{"id":396,"date":"2023-06-27T10:30:15","date_gmt":"2023-07-06T20:37:21","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/%e5%a6%82%e4%bd%95%e7%94%a8java%e7%bc%96%e5%86%99%e4%bd%a0%e7%9a%84%e7%ac%ac%e4%b8%80%e4%b8%aa%e7%a8%8b%e5%ba%8f%e3%80%82\/"},"modified":"2025-08-02T04:07:35","modified_gmt":"2025-08-01T20:07:35","slug":"%e5%a6%82%e4%bd%95%e7%94%a8java%e7%bc%96%e5%86%99%e4%bd%a0%e7%9a%84%e7%ac%ac%e4%b8%80%e4%b8%aa%e7%a8%8b%e5%ba%8f%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%a6%82%e4%bd%95%e7%94%a8java%e7%bc%96%e5%86%99%e4%bd%a0%e7%9a%84%e7%ac%ac%e4%b8%80%e4%b8%aa%e7%a8%8b%e5%ba%8f%e3%80%82\/","title":{"rendered":"Java\u5165\u95e8\u6559\u7a0b\uff1a\u96f6\u57fa\u7840\u5982\u4f55\u7f16\u5199\u7b2c\u4e00\u4e2aJava\u7a0b\u5e8f\uff082023\u6700\u65b0\u7248\uff09"},"content":{"rendered":"<h3>\u4ecb\u7ecd<\/h3>\n<p>Java\u662f\u4e00\u79cd\u6210\u719f\u4e14\u8bbe\u8ba1\u7cbe\u826f\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u5177\u6709\u5e7f\u6cdb\u7684\u7528\u9014\uff0c\u4ece\u8bfe\u5802\u5b66\u4e60\u5230\u8fd0\u884c\u5404\u79cd\u89c4\u6a21\u7684\u5546\u4e1a\u5e94\u7528\u3002\u5b83\u7684\u4e00\u4e2a\u72ec\u7279\u4f18\u52bf\u662f\u8de8\u5e73\u53f0\u6027\uff1a\u4e00\u65e6\u60a8\u521b\u5efa\u4e86\u4e00\u4e2aJava\u7a0b\u5e8f\uff0c\u60a8\u53ef\u4ee5\u5728\u591a\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c\u5b83\uff0c\u5305\u62ec\u670d\u52a1\u5668\uff08Linux\/Unix\uff09\u3001\u684c\u9762\uff08Windows\u3001macOS\u3001Linux\uff09\u548c\u79fb\u52a8\u64cd\u4f5c\u7cfb\u7edf\uff08Android\u3001iOS\uff09\u3002<\/p>\n<p>Java\u4e4b\u6240\u4ee5\u80fd\u5b9e\u73b0\u9ad8\u6027\u80fd\uff0c\u662f\u56e0\u4e3a\u5b83\u6267\u884c\u7684\u662f\u7f16\u8bd1\u540e\u7ecf\u8fc7\u4f18\u5316\u7684\u673a\u5668\u7801\u3002\u5bf9\u4e8e\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u8fd9\u610f\u5473\u7740\u5728\u8fd0\u884c\u4e4b\u524d\u5fc5\u987b\u5148\u7f16\u8bd1\u6e90\u4ee3\u7801\u3002\u5982\u679c\u4f60\u4e60\u60ef\u4e8e\u50cfPHP\u548cPython\u8fd9\u6837\u53ef\u4ee5\u76f4\u63a5\u6267\u884c\u6e90\u4ee3\u7801\u7684\u8bed\u8a00\uff0c\u90a3\u4e48\u5148\u7f16\u8bd1\u4ee3\u7801\u5c06\u662f\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u7684\u4e00\u4e2a\u65b0\u6b65\u9aa4\u3002<\/p>\n<p>\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u60a8\u5c06\u4f7f\u7528Java\u521b\u5efa\u4e00\u4e2a&#8221;Hello, World\uff01&#8221;\u7a0b\u5e8f\u3002\u8fd9\u4e2a&#8221;Hello, World\uff01&#8221;\u7a0b\u5e8f\u662f\u8ba1\u7b97\u673a\u7f16\u7a0b\u4e2d\u7684\u7ecf\u5178\u4f20\u7edf\u3002\u5bf9\u4e8e\u521d\u5b66\u8005\u6765\u8bf4\uff0c\u5b83\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u7b2c\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u4e5f\u662f\u786e\u4fdd\u60a8\u7684\u73af\u5883\u914d\u7f6e\u6b63\u786e\u7684\u597d\u65b9\u6cd5\u3002\u901a\u8fc7\u521b\u5efa\u4e00\u4e2a&#8221;Hello, World&#8221;\u7a0b\u5e8f\uff0c\u60a8\u5c06\u5f00\u59cb\u5b66\u4e60Java\u7684\u57fa\u672c\u8bed\u6cd5\u4ee5\u53caJava\u7a0b\u5e8f\u7684\u7f16\u8bd1\u548c\u6267\u884c\u8fc7\u7a0b\u3002\u4e00\u65e6\u5b8c\u6210\uff0c\u60a8\u5c06\u80fd\u591f\u7f16\u5199\u548c\u8fd0\u884c\u57fa\u672c\u7684Java\u4ee3\u7801\u3002<\/p>\n<h2>\u524d\u63d0\u6761\u4ef6<\/h2>\n<p>\u9488\u5bf9\u672c\u6559\u7a0b\uff0c\u4f60\u5c06\u9700\u8981\uff1a<\/p>\n<ul class=\"post-ul\">\n<li>\u5728\u60a8\u7684\u673a\u5668\u4e0a\u5b89\u88c5Java\uff08\u7248\u672c11\u6216\u66f4\u9ad8\uff09\u3002\u5bf9\u4e8eUbuntu\u548cDebian\u7cfb\u7edf\uff0c\u8bf7\u6309\u7167\u6211\u4eec\u7684\u6559\u7a0b\u300a\u5982\u4f55\u5728Ubuntu 22.04\u4e0a\u4f7f\u7528Apt\u5b89\u88c5Java\u300b\u4e2d\u7684\u9009\u98791\u6b65\u9aa4\u64cd\u4f5c\u3002\u5bf9\u4e8e\u5176\u4ed6\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5305\u62ecMac\u548cWindows\uff0c\u8bf7\u67e5\u770bJava\u5b89\u88c5\u7684\u4e0b\u8f7d\u9009\u9879\u3002<\/li>\n<li>\u7531Java\u5f00\u53d1\u5de5\u5177\u5305\uff08JDK\uff09\u63d0\u4f9b\u7684\u7f16\u8bd1\u5668\u3002\u8981\u7f16\u8bd1\u6e90\u4ee3\u7801\uff0c\u60a8\u5c06\u4f7f\u7528\u540d\u4e3ajavac\u7684\u9ed8\u8ba4Java\u7f16\u8bd1\u5668\u3002\u60a8\u53ef\u4ee5\u5728\u672c\u5730\u8ba1\u7b97\u673a\u6216\u4e91\u4e2d\u7684\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u7f16\u8bd1\u6e90\u4ee3\u7801\u3002\u5bf9\u4e8eUbuntu\uff0c\u60a8\u53ef\u4ee5\u6309\u7167\u300a\u5982\u4f55\u5728Ubuntu 22.04\u4e0a\u4f7f\u7528Apt\u5b89\u88c5Java\u300b\u4e2d\u9009\u98791\u7684JDK\u5b89\u88c5\u8bf4\u660e\u8fdb\u884c\u64cd\u4f5c\u3002\u5bf9\u4e8e\u5176\u4ed6\u5e73\u53f0\uff0c\u8bf7\u53c2\u9605Oracle\u7684JDK\u5b89\u88c5\u6307\u5357\u6216\u5b89\u88c5OpenJDK\u7248\u672c11\u6216\u66f4\u9ad8\u7248\u672c\u7684\u5b98\u65b9\u8bf4\u660e\u3002\uff08\u53ef\u9009\uff09\u4e00\u4e2a\u7528\u4e8e\u6267\u884c\u7f16\u8bd1\u4ee3\u7801\u7684Java\u8fd0\u884c\u65f6\u73af\u5883\uff08JRE\uff09\u3002JRE\u662fJDK\u7684\u4e00\u90e8\u5206\uff0c\u6240\u4ee5\u5982\u679c\u60a8\u5df2\u7ecf\u5b89\u88c5\u4e86JDK\uff0c\u5c31\u4e0d\u5fc5\u989d\u5916\u5b89\u88c5JRE\u3002\u5426\u5219\uff0c\u60a8\u53ef\u4ee5\u5355\u72ec\u5b89\u88c5JRE\u3002\u5982\u679c\u60a8\u6253\u7b97\u5728\u4e0d\u60f3\u51fa\u4e8e\u5b89\u5168\u539f\u56e0\u7f16\u8bd1\u4ee3\u7801\u7684\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u8fd0\u884c\u4ee3\u7801\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5f88\u6709\u7528\u3002\u5728\u8fd9\u79cd\u9762\u5411\u670d\u52a1\u5668\u7684\u60c5\u51b5\u4e0b\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u672c\u5730\u5305\u7ba1\u7406\u5668\u4e0b\u8f7d\u5e76\u5b89\u88c5JRE\u3002\u5bf9\u4e8eUbuntu\u548cDebian\uff0c\u4f7f\u7528sudo apt install openjdk-11-jre\u547d\u4ee4\u3002\u5bf9\u4e8e\u5176\u4ed6\u53d1\u884c\u7248\uff0c\u4f7f\u7528\u76f8\u5e94\u7684\u5305\u7ba1\u7406\u5668\u5e76\u641c\u7d22\u5173\u952e\u5b57jre\uff0c\u9009\u62e9\u7248\u672c11\u6216\u66f4\u9ad8\u7248\u672c\u3002<\/li>\n<li>\u4e00\u4e2a\u7528\u4e8e\u6267\u884c\u547d\u4ee4\u7684\u7ec8\u7aef\u3002Java\u5728\u6240\u6709\u4e3b\u8981\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u90fd\u5f97\u5230\u5f88\u597d\u7684\u652f\u6301\uff0c\u8fd9\u610f\u5473\u7740\u60a8\u53ef\u4ee5\u5728\u672c\u5730\u8ba1\u7b97\u673a\u4e0a\u6309\u7167\u8bf4\u660e\u64cd\u4f5c\uff0c\u5e76\u4f7f\u7528\u7ec8\u7aef\u8fde\u63a5\u5230\u8fdc\u7a0b\u670d\u52a1\u5668\u3002\u6709\u5173\u8fde\u63a5\u5230\u8fdc\u7a0b\u670d\u52a1\u5668\u7684\u6307\u5bfc\uff0c\u8bf7\u9075\u5faa\u6211\u4eec\u7684\u300a\u521d\u59cb\u670d\u52a1\u5668\u8bbe\u7f6e\u6307\u5357\u300b\u3002<\/li>\n<li>\u4e00\u4e2a\u6587\u672c\u7f16\u8f91\u5668\uff0c\u5982nano\u3002\u8981\u5f00\u59cb\u7f16\u5199Java\u4ee3\u7801\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u6587\u672c\u7f16\u8f91\u5668\u3002\u4f46\u662f\uff0c\u4e3a\u4e86\u63d0\u9ad8\u7f16\u7801\u6548\u7387\uff0c\u8003\u8651\u4f7f\u7528\u96c6\u6210\u5f00\u53d1\u73af\u5883\uff08IDE\uff09\uff0c\u5982Eclipse IDE\u3002IDE\u5f88\u6709\u7528\uff0c\u56e0\u4e3a\u5b83\u4eec\u53ef\u4ee5\u7ea0\u6b63\u60a8\u7684\u8bed\u6cd5\uff0c\u81ea\u52a8\u5b8c\u6210\u60a8\u7684\u4ee3\u7801\uff0c\u5e76\u5141\u8bb8\u60a8\u76f4\u63a5\u6d4b\u8bd5\u4ee3\u7801\uff0c\u4ece\u800c\u7701\u53bb\u624b\u52a8\u7f16\u8bd1\u7684\u6b65\u9aa4\u3002\u4f46\u662f\uff0cIDE\u5e76\u4e0d\u603b\u662f\u76f4\u89c2\u7684\uff0c\u5982\u679c\u60a8\u4ee5\u524d\u6ca1\u6709\u4f7f\u7528\u8fc7\uff0c\u53ef\u80fd\u4f1a\u8ba9\u60a8\u611f\u5230\u56f0\u60d1\u3002\u5bf9\u4e8e\u60a8\u7684\u7b2c\u4e00\u4e2aJava\u7a0b\u5e8f\uff0c\u4f7f\u7528\u60a8\u4e60\u60ef\u7684\u6587\u672c\u7f16\u8f91\u5668\u53ef\u80fd\u4f1a\u66f4\u5bb9\u6613\u3002<\/li>\n<\/ul>\n<h2>\u4f7f\u7528Java\u7f16\u5199\u548c\u6267\u884c&#8221;Hello, World!&#8221;\u7a0b\u5e8f<\/h2>\n<p>\u5bf9\u8bb8\u591a\u4eba\u800c\u8a00\uff0c\u4ed6\u4eec\u7684\u7b2c\u4e00\u4e2aJava\u7a0b\u5e8f\u5f80\u5f80\u4e5f\u662f\u4ed6\u4eec\u6700\u540e\u4e00\u4e2aJava\u7a0b\u5e8f\u3002\u95ee\u9898\u5728\u4e8e\uff0c\u5373\u4f7f\u662f\u6700\u7b80\u5355\u7684\u4ee3\u7801\u4f3c\u4e4e\u4e5f\u592a\u590d\u6742\u4e86\uff0c\u800c\u4e14\u4f60\u5fc5\u987b\u5b66\u4e60\u8bb8\u591a\u65b0\u7684\u4e1c\u897f\u624d\u80fd\u5b8c\u5168\u7406\u89e3\u5b83\u3002\u4e3a\u4e86\u907f\u514d\u8fd9\u4e2a\u5e38\u89c1\u9677\u9631\uff0c\u4f60\u5c06\u9996\u5148\u7f16\u5199\u4ee3\u7801\uff0c\u8fd0\u884c\u5b83\uff0c\u7136\u540e\u770b\u5b83\u662f\u5982\u4f55\u5de5\u4f5c\u7684\u3002<\/p>\n<p>\u5f00\u59cb\u64cd\u4f5c\uff0c\u521b\u5efa\u4e00\u4e2a\u540d\u4e3ahello-world\u7684\u65b0\u76ee\u5f55\uff0c\u7528\u4e8e\u5b58\u653e\u672c\u6559\u7a0b\u7684\u4ee3\u7801\u3002\u8981\u521b\u5efa\u4e00\u4e2a\u9879\u76ee\u76ee\u5f55\u5e76\u8fdb\u5165\u5176\u4e2d\uff0c\u8bf7\u5728\u7ec8\u7aef\u4e2d\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol>\r\n    <li data-prefix=\"$\"><span class=\"token function\">mkdir<\/span> <mark>hello-world<\/mark><\/li>\r\n    <li data-prefix=\"$\"><span class=\"token builtin class-name\">cd<\/span> <mark>hello-world<\/mark><\/li>\r\n<\/ol><\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u4f7f\u7528nano\u6216\u4f60\u559c\u6b22\u7684\u6587\u672c\u7f16\u8f91\u5668\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aHello.java\u7684\u6587\u4ef6\u3002\u5bf9\u4e8enano\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol>\r\n    <li data-prefix=\"$\"><span class=\"token function\">nano<\/span> Hello.java<\/li>\r\n<\/ol><\/code><\/pre>\n<p>\u8bf7\u5c06\u4ee5\u4e0b\u4ee3\u7801\u6dfb\u52a0\u5230\u60a8\u7684\u6587\u4ef6\u4e2d\u3002\u8fd9\u662f\u6253\u5370&#8221;\u4f60\u597d\uff0c\u4e16\u754c\uff01&#8221;\u6d88\u606f\u5230\u63a7\u5236\u53f0\u7684\u6700\u57fa\u672c\u7684\u4ee3\u7801\u3002<\/p>\n<div>\u4f60\u597d\uff0c\u4e16\u754c\/Hello.java<\/div>\n<h2>Java &#8220;Hello, World!&#8221;\u7a0b\u5e8f\u793a\u4f8b<\/h2>\n<pre class=\"post-pre\"><code>public class Hello {\r\n    public static void main(String[] args) {\r\n        System.out.println(\"Hello, World!\");\r\n    }\r\n}<\/code><\/pre>\n<p>\u8fd9\u4e2a\u7a0b\u5e8f\u5c06\u5411\u63a7\u5236\u53f0\u6253\u5370\u6d88\u606f&#8221;Hello, World!&#8221;\u3002\u6587\u4ef6\u540d\uff08\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u662f\u4e00\u4e2a\u6269\u5c55\u540d\u4e3a.java\u7684Hello\uff09\u5fc5\u987b\u4e0e\u6e90\u4ee3\u7801\u4e2d\u7684\u516c\u5171\u7c7b\u540dHello\u76f8\u5339\u914d\u3002\u5728\u6e90\u4ee3\u7801\u4e2d\u5339\u914d\u6587\u4ef6\u540d\u548c\u516c\u5171\u7c7b\u540d\u662fJava\u7684\u7ea6\u5b9a\uff08\u8fd9\u5bf9\u4e8e\u8bb0\u4f4f\u5f88\u6709\u5e2e\u52a9\uff0c\u56e0\u4e3a\u5982\u679c\u4f60\u627e\u5230\u4e00\u4e9b\u6709\u7528\u7684\u4ee3\u7801\uff0c\u4f60\u5c31\u4f1a\u77e5\u9053\u5982\u4f55\u547d\u540dJava\u6e90\u4ee3\u7801\u6587\u4ef6\uff09\u3002<\/p>\n<p>\u4fdd\u5b58\u5e76\u5173\u95ed\u60a8\u7684\u6587\u4ef6\u3002\u4f7f\u7528nano\u547d\u4ee4\uff0c\u6309\u4e0bCTRL+X\u9000\u51fa\uff0c\u6309Y\u4fdd\u5b58\uff0c\u6309ENTER\u786e\u8ba4\u6587\u4ef6\u540d\u5e76\u5173\u95ed\u6587\u4ef6\u3002<\/p>\n<p>\u5728\u7ec8\u7aef\u4e2d\uff0c\u4ece\u4e0eHello.java\u6587\u4ef6\u4f4d\u4e8e\u76f8\u540c\u7684\u76ee\u5f55\u4e0b\u8fd0\u884cjavac\u547d\u4ee4\uff0c\u4ee5\u4fbf\u5c06\u4ee3\u7801\u7f16\u8bd1\u3002<\/p>\n<pre class=\"post-pre\"><code>javac Hello.java<\/code><\/pre>\n<p>\u6e90Java\u4ee3\u7801\u5fc5\u987b\u4f7f\u7528javac\u7f16\u8bd1\uff0c\u5e76\u5305\u542b\u5b8c\u6574\u7684\u6587\u4ef6\u540d\u3002<\/p>\n<p>\u6700\u540e\uff0c\u4f7f\u7528Java\u53ef\u6267\u884c\u6587\u4ef6\u6765\u6267\u884c\u8be5\u7a0b\u5e8f\uff0c\u5c31\u50cf\u8fd9\u6837\uff1a<\/p>\n<pre class=\"post-pre\"><code>java Hello<\/code><\/pre>\n<p>\u8981\u6267\u884c\u5df2\u7f16\u8bd1\u7684\u4ee3\u7801\uff0c\u4f60\u9700\u8981\u8fd0\u884cjava\uff0c\u7136\u540e\u662f\u7c7b\u7684\u540d\u79f0\uff08\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\u662fHello\uff09\u3002\u5f53\u6267\u884c\u4ee3\u7801\u65f6\uff0c\u4e0d\u80fd\u4f7f\u7528\u4efb\u4f55\u6587\u4ef6\u6269\u5c55\u540d\uff0c\u4f8b\u5982.java\u6216.class\u3002<\/p>\n<p>\u4f60\u7684\u8f93\u51fa\u5c06\u4f1a\u662f\u8fd9\u6837\u7684\u3002<\/p>\n<div>\n<pre class=\"post-pre\"><code>Hello, World!<\/code><\/pre>\n<\/div>\n<p>\u4f60\u7684\u7a0b\u5e8f\u8fd0\u884c\u6210\u529f\u4e86\uff01\u4f60\u521b\u5efa\u4e86\u4e00\u4e2a\u57fa\u672c\u7684Java\u7a0b\u5e8f\uff0c\u8fdb\u884c\u4e86\u7f16\u8bd1\u548c\u6267\u884c\u3002\u63a5\u4e0b\u6765\uff0c\u4f60\u5c06\u4f1a\u770b\u5230\u5b83\u662f\u5982\u4f55\u8fd0\u4f5c\u7684\u3002<\/p>\n<h2>\u7406\u89e3&#8221;Hello, World!&#8221;\u7a0b\u5e8f<\/h2>\n<p>\u5982\u679c\u4f60\u4e60\u60ef\u7528Python\u6216JavaScript\u7f16\u5199\u4ee3\u7801\uff0c\u4f60\u4f1a\u53d1\u73b0\u5373\u4f7f\u5728\u4e00\u4e2a\u5c0f\u7a0b\u5e8f\u4e2d\uff0cJava\u4e5f\u6709\u4e00\u4e9b\u4e0d\u540c\u4e4b\u5904\u3002\u6bcf\u4e2aJava\u7a0b\u5e8f\u81f3\u5c11\u9700\u8981\u4e24\u6837\u4e1c\u897f\uff1a<\/p>\n<ul class=\"post-ul\">\n<li>\u4e00\u4e2a\u7528\u4e8e\u7f16\u5199\u4ee3\u7801\u7684\u7c7b\u3002<\/li>\n<li>\u4e00\u4e2a\u5728\u4f60\u7684\u7c7b\u4e2d\u7684\u4e3b\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<p>\u4f60\u9700\u8981\u4e00\u4e2a\u7c7b\uff0c\u56e0\u4e3aJava\u662f\u9762\u5411\u5bf9\u8c61\u7684\u8bed\u8a00\uff0c\u6240\u6709\u7684\u4ee3\u7801\u90fd\u5fc5\u987b\u662f\u7c7b\u7684\u4e00\u90e8\u5206\u3002\u7c7b\u662f\u5177\u6709\u529f\u80fd\u76f8\u5173\u4ee3\u7801\u7684\u96c6\u5408\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u5b83\u4eec\u65e0\u6cd5\u72ec\u7acb\u8fd0\u884c\uff0c\u800c\u662f\u4f5c\u4e3a\u6a21\u677f\u6765\u521b\u5efa\u5bf9\u8c61\u3002\u5bf9\u8c61\u662f\u7c7b\u7684\u4e00\u4e2a\u5177\u4f53\u5b9e\u4f8b\uff0c\u5728\u4f60\u7684\u4ee3\u7801\u4e2d\u53ef\u4ee5\u4f7f\u7528\u3002\u5bf9\u8c61\u5177\u6709\u5c5e\u6027\uff0c\u5e76\u4e14\u5f53\u89e6\u53d1\u5b83\u4eec\u7684\u65b9\u6cd5\u65f6\u53ef\u4ee5\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002<\/p>\n<p>\u5728\u4f60\u7684\u7a0b\u5e8f\u4e2d\uff0c\u8fd9\u4e2a\u7c7b\u53eb\u505aHello:<\/p>\n<div>\n<h3>\u4f60\u597d\uff0c\u4e16\u754c\/Hello.java<\/h3>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"1\"><mark><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Hello<\/span> <span class=\"token punctuation\">{<\/span><\/mark><\/li>\n<li data-prefix=\"2\"><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><\/li>\n<li data-prefix=\"3\"><span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#8220;Hello, World!&#8221;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/li>\n<li data-prefix=\"4\"><span class=\"token punctuation\">}<\/span><\/li>\n<li data-prefix=\"5\"><span class=\"token punctuation\">}<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<\/div>\n<p>\u4ee3\u7801\u7684\u7b2c\u4e00\u884c\u8868\u793a\u7c7b\u7684\u5f00\u59cb\u3002\u7c7b\u603b\u662f\u4ee5class\u5f00\u5934\uff0c\u540e\u9762\u8ddf\u7740\u5b83\u4eec\u7684\u540d\u79f0\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u7c7b\u7684\u540d\u79f0\u662fHello\uff0c\u5e76\u4e14\u4e0e\u5e26\u6709.java\u6269\u5c55\u540d\u7684\u6587\u4ef6\u7684\u540d\u79f0\u5339\u914d\u3002\u7136\u540e\uff0c\u5728\u4ee3\u7801\u7247\u6bb5\u7684\u672b\u5c3e\u6709\u4e00\u4e2a\u5de6\u5927\u62ec\u53f7({)\u548c\u4e00\u4e2a\u53f3\u5927\u62ec\u53f7(})\uff0c\u4f60\u53ef\u4ee5\u5728\u5176\u4e2d\u653e\u7f6e\u7c7b\u7684\u4ee3\u7801\u3002<\/p>\n<p>\u8fd9\u4e2a\u7c7b\u6709\u4e00\u4e2a\u8bbf\u95ee\u4fee\u9970\u7b26\uff08\u65b9\u6cd5\u4e5f\u6709\uff09\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5b83\u662f\u516c\u5171\u7684\uff0c\u610f\u5473\u7740\u5b83\u662f\u5b8c\u5168\u53ef\u8bbf\u95ee\u7684\u3002<\/p>\n<p>\u5728\u6bcf\u4e2a\u6587\u4ef6\u4e2d\u53ea\u4f7f\u7528\u4e00\u4e2a\u7c7b\u662f\u6700\u4f73\u5b9e\u8df5\uff0c\u8fd9\u6837\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u6613\u8bfb\u3002\u7136\u800c\uff0c\u6ca1\u6709\u7c7b\u4f3c\u7684\u5b98\u65b9\u8981\u6c42\uff0c\u53ef\u4ee5\u5728\u4e00\u4e2a\u6587\u4ef6\u4e2d\u62e5\u6709\u65e0\u9650\u6570\u91cf\u7684\u7c7b\u3002\u4e0d\u8fc7\uff0c\u6709\u4e00\u4e2a\u9650\u5236\uff0c\u90a3\u5c31\u662f\u5728\u4e00\u4e2a\u6587\u4ef6\u4e2d\u53ea\u80fd\u6709\u4e00\u4e2a\u7c7b\u662f\u516c\u5171\u7684\uff0c\u5e76\u4e14\u5b83\u5e94\u8be5\u5177\u6709\u76f8\u540c\u7684\u5927\u5c0f\u5199\u654f\u611f\u540d\u79f0\u3002<\/p>\n<p>\u9664\u4e86\u4e00\u4e2a\u7c7b\u4e4b\u5916\uff0c\u4f60\u7684\u7a0b\u5e8f\u8fd8\u6709\u4e00\u4e2a\u4e3b\u65b9\u6cd5\u3002\u4e3b\u65b9\u6cd5\u662f\u4e00\u4e2a\u7c7b\u6267\u884c\u7684\u8d77\u59cb\u70b9\uff0c\u5bf9\u4e8e\u672c\u6559\u7a0b\u6765\u8bf4\uff0c\u4e5f\u662f\u6574\u4e2a\u7a0b\u5e8f\u7684\u8d77\u59cb\u70b9\u3002\u5b83\u6709\u4e00\u4e2a\u975e\u5e38\u7279\u5b9a\u7684\u8bed\u6cd5\uff1apublic static void main(String[] args)\u3002<\/p>\n<div>\n<h3>\u4f60\u597d\u4e16\u754c\/Hello.java<\/h3>\n<pre class=\"post-pre\"><code>public class Hello {\r\n    public static void main(String[] args) {\r\n        System.out.println(\"Hello, World!\");\r\n    }\r\n}<\/code><\/pre>\n<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"1\"><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Hello<\/span> <span class=\"token punctuation\">{<\/span><\/li>\n<li data-prefix=\"2\"><mark><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span><\/mark> <span class=\"token punctuation\">{<\/span><\/li>\n<li data-prefix=\"3\"><span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#8220;\u4f60\u597d\uff0c\u4e16\u754c\uff01&#8221;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/li>\n<li data-prefix=\"4\"><span class=\"token punctuation\">}<\/span><\/li>\n<li data-prefix=\"5\"><span class=\"token punctuation\">}<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p><code>public<\/code>\u662f\u8bbf\u95ee\u4fee\u9970\u7b26\uff0c\u610f\u5473\u7740\u5728\u8c03\u7528\u8be5\u65b9\u6cd5\u65f6\u6ca1\u6709\u4efb\u4f55\u9650\u5236\u3002<\/p>\n<p><code>static<\/code>\u662f\u4e00\u4e2a\u7279\u6b8a\u7684\u5173\u952e\u5b57\uff0c\u8868\u793a\u8be5\u65b9\u6cd5\uff08\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff09\u6216\u5c5e\u6027\u4e0d\u9700\u8981\u663e\u5f0f\u5730\u521b\u5efa\u4e00\u4e2a\u65b0\u5bf9\u8c61\uff0c\u4ee5\u4fbf\u60a8\u80fd\u591f\u8c03\u7528\u5b83\u3002\u5b83\u6709\u5f88\u591a\u7528\u9014\uff0c\u7279\u522b\u662f\u89e3\u51b3\u4e86\u53ef\u80fd\u51fa\u73b0\u7684&#8221;\u5148\u6709\u9e21\u8fd8\u662f\u5148\u6709\u86cb&#8221;\u7684\u60c5\u51b5\uff0c\u5176\u4e2d\u67d0\u4e9b\u4ee3\u7801\u5e94\u8be5\u80fd\u591f\u521b\u5efa\u7a0b\u5e8f\u7684\u7b2c\u4e00\u4e2a\u5bf9\u8c61\uff0c\u800c\u4e0d\u5fc5\u4f5c\u4e3a\u5bf9\u8c61\u7684\u4e00\u90e8\u5206\u3002<\/p>\n<p><code>void<\/code> \u662f\u4e00\u79cd\u8fd4\u56de\u7c7b\u578b\uff0c\u610f\u5473\u7740\u6ca1\u6709\u4efb\u4f55\u4e1c\u897f\u8fd4\u56de\u7ed9\u8c03\u7528\u8005\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u60a8\u5c06\u4f1a\u5c06\u4e00\u6761\u6d88\u606f\u6253\u5370\u5230\u5c4f\u5e55\u4e0a\uff0c\u5e76\u76f4\u63a5\u6d88\u8017\u6267\u884c\u7ed3\u679c\u3002\u5c3d\u7ba1\u8fd9\u91cc\u7684 void \u4e0d\u8fd4\u56de\u4efb\u4f55\u4e1c\u897f\uff0c\u4f46\u5728\u5176\u4ed6\u60c5\u51b5\u4e0b\uff0c\u65b9\u6cd5\u901a\u5e38\u8fd4\u56de\u5404\u79cd\u4fe1\u606f\uff0c\u4f8b\u5982\u5b57\u6bcd\u6570\u5b57\u5b57\u7b26\u3001\u6574\u6570\u6216\u5bf9\u8c61\u3002<\/p>\n<p>\u53c2\u6570 <code>String[] args<\/code> \u662f main \u65b9\u6cd5\u7684\u8f93\u5165\u3002\u5b57\u7b26\u7684\u5b57\u7b26\u4e32\uff0c\u6216\u8005\u5b57\u7b26\u4e32\uff0c\u5b58\u50a8\u5b57\u6bcd\u6570\u5b57\u4fe1\u606f\u3002\u65b9\u62ec\u53f7 (<code>[]<\/code>) \u8868\u793a\u8fd9\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u800c\u4e0d\u4ec5\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u8fd9\u4e2a\u6570\u7ec4\u7684\u540d\u79f0\u662f args\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cmain()\u6ca1\u6709\u4efb\u4f55\u53c2\u6570\uff0c\u4f46\u5982\u679c\u6709\u7684\u8bdd\uff0c\u5b83\u4eec\u5c06\u5305\u542b\u5728\u8fd9\u4e2a\u6570\u7ec4\u4e2d\u3002<\/p>\n<p>\u5982\u679c\u4f60\u9057\u6f0f\u4e86\u4e3b\u65b9\u6cd5\u7684\u4efb\u4f55\u5c5e\u6027\uff0c\u6bd4\u5982\u5b83\u662f\u516c\u5171\u7684\u8fd9\u4e2a\u4e8b\u5b9e\uff0c\u53ef\u80fd\u4e0d\u4f1a\u51fa\u73b0\u8bed\u6cd5\u9519\u8bef\uff0c\u4f46\u5b83\u53ef\u80fd\u65e0\u6cd5\u6309\u9884\u671f\u8fd0\u884c\uff08\u4f5c\u4e3a\u8d77\u70b9\uff09\u3002<\/p>\n<p>\u8981\u5c06\u6587\u672c\u6253\u5370\u5230\u63a7\u5236\u53f0\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>System.out.println()<\/code> \u65b9\u6cd5\u3002<\/p>\n<div>\u4f60\u597d\uff0c\u4e16\u754c\/Hello.java<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"1\"><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Hello<\/span> <span class=\"token punctuation\">{<\/span><\/li>\n<li data-prefix=\"2\"><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><\/li>\n<li data-prefix=\"3\"><mark><span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#8220;\u4f60\u597d\uff0c\u4e16\u754c\uff01&#8221;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/mark><\/li>\n<li data-prefix=\"4\"><span class=\"token punctuation\">}<\/span><\/li>\n<li data-prefix=\"5\"><span class=\"token punctuation\">}<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<\/div>\n<p>\u65b9\u6cd5\uff08method\uff09\u544a\u8bc9\u8ba1\u7b97\u673a\u6267\u884c\u67d0\u4e2a\u52a8\u4f5c\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5b83\u4f7f\u7528\u62ec\u53f7\u6765\u5224\u65ad\u5b83\u662f\u4e00\u4e2a\u65b9\u6cd5\uff1a<code>()<\/code>\u3002\u8fd9\u4e2a\u65b9\u6cd5\u672c\u8eab\u662f<code>println()<\/code>\uff0c\u5b83\u63a5\u53d7\u4e00\u4e2a\u53c2\u6570\u6765\u6307\u5b9a\u8981\u6253\u5370\u7684\u6587\u672c\u3002<code>System.out<\/code>\u5728\u65b9\u6cd5\u4e4b\u524d\u6307\u5b9a\u4e86\u8be5\u65b9\u6cd5\u662f\u6838\u5fc3Java\uff08System\uff09\u8f93\u51fa\u529f\u80fd\u7684\u4e00\u90e8\u5206\u3002<\/p>\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u60a8\u6b63\u5728\u4f7f\u7528\u6765\u81ea<code>out<\/code>\u5b50\u5305\u7684\u4e00\u79cd\u65b9\u6cd5\uff0c\u8be5\u5b50\u5305\u662f\u7236\u5305<code>System<\/code>\u7684\u4e00\u90e8\u5206\u3002\u4e3a\u4e86\u66f4\u597d\u5730\u4e86\u89e3Java\u4e2d\u7c7b\u662f\u5982\u4f55\u7ec4\u7ec7\u7684\uff0c\u53ef\u4ee5\u60f3\u8c61\u7c7b\u7684\u5c42\u6b21\u7ed3\u6784\u7c7b\u4f3c\u4e8e\u6587\u4ef6\u7cfb\u7edf\uff0c\u5176\u4e2d\u7236\u6587\u4ef6\u5939\u548c\u76f8\u5173\u7684\u4f9d\u8d56\u5b50\u6587\u4ef6\u5939\u3002\u5728Java\u4e2d\uff0c\u8fd9\u4e9b\u6587\u4ef6\u5939\u88ab\u79f0\u4e3a\u5305\uff08package\uff09\u3002\u76f8\u5173\u7684\u7c7b\u6839\u636e\u5c42\u6b21\u7ed3\u6784\u7684\u7c92\u5ea6\u653e\u7f6e\u5728\u4e00\u4e2a\u5305\u6216\u5b50\u5305\u4e2d\u3002<\/p>\n<p><code>System.out.println()<\/code>\u7684\u53c2\u6570\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\uff1a<code>\"\u4f60\u597d\uff0c\u4e16\u754c\uff01\"<\/code>\u6211\u4eec\u77e5\u9053\u5b83\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u56e0\u4e3a\u5b57\u7b26\u4e32\u603b\u662f\u7528\u53cc\u5f15\u53f7\u62ec\u8d77\u6765\u7684\u3002\u4e0e\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\uff08\u6bd4\u5982PHP\uff09\u4e0d\u540c\uff0cJava\u5b57\u7b26\u4e32\u4e0d\u80fd\u4f7f\u7528\u5355\u5f15\u53f7\u3002<\/p>\n<p>Java\u8bed\u6cd5\u7684\u4e00\u4e2a\u7279\u70b9\u662f\u6bcf\u4e2a\u8bed\u53e5\u7684\u672b\u5c3e\u90fd\u9700\u8981\u4e00\u4e2a\u5206\u53f7\uff0c\u4f8b\u5982\u6253\u5370\u6587\u672c\u7684\u8bed\u53e5\uff1a<code>System.out.println(\"\u4f60\u597d\uff0c\u4e16\u754c\uff01\");<\/code>\u3002<\/p>\n<div class=\"post-conf-note\">\n<p class=\"post-conf-desc\">\u6ce8\u610f\uff1a\u5982\u679c\u4f60\u4f7f\u7528\u7684\u662f\u5e26\u6709Java\u8bed\u6cd5\u652f\u6301\u7684\u96c6\u6210\u5f00\u53d1\u73af\u5883\uff08IDE\uff09\u6216\u6587\u672c\u7f16\u8f91\u5668\uff0c\u90a3\u4e48\u4f60\u4e0d\u5fc5\u62c5\u5fc3\u6f0f\u5199\u5206\u53f7\u7684\u95ee\u9898\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u7a0b\u5e8f\u4f1a\u81ea\u52a8\u5904\u7406\u8fd9\u4e2a\u95ee\u9898\u548c\u5176\u4ed6\u8bed\u6cd5\u5f02\u5e38\u3002\u5728\u8fd9\u4e00\u90e8\u5206\uff0c\u60a8\u9010\u884c\u68c0\u67e5\u4e86\u7a0b\u5e8f\u4ee5\u4e86\u89e3\u5176\u5de5\u4f5c\u539f\u7406\u3002\u5728\u4e0b\u4e00\u8282\u4e2d\uff0c\u60a8\u5c06\u4e86\u89e3\u7f16\u8bd1\u548c\u8fd0\u884c\u7a0b\u5e8f\u65f6\u4f1a\u53d1\u751f\u4ec0\u4e48\u3002<\/p>\n<\/div>\n<h2>\u7f16\u5199\u5e76\u8fd0\u884c&#8221;\u4f60\u597d\uff0c\u4e16\u754c\uff01&#8221;\u7a0b\u5e8f<\/h2>\n<p>\u5728\u672c\u8282\u4e2d\uff0c\u60a8\u5c06\u590d\u4e60\u7f16\u8bd1\u548c\u8fd0\u884cJava\u7a0b\u5e8f\u65f6\u4f1a\u53d1\u751f\u4ec0\u4e48\u3002\u4e3a\u4e86\u7f16\u8bd1\u4ee3\u7801\uff0c\u60a8\u4f7f\u7528\u4e86JDK\u4e2d\u7684javac\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">javac Hello.java<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p><code>javac<\/code>\u4f1a\u8bfb\u53d6\u6e90\u4ee3\u7801\uff0c\u68c0\u67e5\u8bed\u6cd5\u9519\u8bef\uff0c\u5e94\u7528\u4f18\u5316\uff0c\u5e76\u751f\u6210\u4e00\u4e2a\u540d\u4e3a<code>Hello.class<\/code>\u7684\u5b57\u8282\u7801\u6587\u4ef6\u3002Java\u7684<code>.class<\/code>\u6587\u4ef6\u662fJRE\u80fd\u591f\u89e3\u91ca\u548c\u8fd0\u884c\u7684\u673a\u5668\u7801\u3002<\/p>\n<p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u5728\u9879\u76ee\u76ee\u5f55\u4e0b\u8fd0\u884c<code>ls<\/code>\u547d\u4ee4\u6765\u67e5\u770b<code>Hello.class<\/code>\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">ls<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u8fd9\u4e2a\u6307\u4ee4\u4f1a\u5217\u51fa\u4f60\u5f53\u524d\u76ee\u5f55\u4e2d\u7684\u6587\u4ef6\u3002<\/p>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p><mark>Hello.class<\/mark> Hello.java<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u4ee3\u7801\u7f16\u8bd1\u5b8c\u6210\u540e\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528JRE\u4e2d\u7684Java\u53ef\u6267\u884c\u6587\u4ef6\u8fd0\u884c\u5b83\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">java<\/span> Hello<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u53ea\u6709\u7f16\u8bd1\u540e\u7684\u4ee3\u7801\u624d\u80fd\u5728JRE\u4e0a\u8fd0\u884c\uff0cJRE\u65e0\u6cd5\u4ee5\u4efb\u4f55\u65b9\u5f0f\u6267\u884c\u6807\u51c6\u7684\u4eba\u7c7b\u53ef\u8bfb\u6587\u4ef6\u4e2d\u7684\u4ee3\u7801\u3002\u540c\u6837\u5730\uff0c\u5982\u679c\u4f60\u5c1d\u8bd5\u7528\u6807\u51c6\u6587\u672c\u7f16\u8f91\u5668\u8bfb\u53d6\u7f16\u8bd1\u540e\u7684.class\u6587\u4ef6\uff0c\u4f60\u4e5f\u5c06\u65e0\u6cd5\u505a\u5230\u3002\u7136\u800c\uff0c\u501f\u52a9\u8bf8\u5982Java\u53cd\u7f16\u8bd1\u5668\u4e4b\u7c7b\u7684\u5de5\u5177\uff0c\u4f60\u53ef\u4ee5\u8bfb\u53d6\u5df2\u7f16\u8bd1\u7684\u6587\u4ef6\uff0c\u5728\u8c03\u8bd5\u6ca1\u6709\u6e90\u4ee3\u7801\u7684\u7a0b\u5e8f\u65f6\u5f88\u6709\u7528\u3002<\/p>\n<p>\u4f7f\u7528\u8fd9\u4e2a\u547d\u4ee4\uff0c\u4f60\u6307\u793aJRE\u53ef\u6267\u884c\u6587\u4ef6java\u5bf9\u4e00\u4e2a\u540d\u4e3aHello\u7684\u7c7b\u8fdb\u884c\u5904\u7406\uff0c\u8be5\u7c7b\u4f4d\u4e8eHello.class\u6587\u4ef6\u4e2d\u3002<\/p>\n<p>\u5f53&#8221;Hello, World\uff01&#8221;\u6d88\u606f\u6253\u5370\u5230\u63a7\u5236\u53f0\u65f6\uff0c\u60a8\u5df2\u7ecf\u786e\u8ba4\u4e86\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<ul class=\"post-ul\">\n<li>\u60a8\u62e5\u6709\u4e00\u4e2a\u6b63\u5e38\u5de5\u4f5c\u7684Java\u73af\u5883\uff0c\u80fd\u591f\u5728\u5176\u4e2d\u7f16\u8bd1\u548c\u6267\u884c\u4ee3\u7801\u3002<\/li>\n<li>Java\u5df2\u6210\u529f\u627e\u5230Hello\u7c7b\u7684\u4ee3\u7801\uff0c\u5e76\u4e14\u80fd\u591f\u8bbf\u95ee\u5b83\u3002<\/li>\n<li>\u6267\u884c\u6d41\u7a0b\u4ecemain()\u65b9\u6cd5\u5f00\u59cb\u3002\u5728\u90a3\u91cc\uff0c\u4f7f\u7528\u5b57\u7b26\u4e32\u53c2\u6570&#8221;Hello, World!&#8221;\u8c03\u7528\u4e86System.out.println()\u65b9\u6cd5\u3002\u6b22\u8fce\u6d88\u606f\u5df2\u6253\u5370\u5728\u5c4f\u5e55\u4e0a\u3002<\/li>\n<li>\u7531\u4e8e\u6ca1\u6709\u5176\u4ed6\u4ee3\u7801\uff0c\u7a0b\u5e8f\u6210\u529f\u9000\u51fa\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u8c03\u7528Java\uff0c\u4f60\u542f\u52a8\u4e86\u4e00\u79cd\u79f0\u4e3aJava\u865a\u62df\u673a\uff08JVM\uff09\u7684\u865a\u62df\u673a\u5668\u3002\u66f4\u591a\u5173\u4e8e\u865a\u62df\u673a\u7684\u4e00\u822c\u4fe1\u606f\uff0c\u8bf7\u67e5\u770b\u6211\u4eec\u7684\u6587\u7ae0\u300a\u4ec0\u4e48\u662f\u865a\u62df\u673a\uff1f\u300b\u3002<\/p>\n<p>JVM\u5728\u5916\u90e8\u73af\u5883\u3001\u5e93\u6216\u6574\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u6ca1\u6709\u4f9d\u8d56\uff0c\u5177\u6709\u5f88\u597d\u7684\u9694\u79bb\u6027\u3002\u5728\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u4e0a\uff0cJVM\u7684\u884c\u4e3a\u975e\u5e38\u76f8\u4f3c\uff0c\u51e0\u4e4e\u5b8c\u5168\u4e00\u81f4\uff0c\u8fd9\u4f7f\u5f97Java\u5177\u6709\u53ef\u79fb\u690d\u6027\u3001\u53ef\u9884\u6d4b\u6027\u548c\u5b89\u5168\u6027\u3002\u8fd9\u4e0e\u5176\u4ed6\u8bed\u8a00\uff08\u4f8b\u5982PHP\uff09\u4e0d\u540c\uff0cPHP\u89e3\u91ca\u5668\u4f9d\u8d56\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u7684\u8bb8\u591a\u672c\u673a\u5e93\u3002<\/p>\n<p>\u7531\u4e8eJava\u5229\u7528\u81ea\u5df1\u7684\u865a\u62df\u673a\u6765\u5b9e\u73b0\u9694\u79bb\u6027\uff0c\u56e0\u6b64\u8be5\u8fdb\u7a0b\u4f1a\u5360\u7528\u5927\u91cf\u7684\u5185\u5b58\u3002\u7136\u800c\uff0cJava\u7ecf\u8fc7\u4f18\u5316\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u8d44\u6e90\u3002\u5373\u4f7f\u5728\u8fd0\u884c\u81ea\u5df1\u7684\u865a\u62df\u673a\u65f6\u4f1a\u6d88\u8017\u8d44\u6e90\uff0c\u5bf9\u4e8e\u5927\u578b\u3001\u590d\u6742\u548c\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u7a0b\u5e8f\u800c\u8a00\uff0cJava\u7684\u6027\u80fd\u4ecd\u7136\u975e\u5e38\u51fa\u8272\u3002<\/p>\n<p>\u6362\u53e5\u8bdd\u8bf4\uff0c\u5728\u5176\u4ed6\u8bed\u8a00\u4e2d\u53ef\u80fd\u6709\u66f4\u7b80\u5355\u6216\u66f4\u9ad8\u6548\u7684\u7f16\u7a0b\u6d88\u606f\u8f93\u51fa\u5230\u5c4f\u5e55\u7684\u65b9\u6cd5\u3002\u4f46\u662f\u901a\u8fc7\u4f7f\u7528Java\uff0c\u60a8\u5c06\u80fd\u591f\u521b\u5efa\u4e0e\u591a\u79cd\u64cd\u4f5c\u7cfb\u7edf\u517c\u5bb9\u7684\u590d\u6742\u7a0b\u5e8f\u3002<\/p>\n<h2>\u7ed3\u8bba 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