{"id":31609,"date":"2024-01-17T01:06:34","date_gmt":"2023-03-16T00:07:49","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%ad%a6%e4%b9%a0java%e5%9f%ba%e7%a1%80%e5%85%a5%e9%97%a8\/"},"modified":"2024-05-04T18:43:11","modified_gmt":"2024-05-04T10:43:11","slug":"%e5%ad%a6%e4%b9%a0java%e5%9f%ba%e7%a1%80%e5%85%a5%e9%97%a8","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%ad%a6%e4%b9%a0java%e5%9f%ba%e7%a1%80%e5%85%a5%e9%97%a8\/","title":{"rendered":"\u5b66\u4e60Java\u57fa\u7840\u5165\u95e8"},"content":{"rendered":"<h1>\u9996\u5148<\/h1>\n<p>\u6700\u8fd1\u6709\u5f88\u591a\u5ba3\u4f20\u7740\u300c\u5373\u4f7f\u6ca1\u6709\u7ecf\u9a8c\u4e5f\u53ef\u4ee5\u6210\u4e3a\u5de5\u7a0b\u5e08\u300d\u6216\u8005\u300c\u5373\u4f7f\u6587\u79d1\u51fa\u8eab\u4e5f\u53ef\u4ee5\u6210\u4e3a\u5de5\u7a0b\u5e08\u300d\u7684\u7f16\u7a0b\u5b66\u6821\uff0c\u6211\u5728\u516c\u53f8\u7684\u57f9\u8bad\u4e2d\u4e5f\u53d7\u76ca\u4e8e\u5176\u4e2d\u4e4b\u4e00\u3002<\/p>\n<p>\u7136\u800c\uff0c\u7531\u4e8e\u5b83\u4eec\u4e3b\u8981\u4ee5\u5728\u77ed\u671f\u5185\u5236\u4f5c\u5e94\u7528\u7a0b\u5e8f\u4e3a\u76ee\u6807\uff0c\u6211\u611f\u89c9\u5b83\u4eec\u5e76\u6ca1\u6709\u592a\u6ce8\u91cd&#8221;\u57fa\u7840&#8221;\u8fd9\u4e00\u65b9\u9762\u3002\u56e0\u6b64\uff0c\u6211\u6253\u7b97\u4e3a\u5373\u5c06\u5b66\u4e60\u7f16\u7a0b\u7684\u65b0\u4eba\uff0c\u4ee5\u53ca\u50cf\u6211\u8fd9\u6837\u611f\u89c9\u81ea\u5df1&#8221;\u57fa\u7840&#8221;\u4e0d\u8db3\u7684\u65b0\u4eba\u5de5\u7a0b\u5e08\uff0c\u5199\u4e00\u4efd\u80fd\u591f\u4f5c\u4e3aJava\u57fa\u7840\u5165\u95e8\u7684\u6750\u6599\u3002<\/p>\n<h3>\u300c\u57fa\u7840\u300d\u7684\u610f\u601d\u662f<\/h3>\n<p>\u8fc4\u4eca\u4e3a\u6b62\uff0c\u201c\u57fa\u7840\u201d\u4e00\u8bcd\u6211\u4eec\u90fd\u52a0\u4e86\u62ec\u53f7\u3002<\/p>\n<blockquote><p>\u300c\u57fa\u7840\u300d\u7684\u610f\u601d\u662f\u6307\u8ba9\u67d0\u7269\u6210\u7acb\u7684\u6839\u672c\u90e8\u5206\uff0c\u5373\u6e90\u5934\u3002\u4f8b\u5982\uff1a\u300c\u7531\u4e8e\u57fa\u7840\u624e\u5b9e\uff0c\u6240\u4ee5\u8fdb\u6b65\u5f88\u5feb\u300d\u300c\u6253\u4e0b\u57fa\u7840\u300d\u300c\u57fa\u7840\u77e5\u8bc6\u300d\u3002<\/p><\/blockquote>\n<p>\u672c\u7bc7\u5c06\u4f5c\u4e3a\u5b66\u4e60Java\u7684&#8221;\u57fa\u7840&#8221;\u7684\u7b2c\u4e00\u6b65\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>Java\u548cJVM<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u76f4\u5230\u663e\u793a\u51fa&#8221;Hello World&#8221;\u4e3a\u6b62<\/ol>\n<p>\u6211\u6253\u7b97\u5c06\u6ce8\u610f\u529b\u96c6\u4e2d\u5728\u8fd9\u4e24\u4e2a\u65b9\u9762\u4e0a\u3002<\/p>\n<h1>Java\u548cJVM<\/h1>\n<p>\u5148\u8ba9\u6211\u4eec\u6765\u770b\u4e00\u4e0bJava\u8fd9\u79cd\u7f16\u7a0b\u8bed\u8a00\u672c\u8eab\u3002<\/p>\n<h3>Java (\u53ea\u9700\u8981\u4e00\u79cd\u9009\u9879\uff0c\u4ee5\u4e2d\u6587\u672c\u5730\u5316\u5730\u590d\u8ff0)\uff1a<\/h3>\n<p>\u8ba9\u6211\u4eec\u9996\u5148\u7b80\u5355\u5730\u56de\u987e\u4e00\u4e0b\u7f16\u7a0b\u8bed\u8a00\u672c\u8eab\u3002<\/p>\n<p>\u7a0b\u5e8f\u5458\u5229\u7528\u7f16\u7a0b\u8bed\u8a00\u5411\u8ba1\u7b97\u673a\u53d1\u9001\u6307\u4ee4\u3002\u7136\u800c\uff0c\u8ba1\u7b97\u673a\u53ea\u662f\u4e00\u53f0\u901a\u8fc7\u7535\u529b\u8fd0\u884c\u7684\u8ba1\u7b97\u673a\u3002<\/p>\n<p>\u987a\u4fbf\u8bf4\u4e00\u4e0b\uff0c\u8ba1\u7b97\u673a\u8fd9\u4e2a\u8bcd\u5728\u5fb7\u8bed\u4e2d\u88ab\u79f0\u4e3a&#8221;Rechner&#8221;\uff0c\u5b83\u6765\u6e90\u4e8e\u52a8\u8bcd&#8221;rechnen&#8221;\uff0c\u610f\u601d\u662f&#8221;\u8fdb\u884c\u8ba1\u7b97&#8221;\u3002\u771f\u662f\u4e2a\u95f2\u8bdd\u3002<\/p>\n<p>\u636e\u8bf4\uff0c\u7531\u4e8e\u8ba1\u7b97\u673a\u53ea\u80fd\u63a5\u6536\u5230\u7535\u4fe1\u53f7\u7684\u4e24\u4e2a\u72b6\u6001\u2014\u2014\u5f00\u6216\u5173\uff0c\u8fc7\u53bb\u7684\u7a0b\u5e8f\u5458\u4f7f\u75280\u548c1\u7684\u4e8c\u8fdb\u5236\u6765\u7f16\u5199\u7a0b\u5e8f\u3002\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u75310\u548c1\u7ec4\u6210\u7684\u90a3\u4e9b\u4e1c\u897f\u88ab\u79f0\u4e3a\u673a\u5668\u8bed\u8a00\u3002<\/p>\n<p>\u7531\u4e8e\u4e8c\u8fdb\u5236\u7684\u4f4d\u6570\u8f83\u591a\uff0c\u6240\u4ee5\u5e38\u5e38\u4f7f\u7528\u5341\u516d\u8fdb\u5236\u6765\u8868\u793a\uff0c\u4f46\u8fd9\u5bf9\u4eba\u7c7b\u6765\u8bf4\u4ecd\u7136\u4e0d\u591f\u53cb\u597d\u3002\u56e0\u6b64\uff0c\u4e3a\u4e86\u7ed9\u673a\u5668\u8bed\u8a00\u8868\u793a\u7684\u6307\u4ee4\u8d4b\u4e88\u7c7b\u4f3c\u6635\u79f0\u7684\u4e1c\u897f\uff08\u88ab\u79f0\u4f5c&#8221;\u52a9\u8bb0\u7b26&#8221;\uff09\uff0c\u4ea7\u751f\u4e86\u4e00\u79cd\u88ab\u79f0\u4e3a&#8221;\u6c47\u7f16\u8bed\u8a00&#8221;\u7684\u4e1c\u897f\u3002<\/p>\n<p>\u7136\u800c\uff0c\u5373\u4f7f\u5982\u6b64\uff0c\u7a0b\u5e8f\u4ecd\u7136\u5bf9\u4eba\u7c7b\u6765\u8bf4\u4e0d\u591f\u6613\u61c2\uff0c\u5e76\u4e14\u968f\u7740\u65f6\u4ee3\u7684\u53d1\u5c55\uff0c\u9700\u8981\u7684\u7a0b\u5e8f\u6570\u91cf\u4e5f\u589e\u52a0\u4e86\uff0c\u590d\u6742\u6027\u4e5f\u589e\u52a0\u4e86\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u5f00\u59cb\u5f00\u53d1\u66f4\u52a0\u5bb9\u6613\u7406\u89e3\u7684\u7a0b\u5e8f\u7f16\u5199\u65b9\u6cd5\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u4e3a\u4eba\u7c7b\u670d\u52a1\u3002\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u8fd9\u79cd\u5bf9\u4eba\u7c7b\u6613\u61c2\u7684\u7f16\u7a0b\u8bed\u8a00\u88ab\u79f0\u4e3a&#8221;\u9ad8\u7ea7\u8bed\u8a00&#8221;\uff0c\u800c\u8ba1\u7b97\u673a\u6613\u4e8e\u7406\u89e3\u7684\u8bed\u8a00\u5219\u88ab\u79f0\u4e3a&#8221;\u4f4e\u7ea7\u8bed\u8a00&#8221;\u3002<\/p>\n<p>\u4eba\u7c7b\u80fd\u591f\u7406\u89e3\u7684\u4e8b\u7269\uff0c\u5bf9\u4e8e\u8ba1\u7b97\u673a\u6765\u8bf4\u5f80\u5f80\u662f\u96be\u4ee5\u7406\u89e3\u7684\u3002\u56e0\u6b64\uff0c\u7a0b\u5e8f\u5458\u9700\u8981\u5c06\u81ea\u5df1\u7f16\u5199\u7684\u4ee3\u7801\u8f6c\u5316\u4e3a\u8ba1\u7b97\u673a\u53ef\u7406\u89e3\u7684\u673a\u5668\u8bed\u8a00\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u88ab\u79f0\u4e3a\u201c\u7f16\u8bd1\u201d\uff0c\u6267\u884c\u7f16\u8bd1\u7684\u7a0b\u5e8f\u88ab\u79f0\u4e3a\u201c\u7f16\u8bd1\u5668\u201d\u3002<\/p>\n<p>\u7f16\u8bd1\u5668\u5c06\u7528\u9ad8\u7ea7\u8bed\u8a00\u7f16\u5199\u7684\u7a0b\u5e8f\u8f6c\u5316\u4e3a\u8ba1\u7b97\u673a\u53ef\u7406\u89e3\u7684\u673a\u5668\u8bed\u8a00\uff0c\u4f46\u7f16\u8bd1\u5668\u4f1a\u6839\u636e\u5177\u4f53\u7684\u8ba1\u7b97\u673a\u73af\u5883\u8fdb\u884c\u7f16\u8bd1\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u4e0d\u540c\u73af\u5883\u7684\u8ba1\u7b97\u673a\u65e0\u6cd5\u7406\u89e3\u76f8\u540c\u7684\u8f6c\u5316\u540e\u7684\u673a\u5668\u8bed\u8a00\uff0c\u56e0\u6b64\u9700\u8981\u4e00\u4e2a\u7279\u5b9a\u7684\u7f16\u8bd1\u5668\u3002<\/p>\n<p>\u7ec8\u4e8e\u5728\u8fd9\u91cc\u89c1\u5230\u4e86Java\u7684\u51fa\u73b0\u3002<\/p>\n<p>Java\u662f\u7531Sun Microsystems\u57281995\u5e74\u63a8\u51fa\u7684\u3002Java\u662f\u4e00\u79cd\u9ad8\u7ea7\u8bed\u8a00\uff0c\u5982\u524d\u6240\u8ff0\uff0c\u9700\u8981\u8fdb\u884c\u7f16\u8bd1\u5e76\u8f6c\u5316\u4e3a\u673a\u5668\u8bed\u8a00\u624d\u80fd\u8fd0\u884c\uff0c\u4f46\u4e0e\u5176\u4ed6\u8bed\u8a00\u7684\u4e0d\u540c\u4e4b\u5904\u5728\u4e8e\u5b83\u4f7f\u7528\u4e86Java\u865a\u62df\u673a\uff08JVM\uff09\u3002<\/p>\n<p>JVM\u4e3a\u8ba1\u7b97\u673a\u5206\u914d\u5185\u5b58\u5e76\u542f\u52a8\u3002\u7136\u540e\u53ef\u4ee5\u5728JVM\u4e0a\u8fd0\u884c\u7a0b\u5e8f\uff0c\u56e0\u6b64\u65e0\u9700\u62c5\u5fc3\u8ba1\u7b97\u673a\u7684\u5dee\u5f02\u3002<\/p>\n<p>\u66f4\u8be6\u7ec6\u5730\u89e3\u91ca\u4e00\u4e0b\uff0cJava\u4ee3\u7801\u4ee5\u6613\u4e8e\u4eba\u7c7b\u7406\u89e3\u7684\u65b9\u5f0f\u7f16\u5199\uff08\u6587\u4ef6\u540d\u4e3ahoge.java\uff09\uff0c\u7136\u540e\u901a\u8fc7\u7f16\u8bd1\u8f6c\u6362\u4e3a\u79f0\u4e3a\u4e2d\u95f4\u8bed\u8a00\u7684\u4e1c\u897f\uff08\u6587\u4ef6\u540d\u4e3ahoge.class\u3002\u4e2d\u95f4\u8bed\u8a00\u8fd9\u4e2a\u540d\u79f0\u4e0d\u662f\u5b98\u65b9\u540d\u79f0\uff0c\u53ea\u662f\u65b9\u4fbf\u8d77\u89c1\u79f0\u4e4b\u4e3a\u5982\u6b64\uff0c\u6b63\u786e\u7684\u540d\u79f0\u4f3c\u4e4e\u662fJava\u5b57\u8282\u7801\uff09\u3002<br \/>\n\u7136\u540e\uff0cJVM\u52a0\u8f7d\u8fd9\u4e2a\u4e2d\u95f4\u8bed\u8a00\uff0c\u5e76\u9010\u884c\u5c06\u5176\u8f6c\u6362\u4e3a\u673a\u5668\u8bed\u8a00\u5e76\u6267\u884c\u3002\u8fd9\u79cd\u9010\u884c\u8f6c\u6362\u548c\u6267\u884c\u7684\u7a0b\u5e8f\u88ab\u79f0\u4e3a\u201c\u89e3\u91ca\u5668\u201d1\u3002<\/p>\n<p>\u6362\u53e5\u8bdd\u8bf4\uff0cJava\u9700\u8981\u7ecf\u8fc7\u4e24\u6b21\u8f6c\u6362\u8fc7\u7a0b\u624d\u80fd\u88ab\u6267\u884c\u3002\uff08\u4e00\u6b21\u7531\u7f16\u8bd1\u5668\uff0c\u4e00\u6b21\u7531\u89e3\u91ca\u5668\uff09<\/p>\n<h3>JVM<br \/>\nJava\u865a\u62df\u673a<\/h3>\n<p>\u5728\u6784\u5efaJava\u73af\u5883\u65f6\uff0c\u6211\u4eec\u4f1a\u9047\u5230JDK\u548cJRE\u8fd9\u4e24\u4e2a\u4e1c\u897f\u3002<br \/>\nJDK\u662fJava\u5f00\u53d1\u5de5\u5177\u5305\uff0c\u7528\u4e8e\u5728\u4f7f\u7528Java\u8fdb\u884c\u5f00\u53d1\u65f6\u6240\u9700\u7684\u8f6f\u4ef6\u5f00\u53d1\u5de5\u5177\u5305\u3002<br \/>\n\u800cJDK\u4e2d\u5305\u542b\u7684\u662fJRE\uff08Java Runtime Environment\uff09\uff0c\u88ab\u79f0\u4e3aJava\u8fd0\u884c\u73af\u5883\u3002\u5b83\u662f\u4e00\u7ec4\u7528\u4e8e\u5728\u8ba1\u7b97\u673a\u4e0a\u8fd0\u884cJava\u5e94\u7528\u7a0b\u5e8f\u7684\u8f6f\u4ef6\uff0c\u5176\u4e2d\u5305\u62ecJVM\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d0db237434c4406beb6b8\/25-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2019-04-07 16.45.37.png\" \/><\/div>\n<h1>\u76f4\u5230\u201cHello World!\u201d\u88ab\u663e\u793a\u51fa\u6765\u3002<\/h1>\n<p>\u63a5\u4e0b\u6765\u6211\u4eec\u7b80\u5355\u5730\u786e\u8ba4\u4e00\u4e0b\u76f4\u5230\u663e\u793a&#8221;Hello World!&#8221;\u4e3a\u6b62\u7684\u8fc7\u7a0b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">HelloWorld<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"s\">\"Hello World!\"<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u8ba9\u6211\u4eec\u9996\u5148\u8fdb\u884c\u7f16\u8bd1\u3002<br \/>\njavac\u547d\u4ee4\u5c06\u7f16\u8bd1java\u6587\u4ef6\u5e76\u521b\u5efaclass\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code>javac HelloWorld.java\r\n<\/code><\/pre>\n<p>\u6267\u884c\u4e0a\u8ff0\u64cd\u4f5c\u540e\uff0c\u5c06\u751f\u6210\u4e00\u4e2a\u540d\u4e3aHelloWorld.class\u7684\u6587\u4ef6\u3002\u7136\u540e\uff0c\u6211\u4eec\u9996\u5148\u5c1d\u8bd5\u663e\u793aHello World\uff01\u901a\u8fc7\u4f7f\u7528java\u547d\u4ee4\u542f\u52a8JVM\uff0c\u5206\u6790\u5e76\u6267\u884c\u88abJava\u5b57\u8282\u7801\u7f16\u5199\u7684HelloWorld.class\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code>$ java HelloWorld\r\nHello World!\r\n<\/code><\/pre>\n<p>\u5df2\u7ecf\u5b8c\u6210\u4e86\u3002<br \/>\n\u73b0\u5728\u6211\u4eec\u6765\u786e\u8ba4\u4e00\u4e0bJava\u5b57\u8282\u7801\u3002<br \/>\n\u901a\u8fc7\u4f7f\u7528javap\u547d\u4ee4\uff0c\u53ef\u4ee5\u5c06class\u6587\u4ef6\u8f6c\u6362\u4e3a\u4eba\u7c7b\u53ef\u8bfb\u7684\u5f62\u5f0f\u3002<\/p>\n<pre class=\"post-pre\"><code>$ javap -c HelloWorld\r\nCompiled from \"HelloWorld.java\"\r\npublic class HelloWorld {\r\n  public HelloWorld();\r\n    Code:\r\n       0: aload_0\r\n       1: invokespecial #1                  \/\/ Method java\/lang\/Object.\"&lt;init&gt;\":()V\r\n       4: return\r\n\r\n  public static void main(java.lang.String[]);\r\n    Code:\r\n       0: getstatic     #2                  \/\/ Field java\/lang\/System.out:Ljava\/io\/PrintStream;\r\n       3: ldc           #3                  \/\/ String Hello World!\r\n       5: invokevirtual #4                  \/\/ Method java\/io\/PrintStream.println:(Ljava\/lang\/String;)V\r\n       8: return\r\n}\r\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u7c7b\u4ee5HelloWorld\u5f00\u5934\uff0c\u6709\u4e24\u4e2a\u51fd\u6570\uff0c\u7b2c\u4e00\u4e2a\u662f\u6784\u9020\u51fd\u6570\uff0c\u7b2c\u4e8c\u4e2a\u662f\u76f8\u5f53\u4e8emain\u51fd\u6570\u7684\u5b57\u8282\u7801\u3002\u539f\u59cb\u4ee3\u7801\u4e2d\u6ca1\u6709\u6784\u9020\u51fd\u6570\uff0c\u4f46\u4f3c\u4e4e\u662f\u81ea\u52a8\u751f\u6210\u7684\u3002\u8ba9\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u51fd\u6570\u7684\u5185\u90e8\u3002<br \/>\n\u4ee3\u7801\u7531\u4e09\u90e8\u5206\u7ec4\u6210\uff1a\u201c\u7d22\u5f15\uff1a\u6307\u4ee4 #\u5e38\u91cf\u6c60\u7f16\u53f7\u201d\u3002\u5e38\u91cf\u6c60\u662fJava\u865a\u62df\u673a\u4e2d\u4fdd\u5b58\u5e38\u91cf\u548c\u7b26\u53f7\u7684\u533a\u57df\uff0c\u5148\u6682\u65f6\u770b\u4e00\u4e0b\u3002<br \/>\n\u901a\u8fc7\u5728javap\u547d\u4ee4\u540e\u52a0\u4e0a-v\u9009\u9879\u53ef\u4ee5\u8fdb\u884c\u786e\u8ba4\u3002<\/p>\n<pre class=\"post-pre\"><code>Constant pool:\r\n   #1 = Methodref          #6.#15         \/\/ java\/lang\/Object.\"&lt;init&gt;\":()V\r\n   #2 = Fieldref           #16.#17        \/\/ java\/lang\/System.out:Ljava\/io\/PrintStream;\r\n   #3 = String             #18            \/\/ Hello World!\r\n   #4 = Methodref          #19.#20        \/\/ java\/io\/PrintStream.println:(Ljava\/lang\/String;)V\r\n   #5 = Class              #21            \/\/ HelloWorld\r\n   #6 = Class              #22            \/\/ java\/lang\/Object\r\n   #7 = Utf8               &lt;init&gt;\r\n   #8 = Utf8               ()V\r\n   #9 = Utf8               Code\r\n  #10 = Utf8               LineNumberTable\r\n  #11 = Utf8               main\r\n  #12 = Utf8               ([Ljava\/lang\/String;)V\r\n  #13 = Utf8               SourceFile\r\n  #14 = Utf8               HelloWorld.java\r\n  #15 = NameAndType        #7:#8          \/\/ \"&lt;init&gt;\":()V\r\n  #16 = Class              #23            \/\/ java\/lang\/System\r\n  #17 = NameAndType        #24:#25        \/\/ out:Ljava\/io\/PrintStream;\r\n  #18 = Utf8               Hello World!\r\n  #19 = Class              #26            \/\/ java\/io\/PrintStream\r\n  #20 = NameAndType        #27:#28        \/\/ println:(Ljava\/lang\/String;)V\r\n  #21 = Utf8               HelloWorld\r\n  #22 = Utf8               java\/lang\/Object\r\n  #23 = Utf8               java\/lang\/System\r\n  #24 = Utf8               out\r\n  #25 = Utf8               Ljava\/io\/PrintStream;\r\n  #26 = Utf8               java\/io\/PrintStream\r\n  #27 = Utf8               println\r\n  #28 = Utf8               (Ljava\/lang\/String;)V\r\n<\/code><\/pre>\n<p>\u8ba9\u6211\u4eec\u6765\u67e5\u770b\u4e3b\u51fd\u6570\u5e76\u7406\u89e3Hello World\u7684\u663e\u793a\u6d41\u7a0b\u3002<\/p>\n<pre class=\"post-pre\"><code>public static void main(java.lang.String[]);\r\n    Code:\r\n       0: getstatic     #2                  \/\/ Field java\/lang\/System.out:Ljava\/io\/PrintStream;\r\n       3: ldc           #3                  \/\/ String Hello World!\r\n       5: invokevirtual #4                  \/\/ Method java\/io\/PrintStream.println:(Ljava\/lang\/String;)V\r\n       8: return\r\n<\/code><\/pre>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u6765\u770bgetstatic\u6307\u4ee4\uff0c\u5b83\u5f15\u7528\u4e86#2\u3002\u8fd9\u8868\u793a\u6211\u4eec\u6b63\u5728\u83b7\u53d6\u5b57\u6bb5#2\uff0c\u5373java\/lang\/System.out\u7684\u503c\uff0c\u5b83\u662f\u4e00\u4e2aPrintStream\u7c7b\u578b\u7684\u5b57\u6bb5\u3002<\/p>\n<p>\u4e0b\u9762\u662fLDC\u6307\u4ee4\uff0c\u5b83\u5728\u8fd0\u884c\u65f6\u4ece\u5e38\u91cf\u6c60\u52a0\u8f7d\u5e38\u91cf\u503c\u3002<br \/>\n#3 = String #18 \/\/ \u4f60\u597d\uff0c\u4e16\u754c\uff01<br \/>\n#18 = Utf8 \u4f60\u597d\uff0c\u4e16\u754c\uff01<br \/>\n\u5728\u8fd9\u91cc\u52a0\u8f7d\u4e86\u5b57\u7b26\u4e32\u201c\u4f60\u597d\uff0c\u4e16\u754c\uff01\u201d<\/p>\n<p>\u7136\u540e\uff0c\u4f7f\u7528invokevirtual\u6307\u4ee4\u8c03\u7528\u3002<br \/>\n#4 = Methodref #19.#20 \/\/ java\/io\/PrintStream.println:(Ljava\/lang\/String;)V<br \/>\n\u5c06\u4e4b\u524d\u7684\u5b57\u7b26\u4e32\u4f5c\u4e3a\u53c2\u6570\u6765\u6267\u884cprintln\u51fd\u6570\u3002<\/p>\n<p>\u6700\u540e\u8fd4\u56de&#8221;void&#8221;\u5e76\u7ed3\u675f\u3002<br \/>\n\u8f9b\u82e6\u4e86\uff0c\u73b0\u5728\u5df2\u7ecf\u6210\u529f\u663e\u793a&#8221;Hello World!&#8221;\u3002<\/p>\n<h1>\u603b\u7ed3<\/h1>\n<p>\u6211\u5728\u5f00\u59cb\u8ba4\u771f\u5b66\u4e60Java\u65f6\uff0c\u52aa\u529b\u4ee5\u6211\u60f3\u77e5\u9053\u7684\u5185\u5bb9\u4e3a\u91cd\u70b9\uff0c\u4f46\u662f\u8981\u7b80\u6d01\u53c8\u80fd\u6293\u4f4f\u8981\u70b9\u7684\u5199\u4f5c\u786e\u5b9e\u5f88\u96be\u3002\u6211\u771f\u7684\u89c9\u5f97\u5c06\u8fd1\u4e00\u5e74\u524d\u7684\u6211\u4f1a\u60f3\u8bfb\u8fd9\u6837\u7684\u5185\u5bb9\u5417\uff1f<br \/>\n\u8bdd\u867d\u5982\u6b64\uff0c\u5982\u679c\u8fd9\u7bc7\u6587\u7ae0\u5bf9\u67d0\u4eba\u6709\u5e2e\u52a9\uff0c\u6211\u4f1a\u611f\u5230\u5e78\u8fd0\u3002\u5982\u679c\u4f60\u80fd\u56e0\u6b64\u5bf9Java\u57fa\u7840\u4ea7\u751f\u5174\u8da3\uff0c\u90a3\u5c06\u662f\u6700\u597d\u7684\u3002\u6211\u51b3\u5b9a\u597d\u597d\u5b66\u4e60Java\u57fa\u7840\uff0c\u4ee5\u4fbf\u80fd\u7ee7\u7eed\u4ee5\u8fd9\u6837\u7684\u65b9\u5f0f\u5206\u4eab\u3002<\/p>\n<p>\u5982\u679c\u6709\u4efb\u4f55\u9519\u8bef\uff0c\u8bf7\u52a1\u5fc5\u6307\u51fa\u3002\u975e\u5e38\u611f\u8c22\u3002<\/p>\n<div>\u7f16\u8bd1\u548c\u7f16\u8bd1\u5668\u662f\u6309\u7167\u82f1\u6587\u8bed\u6cd5\u8fdb\u884c\u533a\u5206\u7684\uff0c\u7136\u800c\u89e3\u91ca\u5668\u4e5f\u5e94\u8be5\u6309\u7167\u76f8\u540c\u7684\u82f1\u6587\u8bed\u6cd5\u5206\u4e3ainterpret\u548cinterpreter\uff0c\u4f46\u4e3a\u4ec0\u4e48\u6ca1\u6709\u8fdb\u884c\u8fd9\u6837\u7684\u8868\u8fbe\uff1f<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u6700\u8fd1\u6709\u5f88\u591a\u5ba3\u4f20\u7740\u300c\u5373\u4f7f\u6ca1\u6709\u7ecf\u9a8c\u4e5f\u53ef\u4ee5\u6210\u4e3a\u5de5\u7a0b\u5e08\u300d\u6216\u8005\u300c\u5373\u4f7f\u6587\u79d1\u51fa\u8eab\u4e5f\u53ef\u4ee5\u6210\u4e3a\u5de5\u7a0b\u5e08\u300d\u7684\u7f16\u7a0b\u5b66\u6821\uff0c\u6211\u5728\u516c\u53f8 [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-31609","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5b66\u4e60Java\u57fa\u7840\u5165\u95e8 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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