\u0430\u0435\u0442 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0443\u0441\u043b\u043e\u0432\u0438\u0439, \u0434\u0435\u043b\u0430\u0435\u0442 \u043b\u043e\u0433\u0438\u043a\u0443 \u043e\u0447\u0435\u0432\u0438\u0434\u043d\u043e\u0439 \u0438 \u0443\u043f\u0440\u043e\u0449\u0430\u0435\u0442 \u0447\u0442\u0435\u043d\u0438\u0435 \u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u043a\u043e\u0434\u0430 \u0432 \u0431\u0443\u0434\u0443\u0449\u0435\u043c.<\/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\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f \u0438 \u0430\u043b\u044c\u0442\u0435\u0440\u043d\u0430\u0442\u0438\u0432\u044b Optional<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u041a\u043e\u0433\u0434\u0430 \u043d\u0435 \u0441\u0442\u043e\u0438\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u041e\u043d \u043d\u0435 \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u0435\u0437\u0434\u0435. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0435\u0433\u043e \u043d\u0435 \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u043e\u043b\u0435\u0439 \u043a\u043b\u0430\u0441\u0441\u043e\u0432 \u0438\u043b\u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u0442\u044c \u0432 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u2014 \u044d\u0442\u043e \u043c\u043e\u0436\u0435\u0442 \u0437\u0430\u043c\u0435\u0434\u043b\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Optional vs. \u0434\u0440\u0443\u0433\u0438\u0435 \u043f\u043e\u0434\u0445\u043e\u0434\u044b \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u043d\u0430 null<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442 \u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u043e \u0430\u043b\u044c\u0442\u0435\u0440\u043d\u0430\u0442\u0438\u0432 \u0434\u0430\u043d\u043d\u043e\u043c\u0443 \u043a\u043b\u0430\u0441\u0441\u0443 \u0434\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u043d\u0430 null, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u0430\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u0438 @Nullable \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0438\u0441\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0439. \u041e\u0434\u043d\u0430\u043a\u043e \u043e\u043d \u0447\u0430\u0441\u0442\u043e \u043e\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u0431\u043e\u043b\u0435\u0435 \u0443\u0434\u043e\u0431\u043d\u044b\u043c \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u0432\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u044b\u043c \u043c\u0435\u0442\u043e\u0434\u0430\u043c \u0438 \u0447\u0438\u0442\u0430\u0435\u043c\u043e\u0441\u0442\u0438 \u043a\u043e\u0434\u0430. \u0415\u0441\u043b\u0438 \u0432\u044b \u0437\u0430\u0434\u0443\u043c\u044b\u0432\u0430\u043b\u0438\u0441\u044c, optional java \u0447\u0442\u043e \u044d\u0442\u043e \u0438 \u043a\u0430\u043a \u043e\u043d \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u043e\u0442 \u0434\u0440\u0443\u0433\u0438\u0445 \u043c\u0435\u0442\u043e\u0434\u043e\u0432, \u0442\u043e \u043e\u0442\u0432\u0435\u0442 \u043f\u0440\u043e\u0441\u0442: \u044d\u0442\u043e \u0431\u043e\u043b\u0435\u0435 \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0439 \u0438 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u044b\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u043c \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435\u043c \u0434\u0430\u043d\u043d\u044b\u0445.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u041f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0438 \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0425\u043e\u0442\u044f Optional \u0434\u0435\u043b\u0430\u0435\u0442 \u043a\u043e\u0434 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u0435\u0435, \u043e\u043d \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u0442 \u043d\u0430\u043a\u043b\u0430\u0434\u043d\u044b\u0435 \u0440\u0430\u0441\u0445\u043e\u0434\u044b \u0438\u0437-\u0437\u0430 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432. \u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435 \u0435\u0433\u043e \u0442\u0430\u043c, \u0433\u0434\u0435 \u0447\u0438\u0442\u0430\u0435\u043c\u043e\u0441\u0442\u044c \u0438 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c \u0432\u0430\u0436\u043d\u0435\u0435 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438.<\/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\">\u0421 \u0434\u0430\u043d\u043d\u044b\u043c \u043a\u043b\u0430\u0441\u0441\u043e\u043c \u0442\u0432\u043e\u0439 \u043a\u043e\u0434 \u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u0441\u044f \u043d\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u0431\u043e\u043b\u0435\u0435 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u044b\u043c, \u043d\u043e \u0438 \u0431\u043e\u043b\u0435\u0435 \u044d\u043b\u0435\u0433\u0430\u043d\u0442\u043d\u044b\u043c. \u041f\u043e\u043f\u0440\u043e\u0431\u0443\u0439 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0435\u0433\u043e \u0432 \u0441\u0432\u043e\u0439 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u043f\u0440\u043e\u0435\u043a\u0442, \u0438, \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e, \u0442\u044b \u0431\u043e\u043b\u044c\u0448\u0435 \u043d\u0438\u043a\u043e\u0433\u0434\u0430 \u043d\u0435 \u0441\u0442\u043e\u043b\u043a\u043d\u0435\u0448\u044c\u0441\u044f \u0441 \u0442\u0430\u043a\u0438\u043c \u044f\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u043a\u0430\u043a \u043e\u0448\u0438\u0431\u043a\u0430 java lang nullpointerexception.&nbsp;<\/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>\u0412 \u043c\u0438\u0440\u0435 Java \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u0447\u0430\u0441\u0442\u043e \u0441\u0442\u0430\u043b\u043a\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u0441 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u044c\u044e \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c \u0442\u0430\u043a\u043e\u0435 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0435, \u043a\u0430\u043a java \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u043d\u0430 null. \u042d\u0442\u0430 \u0437\u0430\u0434\u0430\u0447\u0430 \u0432\u043e\u0437\u043d\u0438\u043a\u0430\u0435\u0442, \u043a\u043e\u0433\u0434\u0430 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430 \u0434\u043e\u043b\u0436\u043d\u0430 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u043e \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f, \u0447\u0442\u043e\u0431\u044b \u0438\u0437\u0431\u0435\u0436\u0430\u0442\u044c \u043e\u0448\u0438\u0431\u043e\u043a \u0438 \u0441\u0431\u043e\u0435\u0432. \u041a\u0430\u043a \u043d\u0430\u0441\u0447\u0435\u0442 \u0442\u043e\u0433\u043e, \u0447\u0442\u043e\u0431\u044b \u0443\u043f\u0440\u043e\u0441\u0442\u0438\u0442\u044c \u044d\u0442\u043e\u0442 \u043f\u0440\u043e\u0446\u0435\u0441\u0441? \u0421\u0435\u0433\u043e\u0434\u043d\u044f \u043c\u044b \u043e\u0431\u0441\u0443\u0434\u0438\u043c, \u043a\u0430\u043a \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0442\u0430\u043a, \u0447\u0442\u043e\u0431\u044b \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u043a\u043e\u0434 \u0447\u0438\u0449\u0435, \u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0443 \u2014 \u043c\u0435\u043d\u0435\u0435 \u0431\u043e\u043b\u0435\u0437\u043d\u0435\u043d\u043d\u043e\u0439. \u0410 \u043a\u043e\u0434\u0438\u0442\u044c [&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":[1],"tags":[],"class_list":["post-72263","post","type-post","status-publish","format-standard","hentry","category-learning"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 Optional \u0432 Java<\/title>\n<meta name=\"description\" content=\"\u0423\u0437\u043d\u0430\u0439\u0442\u0435 \u043f\u0440\u043e \u043a\u043b\u0430\u0441\u0441-\u043e\u0431\u0435\u0440\u0442\u043a\u0443 Optional \u0432 Java \u0438 \u043a\u0430\u043a \u043e\u043d\u0430 \u043f\u043e\u043c\u043e\u0433\u0430\u0435\u0442 \u0443\u043c\u0435\u043d\u044c\u0448\u0438\u0442\u044c \u0448\u0430\u043d\u0441 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c NullPointerException \u0432 \u0441\u0442\u0430\u0442\u044c\u0435 \u043e\u0442 FoxmindEd\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/foxminded.ua\/ru\/optional-v-java\/\" \/>\n<meta property=\"og:locale\" content=\"ru_RU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 Optional \u0432 Java\" \/>\n<meta property=\"og:description\" content=\"\u0423\u0437\u043d\u0430\u0439\u0442\u0435 \u043f\u0440\u043e \u043a\u043b\u0430\u0441\u0441-\u043e\u0431\u0435\u0440\u0442\u043a\u0443 Optional \u0432 Java \u0438 \u043a\u0430\u043a \u043e\u043d\u0430 \u043f\u043e\u043c\u043e\u0433\u0430\u0435\u0442 \u0443\u043c\u0435\u043d\u044c\u0448\u0438\u0442\u044c \u0448\u0430\u043d\u0441 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c NullPointerException \u0432 \u0441\u0442\u0430\u0442\u044c\u0435 \u043e\u0442 FoxmindEd\" \/>\n<meta property=\"og:url\" content=\"https:\/\/foxminded.ua\/ru\/optional-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=\"2025-02-27T17:54:22+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-02-27T17:54:55+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/esvt4mphmap.exactdn.com\/wp-content\/uploads\/2025\/05\/foxminded_main_logo_with_descriptor_name_orange-1.png?strip=all&quality=92&webp=92&avif=90&sharp=1\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"554\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Nemchyns\u02b9kyy Serhiy\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u041d\u0430\u043f\u0438\u0441\u0430\u043d\u043e \u0430\u0432\u0442\u043e\u0440\u043e\u043c\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nemchyns\u02b9kyy Serhiy\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u041f\u0440\u0438\u043c\u0435\u0440\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 \u043c\u0438\u043d\u0443\u0442\u044b\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/foxminded.ua\\\/ru\\\/optional-v-java\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/foxminded.ua\\\/ru\\\/optional-v-java\\\/\"},\"author\":{\"name\":\"Nemchyns\u02b9kyy Serhiy\",\"@id\":\"https:\\\/\\\/foxminded.ua\\\/#\\\/schema\\\/person\\\/cc2955ca75c958d66beb74b6b994515c\"},\"headline\":\"\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 Optional \u0432 Java \u0438 \u043a\u0430\u043a \u043e\u043d \u043f\u043e\u043c\u043e\u0433\u0430\u0435\u0442 \u0438\u0437\u0431\u0435\u0436\u0430\u0442\u044c NullPointerException\",\"datePublished\":\"2025-02-27T17:54:22+00:00\",\"dateModified\":\"2025-02-27T17:54:55+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/foxminded.ua\\\/ru\\\/optional-v-java\\\/\"},\"wordCount\":610,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/foxminded.ua\\\/#organization\"},\"articleSection\":[\"\u041e\u0431\u0443\u0447\u0435\u043d\u0438\u0435\"],\"inLanguage\":\"ru-RU\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/foxminded.ua\\\/ru\\\/optional-v-java\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/foxminded.ua\\\/ru\\\/optional-v-java\\\/\",\"url\":\"https:\\\/\\\/foxminded.ua\\\/ru\\\/optional-v-java\\\/\",\"name\":\"\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 Optional \u0432 Java\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/foxminded.ua\\\/#website\"},\"datePublished\":\"2025-02-27T17:54:22+00:00\",\"dateModified\":\"2025-02-27T17:54:55+00:00\",\"description\":\"\u0423\u0437\u043d\u0430\u0439\u0442\u0435 \u043f\u0440\u043e \u043a\u043b\u0430\u0441\u0441-\u043e\u0431\u0435\u0440\u0442\u043a\u0443 Optional \u0432 Java \u0438 \u043a\u0430\u043a \u043e\u043d\u0430 \u043f\u043e\u043c\u043e\u0433\u0430\u0435\u0442 \u0443\u043c\u0435\u043d\u044c\u0448\u0438\u0442\u044c \u0448\u0430\u043d\u0441 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c NullPointerException \u0432 \u0441\u0442\u0430\u0442\u044c\u0435 \u043e\u0442 FoxmindEd\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/foxminded.ua\\\/ru\\\/optional-v-java\\\/#breadcrumb\"},\"inLanguage\":\"ru-RU\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/foxminded.ua\\\/ru\\\/optional-v-java\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/foxminded.ua\\\/ru\\\/optional-v-java\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u0413\u043e\u043b\u043e\u0432\u043d\u0430\",\"item\":\"https:\\\/\\\/foxminded.ua\\\/ru\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 Optional \u0432 Java \u0438 \u043a\u0430\u043a \u043e\u043d \u043f\u043e\u043c\u043e\u0433\u0430\u0435\u0442 \u0438\u0437\u0431\u0435\u0436\u0430\u0442\u044c NullPointerException\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/foxminded.ua\\\/#website\",\"url\":\"https:\\\/\\\/foxminded.ua\\\/\",\"name\":\"FoxmindEd\",\"description\":\"\u0415\u0449\u0451 \u043e\u0434\u0438\u043d \u0441\u0430\u0439\u0442 \u043d\u0430 WordPress\",\"publisher\":{\"@id\":\"https:\\\/\\\/foxminded.ua\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/foxminded.ua\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ru-RU\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/foxminded.ua\\\/#organization\",\"name\":\"FoxmindEd\",\"url\":\"https:\\\/\\\/foxminded.ua\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ru-RU\",\"@id\":\"https:\\\/\\\/foxminded.ua\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/foxminded.ua\\\/wp-content\\\/uploads\\\/2024\\\/08\\\/foxminded_sign_logo_orange.webp\",\"contentUrl\":\"https:\\\/\\\/foxminded.ua\\\/wp-content\\\/uploads\\\/2024\\\/08\\\/foxminded_sign_logo_orange.webp\",\"width\":2063,\"height\":2222,\"caption\":\"FoxmindEd\"},\"image\":{\"@id\":\"https:\\\/\\\/foxminded.ua\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/foxmindedco\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/foxminded.ua\\\/#\\\/schema\\\/person\\\/cc2955ca75c958d66beb74b6b994515c\",\"name\":\"Nemchyns\u02b9kyy Serhiy\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 Optional \u0432 Java","description":"\u0423\u0437\u043d\u0430\u0439\u0442\u0435 \u043f\u0440\u043e \u043a\u043b\u0430\u0441\u0441-\u043e\u0431\u0435\u0440\u0442\u043a\u0443 Optional \u0432 Java \u0438 \u043a\u0430\u043a \u043e\u043d\u0430 \u043f\u043e\u043c\u043e\u0433\u0430\u0435\u0442 \u0443\u043c\u0435\u043d\u044c\u0448\u0438\u0442\u044c \u0448\u0430\u043d\u0441 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c NullPointerException \u0432 \u0441\u0442\u0430\u0442\u044c\u0435 \u043e\u0442 FoxmindEd","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/foxminded.ua\/ru\/optional-v-java\/","og_locale":"ru_RU","og_type":"article","og_title":"\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 Optional \u0432 Java","og_description":"\u0423\u0437\u043d\u0430\u0439\u0442\u0435 \u043f\u0440\u043e \u043a\u043b\u0430\u0441\u0441-\u043e\u0431\u0435\u0440\u0442\u043a\u0443 Optional \u0432 Java \u0438 \u043a\u0430\u043a \u043e\u043d\u0430 \u043f\u043e\u043c\u043e\u0433\u0430\u0435\u0442 \u0443\u043c\u0435\u043d\u044c\u0448\u0438\u0442\u044c \u0448\u0430\u043d\u0441 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c NullPointerException \u0432 \u0441\u0442\u0430\u0442\u044c\u0435 \u043e\u0442 FoxmindEd","og_url":"https:\/\/foxminded.ua\/ru\/optional-v-java\/","og_site_name":"FoxmindEd","article_publisher":"https:\/\/www.facebook.com\/foxmindedco\/","article_published_time":"2025-02-27T17:54:22+00:00","article_modified_time":"2025-02-27T17:54:55+00:00","og_image":[{"width":1024,"height":554,"url":"https:\/\/esvt4mphmap.exactdn.com\/wp-content\/uploads\/2025\/05\/foxminded_main_logo_with_descriptor_name_orange-1.png?strip=all&quality=92&webp=92&avif=90&sharp=1","type":"image\/png"}],"author":"Nemchyns\u02b9kyy Serhiy","twitter_card":"summary_large_image","twitter_misc":{"\u041d\u0430\u043f\u0438\u0441\u0430\u043d\u043e \u0430\u0432\u0442\u043e\u0440\u043e\u043c":"Nemchyns\u02b9kyy Serhiy","\u041f\u0440\u0438\u043c\u0435\u0440\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f":"4 \u043c\u0438\u043d\u0443\u0442\u044b"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/foxminded.ua\/ru\/optional-v-java\/#article","isPartOf":{"@id":"https:\/\/foxminded.ua\/ru\/optional-v-java\/"},"author":{"name":"Nemchyns\u02b9kyy Serhiy","@id":"https:\/\/foxminded.ua\/#\/schema\/person\/cc2955ca75c958d66beb74b6b994515c"},"headline":"\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 Optional \u0432 Java \u0438 \u043a\u0430\u043a \u043e\u043d \u043f\u043e\u043c\u043e\u0433\u0430\u0435\u0442 \u0438\u0437\u0431\u0435\u0436\u0430\u0442\u044c NullPointerException","datePublished":"2025-02-27T17:54:22+00:00","dateModified":"2025-02-27T17:54:55+00:00","mainEntityOfPage":{"@id":"https:\/\/foxminded.ua\/ru\/optional-v-java\/"},"wordCount":610,"commentCount":0,"publisher":{"@id":"https:\/\/foxminded.ua\/#organization"},"articleSection":["\u041e\u0431\u0443\u0447\u0435\u043d\u0438\u0435"],"inLanguage":"ru-RU","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/foxminded.ua\/ru\/optional-v-java\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/foxminded.ua\/ru\/optional-v-java\/","url":"https:\/\/foxminded.ua\/ru\/optional-v-java\/","name":"\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 Optional \u0432 Java","isPartOf":{"@id":"https:\/\/foxminded.ua\/#website"},"datePublished":"2025-02-27T17:54:22+00:00","dateModified":"2025-02-27T17:54:55+00:00","description":"\u0423\u0437\u043d\u0430\u0439\u0442\u0435 \u043f\u0440\u043e \u043a\u043b\u0430\u0441\u0441-\u043e\u0431\u0435\u0440\u0442\u043a\u0443 Optional \u0432 Java \u0438 \u043a\u0430\u043a \u043e\u043d\u0430 \u043f\u043e\u043c\u043e\u0433\u0430\u0435\u0442 \u0443\u043c\u0435\u043d\u044c\u0448\u0438\u0442\u044c \u0448\u0430\u043d\u0441 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c NullPointerException \u0432 \u0441\u0442\u0430\u0442\u044c\u0435 \u043e\u0442 FoxmindEd","breadcrumb":{"@id":"https:\/\/foxminded.ua\/ru\/optional-v-java\/#breadcrumb"},"inLanguage":"ru-RU","potentialAction":[{"@type":"ReadAction","target":["https:\/\/foxminded.ua\/ru\/optional-v-java\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/foxminded.ua\/ru\/optional-v-java\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u0413\u043e\u043b\u043e\u0432\u043d\u0430","item":"https:\/\/foxminded.ua\/ru\/"},{"@type":"ListItem","position":2,"name":"\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 Optional \u0432 Java \u0438 \u043a\u0430\u043a \u043e\u043d \u043f\u043e\u043c\u043e\u0433\u0430\u0435\u0442 \u0438\u0437\u0431\u0435\u0436\u0430\u0442\u044c NullPointerException"}]},{"@type":"WebSite","@id":"https:\/\/foxminded.ua\/#website","url":"https:\/\/foxminded.ua\/","name":"FoxmindEd","description":"\u0415\u0449\u0451 \u043e\u0434\u0438\u043d \u0441\u0430\u0439\u0442 \u043d\u0430 WordPress","publisher":{"@id":"https:\/\/foxminded.ua\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/foxminded.ua\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ru-RU"},{"@type":"Organization","@id":"https:\/\/foxminded.ua\/#organization","name":"FoxmindEd","url":"https:\/\/foxminded.ua\/","logo":{"@type":"ImageObject","inLanguage":"ru-RU","@id":"https:\/\/foxminded.ua\/#\/schema\/logo\/image\/","url":"https:\/\/foxminded.ua\/wp-content\/uploads\/2024\/08\/foxminded_sign_logo_orange.webp","contentUrl":"https:\/\/foxminded.ua\/wp-content\/uploads\/2024\/08\/foxminded_sign_logo_orange.webp","width":2063,"height":2222,"caption":"FoxmindEd"},"image":{"@id":"https:\/\/foxminded.ua\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/foxmindedco\/"]},{"@type":"Person","@id":"https:\/\/foxminded.ua\/#\/schema\/person\/cc2955ca75c958d66beb74b6b994515c","name":"Nemchyns\u02b9kyy Serhiy"}]}},"_links":{"self":[{"href":"https:\/\/foxminded.ua\/ru\/wp-json\/wp\/v2\/posts\/72263","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/foxminded.ua\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/foxminded.ua\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/foxminded.ua\/ru\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/foxminded.ua\/ru\/wp-json\/wp\/v2\/comments?post=72263"}],"version-history":[{"count":8,"href":"https:\/\/foxminded.ua\/ru\/wp-json\/wp\/v2\/posts\/72263\/revisions"}],"predecessor-version":[{"id":72284,"href":"https:\/\/foxminded.ua\/ru\/wp-json\/wp\/v2\/posts\/72263\/revisions\/72284"}],"wp:attachment":[{"href":"https:\/\/foxminded.ua\/ru\/wp-json\/wp\/v2\/media?parent=72263"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/foxminded.ua\/ru\/wp-json\/wp\/v2\/categories?post=72263"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/foxminded.ua\/ru\/wp-json\/wp\/v2\/tags?post=72263"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}