{"id":3472,"date":"2021-07-26T07:25:15","date_gmt":"2021-07-26T07:25:15","guid":{"rendered":"https:\/\/www.bearloga.space\/?page_id=3472"},"modified":"2021-07-26T07:25:16","modified_gmt":"2021-07-26T07:25:16","slug":"java-8-nashorn-javascript","status":"publish","type":"page","link":"https:\/\/www.bearloga.space\/en\/java-8-nashorn-javascript\/","title":{"rendered":"Java 8 \u2014 \u041d\u0430\u0448\u043e\u0440\u043d JavaScript"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u0412 Java 8, Nashorn, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u043d\u044b\u0439 \u0434\u0432\u0438\u0436\u043e\u043a javascript \u0434\u043b\u044f \u0437\u0430\u043c\u0435\u043d\u044b \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u0433\u043e Rhino.&nbsp;Nashorn \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u0432 2-10 \u0440\u0430\u0437 \u043b\u0443\u0447\u0448\u0443\u044e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c, \u0442\u0430\u043a \u043a\u0430\u043a \u043e\u043d \u043d\u0430\u043f\u0440\u044f\u043c\u0443\u044e \u043a\u043e\u043c\u043f\u0438\u043b\u0438\u0440\u0443\u0435\u0442 \u043a\u043e\u0434 \u0432 \u043f\u0430\u043c\u044f\u0442\u0438 \u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u0435\u0442 \u0431\u0430\u0439\u0442-\u043a\u043e\u0434 \u0432 JVM.&nbsp;Nashorn \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 \u0444\u0443\u043d\u043a\u0446\u0438\u044e \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0432\u044b\u0437\u043e\u0432\u0430, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043d\u0443\u044e \u0432 Java 7, \u0434\u043b\u044f \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u044f \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\">JJS<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0414\u043b\u044f \u0434\u0432\u0438\u0436\u043a\u0430 Nashorn JAVA 8 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043d\u043e\u0432\u044b\u0439 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442 \u043a\u043e\u043c\u0430\u043d\u0434\u043d\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0438,&nbsp;<strong>jjs,<\/strong>&nbsp;\u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f JavaScript-\u043a\u043e\u0434\u043e\u0432 \u043d\u0430 \u043a\u043e\u043d\u0441\u043e\u043b\u0438.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0418\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0446\u0438\u044f \u0444\u0430\u0439\u043b\u0430 JS<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u043e\u0437\u0434\u0430\u0439\u0442\u0435 \u0438 \u0441\u043e\u0445\u0440\u0430\u043d\u0438\u0442\u0435 \u0444\u0430\u0439\u043b&nbsp;<strong>sample.js<\/strong>&nbsp;\u0432&nbsp;<strong>\u043f\u0430\u043f\u043a\u0435<\/strong>&nbsp;c: \\&gt; JAVA.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">sample.js<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">print('Hello World!');<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041e\u0442\u043a\u0440\u043e\u0439\u0442\u0435 \u043a\u043e\u043d\u0441\u043e\u043b\u044c \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0443\u044e \u043a\u043e\u043c\u0430\u043d\u0434\u0443.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">C:\\JAVA&gt;jjs sample.js\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041e\u043d \u0432\u044b\u0434\u0430\u0441\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0432\u044b\u0432\u043e\u0434:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Hello World!\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">JJS \u0432 \u0438\u043d\u0442\u0435\u0440\u0430\u043a\u0442\u0438\u0432\u043d\u043e\u043c \u0440\u0435\u0436\u0438\u043c\u0435<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u041e\u0442\u043a\u0440\u043e\u0439\u0442\u0435 \u043a\u043e\u043d\u0441\u043e\u043b\u044c \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0443\u044e \u043a\u043e\u043c\u0430\u043d\u0434\u0443.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">C:\\JAVA&gt;jjs\njjs&gt; print(\"Hello, World!\")\nHello, World!\njjs&gt; quit()\n&gt;&gt;\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u041f\u0435\u0440\u0435\u0434\u0430\u0442\u044c \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u044b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u041e\u0442\u043a\u0440\u043e\u0439\u0442\u0435 \u043a\u043e\u043d\u0441\u043e\u043b\u044c \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0443\u044e \u043a\u043e\u043c\u0430\u043d\u0434\u0443.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">C:\\JAVA&gt; jjs -- a b c\njjs&gt; print('letters: ' +arguments.join(\", \"))\nletters: a, b, c\njjs&gt;\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u0412\u044b\u0437\u043e\u0432 JavaScript \u0438\u0437 Java<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f ScriptEngineManager, \u043a\u043e\u0434 JavaScript \u043c\u043e\u0436\u043d\u043e \u0432\u044b\u0437\u044b\u0432\u0430\u0442\u044c \u0438 \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0432 Java.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u043f\u0440\u0438\u043c\u0435\u0440<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u043e\u0437\u0434\u0430\u0439\u0442\u0435 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0443\u044e Java-\u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0443, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u043b\u044e\u0431\u043e\u0439 \u0440\u0435\u0434\u0430\u043a\u0442\u043e\u0440 \u043f\u043e \u0432\u0430\u0448\u0435\u043c\u0443 \u0432\u044b\u0431\u043e\u0440\u0443, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0432 C: \\&gt; JAVA.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Java8Tester.java\r\r\n\r\nimport javax.script.ScriptEngineManager;\r\nimport javax.script.ScriptEngine;\r\nimport javax.script.ScriptException;\r\n\r\npublic class Java8Tester {\r\n\r\n   public static void main(String args&#91;]) {\r\n      ScriptEngineManager scriptEngineManager = new ScriptEngineManager();\r\n      ScriptEngine nashorn = scriptEngineManager.getEngineByName(\"nashorn\");\r\n\t\t\r\n      String name = \"Mahesh\";\r\n      Integer result = null;\r\n      \r\n      try {\r\n         nashorn.eval(\"print('\" + name + \"')\");\r\n         result = (Integer) nashorn.eval(\"10 + 2\");\r\n         \r\n      } catch(ScriptException e) {\r\n         System.out.println(\"Error executing script: \"+ e.getMessage());\r\n      }\r\n      System.out.println(result.toString());\r\n   }\r\n}\r\n\u041f\u0440\u043e\u0432\u0435\u0440\u044c\u0442\u0435 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\r\n\u0421\u043a\u043e\u043c\u043f\u0438\u043b\u0438\u0440\u0443\u0439\u0442\u0435 \u043a\u043b\u0430\u0441\u0441 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430 javac \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c:\r\n\r\nC:\\JAVA>javac Java8Tester.java\r\n\u0422\u0435\u043f\u0435\u0440\u044c \u0437\u0430\u043f\u0443\u0441\u0442\u0438\u0442\u0435 Java8Tester \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c \u2014\r\n\r\nC:\\JAVA>java Java8Tester\r\n\u042d\u0442\u043e \u0434\u043e\u043b\u0436\u043d\u043e \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u043c\u0443 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0443 \u2014\r\n\r\nMahesh\r\n12\r\n\u0412\u044b\u0437\u043e\u0432 Java \u0438\u0437 JavaScript\r\n\u0412 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u043c \u043f\u0440\u0438\u043c\u0435\u0440\u0435 \u043e\u0431\u044a\u044f\u0441\u043d\u044f\u0435\u0442\u0441\u044f, \u043a\u0430\u043a \u0438\u043c\u043f\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043a\u043b\u0430\u0441\u0441\u044b Java \u0432 \u0441\u0446\u0435\u043d\u0430\u0440\u0438\u0438 Java.\r\n\r\n\u0421\u043e\u0437\u0434\u0430\u0439\u0442\u0435 \u0438 \u0441\u043e\u0445\u0440\u0430\u043d\u0438\u0442\u0435 sample.js \u0432 \u043f\u0430\u043f\u043a\u0435 C: \\> JAVA.\r\n\r\nsample.js\r\nvar BigDecimal = Java.type('java.math.BigDecimal');\r\n\r\nfunction calculate(amount, percentage) {\r\n\r\n   var result = new BigDecimal(amount).multiply(new BigDecimal(percentage)).divide(\r\n      new BigDecimal(\"100\"), 2, BigDecimal.ROUND_HALF_EVEN);\r\n   \r\n   return result.toPlainString();\r\n}\r\nvar result = calculate(568000000000000000023,13.9);\r\nprint(result);\r\n\u041e\u0442\u043a\u0440\u043e\u0439\u0442\u0435 \u043a\u043e\u043d\u0441\u043e\u043b\u044c \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0443\u044e \u043a\u043e\u043c\u0430\u043d\u0434\u0443.\r\n\r\nC:\\JAVA>jjs sample.js<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u0412 Java 8, Nashorn, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u043d\u044b\u0439 \u0434\u0432\u0438\u0436\u043e\u043a javascript \u0434\u043b\u044f \u0437\u0430\u043c\u0435\u043d\u044b \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u0433\u043e Rhino.&nbsp;Nashorn \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u0432 2-10 \u0440\u0430\u0437 \u043b\u0443\u0447\u0448\u0443\u044e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c, \u0442\u0430\u043a [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[112],"tags":[],"class_list":["post-3472","page","type-page","status-publish","hentry","category-java-8"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/pages\/3472","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/comments?post=3472"}],"version-history":[{"count":0,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/pages\/3472\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/media?parent=3472"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/categories?post=3472"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/tags?post=3472"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}