{"id":2579,"date":"2020-03-21T18:38:38","date_gmt":"2020-03-21T18:38:38","guid":{"rendered":"https:\/\/itteacheritfreelance.hk\/wordpress\/?p=2579"},"modified":"2020-03-21T18:44:34","modified_gmt":"2020-03-21T18:44:34","slug":"java-virtual-machine-java-se-java-me-java-ee","status":"publish","type":"post","link":"https:\/\/itteacheritfreelance.hk\/wordpress\/index.php\/2020\/03\/21\/java-virtual-machine-java-se-java-me-java-ee\/","title":{"rendered":"\u4ec0\u9ebc\u662fJava Virtual Machine, Java SE, Java ME, Java EE"},"content":{"rendered":"\n<p>Java Virtual Machine<\/p>\n\n\n\n<figure class=\"wp-block-image alignnone\"><a href=\"http:\/\/itteacheritfreelance.hk\/\" rel=\"http:\/\/itteacheritfreelance.hk\/\"><img decoding=\"async\" src=\"http:\/\/itteacheritfreelance.hk\/test\/wordpress\/wp-content\/uploads\/2016\/04\/xjvmintroduction10.png.pagespeed.ic_.BuOJYCakv4-300x203.png\" alt=\"java\u88dc\u7fd2,java\u7a0b\u5f0f\u7de8\u5beb, java\u8ab2\u7a0b\u88dc\u7fd2, java, \u5927\u5b78\u751fjava\u8ab2\u7a0b ,java 1 \u5c0d 1 \u79c1\u4eba\u96fb\u8166\u8ab2\u7a0b, java 1 \u5c0d 1 \u79c1\u4eba\u96fb\u8166\u88dc\u7fd2,java \u79c1\u4eba\u88dc\u7fd2, java \u96fb\u8166\u8208\u8da3\u73ed, java \u96fb\u8166\u88dc\u7fd2\u73ed Java Virtual Machine\" class=\"wp-image-103\"\/><\/a><figcaption>Java Virtual Machine<\/figcaption><\/figure>\n\n\n\n<p>C\u8a9e\u8a00\u7684\u958b\u767c\u6a21\u5f0f, \u662f\u7de8\u5beb.c\u7684Source Code, \u518d\u7d93\u7531Compiler\u7de8\u8b6f\u6210Object Code\u3002\u6240\u8b02Object Code\u6307\u7684\u662f\u548c\u786c\u9ad4\u76f8\u95dc\u7684\u6a5f\u5668\u6307\u4ee4, \u4e5f\u5c31\u662f\u8aaa\u7576\u6211\u5011\u60f3\u8981\u628aC\u7a0b\u5f0f\u79fb\u690d\u5230\u4e0d\u540c\u7684\u786c\u9ad4\u6642, \u5fc5\u9808\u8981\u91cd\u65b0Compile,\u4ee5\u7522\u751f\u65b0\u7684\u57f7\u884c\u6a94\u3002\u9664\u4e86\u9700\u8981\u91cd\u65b0\u7de8\u8b6f\u5916,\u65b0\u7cfb\u7d71\u662f\u5426\u5177\u5099\u61c9\u7528\u7a0b\u5f0f\u6240\u9700\u7684\u7a0b\u5f0f\u5eab,include\u7684\u6a94\u6848\u662f\u5426\u76f8\u5bb9, \u4e5f\u662f\u7a0b\u5f0f\u80fd\u5426\u5728\u65b0\u6a5f\u5668\u4e0a\u9806\u5229\u7de8\u8b6f\u548c\u57f7\u884c\u7684\u689d\u4ef6\u4e4b\u4e00\u3002<\/p>\n\n\n\n<p>\u5728\u5be6\u52d9\u4e0a,\u70ba\u4e86\u8b93C\u7a0b\u5f0f\u80fd\u5728\u4e0d\u540c\u7684UNIX\u7248\u672c\u4e0a\u90fd\u80fd\u9806\u5229\u7de8\u8b6f,\u539f\u4f5c\u8005\u5f80\u5f80\u5fc5\u9808\u4f7f\u7528\u524d\u7f6e\u8655\u7406\u5668\u7684#ifdef\u6307\u4ee4,\u5224\u65b7\u4e0d\u540c\u74b0\u5883\u7684\u9069\u7576\u5beb\u6cd5\u3002\u5982\u679c\u60f3\u628a\u5728UNIX\u4e0a\u958b\u767c\u7684C\u7a0b\u5f0f\u79fb\u690d\u5230Windows\u4e0a,\u5247\u6709\u7528\u5230\u5c08\u5c6c\u7a0b\u5f0f\u5eab\u7684\u90e8\u5206(\u5982UNIX\u7684\u4f7f\u7528\u8005\u4ecb\u9762\u53ef\u80fd\u7528\u5230X Window\u7684API,Windows\u5c31\u6c92\u6709\u652f\u63f4,\u5fc5\u9808\u4e00\u53f0\u4e00\u53f0\u704c\u7a0b\u5f0f\u5eab\u624d\u884c,\u5f88\u53ef\u80fd\u9084\u8981\u82b1\u9322\u8cb7),\u5c31\u5fc5\u9808\u91cd\u5beb\u624d\u884c\u3002<\/p>\n\n\n\n<p>\u89e3\u6c7a\u6b64\u985e\u554f\u984c\u7684\u65b9\u6cd5\u4e4b\u4e00,\u662f\u5b9a\u7fa9\u4e00\u7a2eVirtual Machine(\u865b\u64ec\u6a5f\u5668),\u8b93\u7a0b\u5f0f\u8a9e\u8a00\u7de8\u8b6f\u6642\u4e0d\u8981\u7ffb\u6210\u5be6\u9ad4\u6a5f\u5668\u7684\u6307\u4ee4,\u800c\u662f\u7ffb\u6210Virtual Machine\u7684\u76ee\u7684\u78bc\u3002Virtual Machine\u4e00\u822c\u662f\u4ee5\u8edf\u9ad4\u4f86\u6a21\u64ec\u7684,\u53ea\u8981\u65b0\u7684\u5e73\u53f0\u6709Virtual Machine,\u5247\u539f\u59cb\u7a0b\u5f0f\u4e0d\u7528Compile,\u57f7\u884c\u820a\u6a5f\u5668\u4e0a\u5df2\u6709\u7684Virtual Machine\u76ee\u7684\u78bc,\u5c31\u53ef\u4ee5\u4e86\u3002\u7576\u7136\u8981\u9054\u5230\u5b8c\u5168\u4e0d\u7528\u91cd\u65b0Compile\u5c31\u80fd\u57f7\u884c\u7684\u7406\u60f3,\u9084\u8981\u914d\u5408\u6a19\u6e96\u7684\u7a0b\u5f0f\u5eab\u624d\u884c\u3002<\/p>\n\n\n\n<p>Java\u8a9e\u8a00\u57fa\u65bc\u4e0a\u8ff0\u7406\u5ff5,\u5b9a\u7fa9\u4e86Java Virtual Machine,\u5b83\u6240\u7528\u7684\u6307\u4ee4\u7a31\u70babyte code\u3002\u4f7f\u7528Virtual Machine\u7684\u7f3a\u9ede\u4e4b\u4e00,\u662f\u57f7\u884c\u7684\u901f\u5ea6\u8f03\u6162,\u4ee3\u50f9\u662f\u958b\u767c\u7684\u901f\u5ea6\u8b8a\u5feb\u4e86\u3002\u4ee5\u73fe\u5728\u7684\u786c\u9ad4\u4f86\u8aaa,\u5927\u90e8\u5206\u61c9\u7528\u7a0b\u5f0f\u7684\u57f7\u884c\u901f\u5ea6\u5df2\u7d93\u6c92\u6709\u90a3\u9ebc\u91cd\u8981,\u53cd\u5012\u662f\u8edf\u9ad4\u7684\u958b\u767c\u901f\u5ea6\u548c\u54c1\u8cea\u8d8a\u4f86\u8d8a\u503c\u5f97\u91cd\u8996\u3002<\/p>\n\n\n\n<p>\u6b64\u5916JVM\u7684\u6280\u8853\u4e0d\u65b7\u9032\u6b65, \u8af8\u5982Just In Time(JIT) Compiler, \u6216HotSpot\u7b49\u6280\u8853\u90fd\u53ef\u4ee5\u8b93Java\u7a0b\u5f0f\u4ee5\u975e\u5e38\u63a5\u8fd1\u539f\u751f\u78bc(Native Code)\u7684\u901f\u5ea6\u57f7\u884c\u3002\u56e0\u6b64\u4e0d\u8981\u56e0\u70ba\u67d0\u4e9b\u504f\u9817\u7684\u5831\u544a\u6216\u76f4\u89ba, \u5c31\u4e0d\u4f7f\u7528Java\u4e86\u3002<\/p>\n\n\n\n<p>\u4f9d\u5e02\u5834\u9700\u6c42\u4e3b\u8981\u5340\u5206\u70ba\u4e09\u500b\u4e0d\u540c\u7684\u7a2e\u985e,\u5305\u62ec\u4e86 Java SE\u3001 Java ME \u8207 Java EE\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"content_6\">\u2022 Java SE<\/h2>\n\n\n\n<p>\u5c0d\u65bc\u60f3\u8981\u5b78\u7fd2 Java \u7a0b\u5f0f\u958b\u767c\u7684\u4f7f\u7528\u8005\u800c\u8a00,\u6700\u5148\u5fc5\u9808\u63a5\u89f8\u7684,\u4e5f\u662f\u5fc5\u5099\u7684 Java \u6280\u8853\u57fa\u790e\u662f Java SE,\u5168\u540d\u70ba Java\u2122 Java \u6a19\u6e96\u7248Standard Edition,\u4e5f\u5c31\u662f Java \u6a19\u6e96\u7248,\u9019\u4e00\u500b\u4e3b\u8981\u662f\u7528\u65bc\u958b\u767c\u684c\u9762\u61c9\u7528\u7a0b\u5f0f,\u6216\u662f\u700f\u89bd\u5668\u4e2d\u5167\u5d4c\u7684 Applet \u7a0b\u5f0f,\u4f8b\u5982\u60a8\u53ef\u4ee5\u57fa\u65bc Java SE \u958b\u767c\u4e00\u500b\u6587\u5b57\u7de8\u8f2f\u7a0b\u5f0f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"content_7\">\u2022 Java ME<\/h2>\n\n\n\n<p>\u5c0d\u65bc\u8cc7\u6e90\u53d7\u9650\u7684\u6d88\u8cbb\u6027\u96fb\u5b50\u7522\u54c1,\u4f8b\u5982\u624b\u6a5f, PDA , kios \u548c\u5176\u4ed6\u5404\u5f0f\u5d4c\u5165\u5f0f\u7cfb\u7d71,\u50cf \u9019\u985e\u7684\u8a2d\u5099\u4e0d\u82e5\u96fb\u8166\u672c\u8eab\u64c1\u6709\u8c50\u5bcc\u7684\u8cc7\u6e90(\u50cf\u5f37\u5927\u7684 CPU \u8207\u5145\u8db3\u7684\u8a18\u61b6\u9ad4) ,\u82e5\u8981\u958b\u767c\u9019\u985e\u8a2d\u5099\u4e0a\u7684\u61c9\u7528\u7a0b\u5f0f,\u53ef\u4ee5 \u4f7f\u7528 Java ME \u9019\u500b\u7248\u672c,\u5168\u540d\u70ba Java\u2122 Micro Edition,\u4e5f\u5c31\u662f Java \u5fae\u578b\u7248,\u73fe\u5728\u975e\u667a\u6167\u578b\u624b\u6a5f\u4e0a\u82e5\u8072\u7a31\u6709\u652f\u63f4 Java,\u591a\u534a\u662f \u7531\u9019\u500b\u7248\u672c\u6240\u958b\u767c\u51fa\u4f86\u7684\u7a0b\u5f0f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"content_8\">\u2022 Java EE<\/h2>\n\n\n\n<p>\u5c0d\u65bc\u5927\u578b\u3001 \u4f01\u696d\u7d1a\u7db2\u7ad9\u800c\u958b\u767c\u7684\u61c9\u7528\u7a0b\u5f0f Java \u63d0\u4f9b\u4e86 Java EE \u9019\u500b\u7248\u672c\u8b93\u8a2d\u8a08\u4eba\u54e1\u4f86\u9032\u884c\u958b\u767c,\u5168\u540d\u70ba Java\u2122 Enterprise Edition,\u4e5f\u5c31\u662f Java \u4f01\u696d\u7248,Java EE \u4ee5 Java SE \u70ba\u57fa\u790e,\u5728\u67b6\u69cb\u4e0a\u8207\u958b\u767c\u7684\u898f\u6a21\u4e0a\u90fd\u6bd4 Java SE \u9f90\u5927\u8a31\u591a,\u5728\u6240\u61c9\u7528\u7684\u6280\u8853\u4e0a,\u6bd4\u8f03\u70ba\u4eba\u6240\u8033\u719f\u80fd\u8a73\u7684\u50cf\u662f JSF\u3001Servlet\u3001EJB\u3001JAP \u7b49\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image alignnone\"><a href=\"http:\/\/itteacheritfreelance.hk\/index.php\" rel=\"http:\/\/itteacheritfreelance.hk\/index.php\"><img decoding=\"async\" src=\"http:\/\/itteacheritfreelance.hk\/test\/wordpress\/wp-content\/uploads\/2016\/04\/1-6-300x284.png\" alt=\"IT\u96fb\u8166\u88dc\u7fd2 Java SE\u3001 Java ME\u3001 Java EE \" class=\"wp-image-100\"\/><\/a><figcaption>Java EE<\/figcaption><\/figure>\n\n\n\n<p>java EE,Java\u5e73\u53f0\u4f01\u696d\u7248(Java Platform Enterprise Edition),\u662fSun\u516c\u53f8\u70ba\u4f01\u696d\u7d1a\u61c9\u7528\u63a8\u51fa\u7684\u6a19\u6e96\u5e73\u53f0\u3002 Java\u5e73\u53f0\u5171\u5206\u70ba\u4e09\u500b\u4e3b\u8981\u7248\u672cJava EE\u3001Java SE\u548cJava ME\u3002<br>Sun\u516c\u53f8\u57281998\u5e74\u767c\u8868JDK1.2\u7248\u672c\u7684\u6642\u5019,\u4f7f\u7528\u4e86\u65b0\u540d\u7a31Java 2 Platform,\u5373\u201cJava2\u5e73\u53f0\u201d,\u4fee\u6539\u5f8c\u7684JDK\u7a31\u70baJava 2 Platform Software Developing Kit,\u5373J2SDK\u3002\u4e26\u5206\u70ba\u6a19\u6e96\u7248(Standard Edition,J2SE),\u4f01\u696d\u7248(Enterprise Edition,J2EE),\u5fae\u578b\u7248(MicroEdition,J2ME)\u3002 J2EE\u4fbf\u7531\u6b64\u8a95\u751f\u3002<br>2005\u5e746\u6708,JavaOne\u5927\u6703\u53ec\u958b,SUN\u516c\u53f8\u516c\u958bJava SE 6\u3002\u6b64\u6642,Java\u7684\u5404\u7a2e\u7248\u672c\u5df2\u7d93\u66f4\u540d\u4ee5\u53d6\u6d88\u5176\u4e2d\u7684\u6578\u5b57\u201c2\u201d:J2EE\u66f4\u540d\u70baJava EE, J2SE\u66f4\u540d\u70baJava SE,J2ME\u66f4\u540d\u70baJava ME\u3002<br>\u96a8\u8457Java\u6280\u8853\u7684\u767c\u5c55,J2EE\u5e73\u53f0\u5f97\u5230\u4e86\u8fc5\u901f\u7684\u767c\u5c55,\u6210\u70baJava\u8a9e\u8a00\u4e2d\u6700\u6d3b\u8e8d\u7684\u9ad4\u7cfb\u4e4b\u4e00\u3002\u73fe\u5982\u4eca,J2EE\u4e0d\u50c5\u50c5\u662f\u6307\u4e00\u7a2e\u6a19\u6e96\u5e73\u53f0,\u5b83\u66f4\u591a\u7684\u8868\u9054\u8457\u4e00\u7a2e\u8edf\u4ef6\u67b6\u69cb\u548c\u8a2d\u8a08\u601d\u60f3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>Java Virtual Machine C\u8a9e\u8a00\u7684 <a class=\"mh-excerpt-more\" href=\"https:\/\/itteacheritfreelance.hk\/wordpress\/index.php\/2020\/03\/21\/java-virtual-machine-java-se-java-me-java-ee\/\" title=\"\u4ec0\u9ebc\u662fJava Virtual Machine, Java SE, Java ME, Java EE\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":2580,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"slim_seo":{"title":"\u4ec0\u9ebc\u662fJava Virtual Machine, Java SE, Java ME, Java EE - ITTeacherITFreelance.hk","description":"Java Virtual Machine C\u8a9e\u8a00\u7684\u958b\u767c\u6a21\u5f0f, \u662f\u7de8\u5beb.c\u7684Source Code, \u518d\u7d93\u7531Compiler\u7de8\u8b6f\u6210Object Code\u3002\u6240\u8b02Object Code\u6307\u7684\u662f\u548c\u786c\u9ad4\u76f8\u95dc\u7684\u6a5f\u5668\u6307\u4ee4, 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\u5fc5\u9808\u8981\u91cd\u65b0Compile,\u4ee5\u7522\u751f\u65b0\u7684\u57f7\u884c\u6a94\u3002\u9664\u4e86\u9700\u8981\u91cd\u65b0\u7de8\u8b6f\u5916,"},"footnotes":""},"categories":[1307],"tags":[],"_links":{"self":[{"href":"https:\/\/itteacheritfreelance.hk\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/2579"}],"collection":[{"href":"https:\/\/itteacheritfreelance.hk\/wordpress\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itteacheritfreelance.hk\/wordpress\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itteacheritfreelance.hk\/wordpress\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itteacheritfreelance.hk\/wordpress\/index.php\/wp-json\/wp\/v2\/comments?post=2579"}],"version-history":[{"count":1,"href":"https:\/\/itteacheritfreelance.hk\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/2579\/revisions"}],"predecessor-version":[{"id":2581,"href":"https:\/\/itteacheritfreelance.hk\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/2579\/revisions\/2581"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/itteacheritfreelance.hk\/wordpress\/index.php\/wp-json\/wp\/v2\/media\/2580"}],"wp:attachment":[{"href":"https:\/\/itteacheritfreelance.hk\/wordpress\/index.php\/wp-json\/wp\/v2\/media?parent=2579"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itteacheritfreelance.hk\/wordpress\/index.php\/wp-json\/wp\/v2\/categories?post=2579"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itteacheritfreelance.hk\/wordpress\/index.php\/wp-json\/wp\/v2\/tags?post=2579"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}