{"id":519,"date":"2021-12-15T18:57:07","date_gmt":"2021-12-16T02:57:07","guid":{"rendered":"https:\/\/devblogs.microsoft.com\/java-ch\/?p=519"},"modified":"2021-12-15T18:57:07","modified_gmt":"2021-12-16T02:57:07","slug":"java-on-visual-studio-code-2021-11","status":"publish","type":"post","link":"https:\/\/devblogs.microsoft.com\/java-ch\/java-on-visual-studio-code-2021-11\/","title":{"rendered":"Java on Visual Studio Code\u7684\u66f4\u65b0 \u2013 2021\u5e7411\u6708"},"content":{"rendered":"<p>\u5927\u5bb6\u597d\uff0c\u6b22\u8fce\u6765\u5230 11 \u6708\u7248\u7684 Visual Studio Code Java \u66f4\u65b0\uff01\u5728\u8fd9\u7bc7\u5e74\u7ec8\u535a\u5ba2\u4e2d\uff0c\u6211\u4eec\u5c06\u5206\u4eab\u4e00\u4e9b\u4e0eJava\u57fa\u7840\u5f00\u53d1\u76f8\u5173\u7684\u6700\u65b0\u529f\u80fd\u4ee5\u53ca\u4e0e\u5e94\u5bf9\u7f16\u7801\u95ee\u9898\u7684\u4e00\u4e9b\u89e3\u51b3\u7b56\u7565\u3002<\/p>\n<p>\u57fa\u7840\u5f00\u53d1\u76f8\u5173\u7684\u529f\u80fd\u4f1a\u76f4\u63a5\u5f71\u54cd\u5f00\u53d1\u8005\u7684\u65e5\u5e38\u5de5\u4f5c\u6548\u7387\uff0c\u63d0\u5347\u8fd9\u65b9\u9762\u7684\u7528\u6237\u4f53\u9a8c\u5c06\u4e00\u76f4\u662f\u6211\u4eec\u7684\u91cd\u70b9\u3002\u572811 \u6708\u7684\u66f4\u65b0\u4e2d\uff0c\u6211\u4eec\u5728\u8fd9\u65b9\u9762\u8fdb\u884c\u4e86\u591a\u9879\u6539\u8fdb\uff1a<\/p>\n<p><span style=\"font-size: 16pt;\"><strong>\u9879\u76ee\u7ba1\u7406 &#8211; \u8ddf&#8221;.project&#8221;\u7b49\u5143\u6570\u636e\u6587\u4ef6\u8bf4\u518d\u89c1<\/strong><\/span><\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u4f7f\u7528 <a href=\"https:\/\/marketplace.visualstudio.com\/items?itemName=vscjava.vscode-java-pack\">Java\u6269\u5c55\u5305<\/a>\u8fdb\u884c Java \u5f00\u53d1\uff0c\u6211\u4eec\u6709\u4e2a\u597d\u6d88\u606f\u8981\u544a\u8bc9\u60a8 &#8211; \u5f53\u60a8\u5bfc\u5165\u65b0\u7684 Java \u9879\u76ee\u65f6\uff0cVisual Studio Code \u4e0d\u518d\u5728\u9879\u76ee\u8def\u5f84\u4e2d\u751f\u6210\u90a3\u4e9b\u9690\u85cf\u7684\u201c.project\u201d\u5143\u6570\u636e\u6587\u4ef6\uff01\u8fd9\u662f\u4e00\u4e2a\u5df2\u7ecf\u5b58\u5728\u4e09\u5e74\u591a\u7684<a href=\"https:\/\/github.com\/redhat-developer\/vscode-java\/issues\/618\">\u95ee\u9898<\/a>\uff0c\u800c\u6211\u4eec\u572811\u6708\u7684\u7248\u672c\u4e2d\u4fee\u590d\u4e86\u5b83\u3002\u5982\u679c\u60a8\u6709\u5174\u8da3\u4e86\u89e3\u6211\u4eec\u662f\u5982\u4f55\u89e3\u51b3\u7684\uff0c\u8bf7\u53ef\u4ee5\u8bbf\u95ee<a href=\"https:\/\/devblogs.microsoft.com\/java\/say-goodbye-to-project-files-in-1-1-0\/\">\u8fd9\u7bc7\u535a\u5ba2<\/a>\u3002<\/p>\n<p><strong><span style=\"font-size: 16pt;\">\u6d4b\u8bd5 &#8211; \u5728\u6d4b\u8bd5\u4e0e\u6d4b\u8bd5\u5bf9\u8c61\u4e4b\u95f4\u8df3\u8f6c<\/span>\n<\/strong><\/p>\n<p>\u5728 11 \u6708\u7684\u7248\u672c\u4e2d\uff0c\u6211\u4eec\u6dfb\u52a0\u4e86\u4e00\u9879\u65b0\u529f\u80fd\uff0c\u5141\u8bb8\u7528\u6237\u5728\u6d4b\u8bd5\u548c\u76f8\u5e94\u7684\u6d4b\u8bd5\u5bf9\u8c61\u4e4b\u95f4\u8df3\u8f6c\uff0c\u8fd9\u4e2a\u529f\u80fd\u5c06\u5e2e\u52a9\u7528\u6237\u66f4\u65b9\u4fbf\u5730\u7f16\u5199\u5355\u5143\u6d4b\u8bd5<\/p>\n<p><a href=\"https:\/\/devblogs.microsoft.com\/java\/wp-content\/uploads\/sites\/51\/2021\/12\/test-navigation.gif\"><img decoding=\"async\" class=\"alignnone size-full wp-image-228613\" src=\"https:\/\/devblogs.microsoft.com\/java\/wp-content\/uploads\/sites\/51\/2021\/12\/test-navigation.gif\" alt=\"Testing Navigation\" width=\"1024\" height=\"768\" \/><\/a><\/p>\n<p><span style=\"font-size: 16pt;\"><strong>\u4ee3\u7801\u64cd\u4f5c &#8211; \u66f4\u65b9\u4fbf\u5730\u751f\u6210\u6784\u9020\u51fd\u6570\u548c\u8986\u76d6\/\u5b9e\u73b0\u65b9\u6cd5<\/strong><\/span><\/p>\n<p>\u6211\u4eec\u66fe\u7ecf\u5728\u4e4b\u524d\u7684<a href=\"https:\/\/devblogs.microsoft.com\/java\/say-goodbye-to-project-files-in-1-1-0\/\">\u535a\u5ba2<\/a>\u4e2d\u63d0\u5230\u8fc7\uff0c\u6211\u4eec\u4f1a\u4e00\u76f4\u81f4\u529b\u8ba9\u5e38\u89c1\u4ee3\u7801\u7684\u64cd\u4f5c\u66f4\u52a0\u6613\u4e8e\u4f7f\u7528\u3002\u5728\u6700\u65b0\u7248\u672c\u4e2d\uff0c\u7528\u6237\u73b0\u5728\u53ef\u4ee5\u4f7f\u7528 Java \u7c7b\u65c1\u8fb9\u7684\u201c\u706f\u6ce1\u56fe\u6807\u201d\u6765\u65b9\u4fbf\u5730\u751f\u6210\u6784\u9020\u51fd\u6570\u6216\u8986\u76d6\/\u5b9e\u73b0\u65b9\u6cd5\uff01\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5feb\u901f\u6f14\u793a\uff1a<\/p>\n<p><a href=\"https:\/\/devblogs.microsoft.com\/java\/wp-content\/uploads\/sites\/51\/2021\/12\/codeactions.gif\"><img decoding=\"async\" class=\"alignnone size-full wp-image-228614\" src=\"https:\/\/devblogs.microsoft.com\/java\/wp-content\/uploads\/sites\/51\/2021\/12\/codeactions.gif\" alt=\"Code Actions\" width=\"1024\" height=\"768\" \/><\/a><\/p>\n<p><span style=\"font-size: 16pt;\"><strong>\u4e0e\u4e71\u7801\u95ee\u9898\u201c\u6253\u4ea4\u9053\u201d<\/strong><\/span><\/p>\n<p>\u7528\u6237\u5728\u5904\u7406\u5404\u79cd\u8bed\u8a00\u65f6\u9047\u5230\u67d0\u79cd\u7f16\u7801\u95ee\u9898\u662f\u5f88\u5e38\u89c1\u7684\u3002\u6211\u4eec\u5728\u542c\u5230\u6b64\u7c7b\u53cd\u9988\u540e\u505a\u4e86\u4e00\u4e9b\u5206\u6790\uff0c\u56e0\u6b64\u5728\u8fd9\u7bc7\u535a\u5ba2\u4e2d\u6211\u4eec\u60f3\u5206\u4eab\u4e00\u4e0b\u6211\u4eec\u7684\u53d1\u73b0\u4ee5\u53ca\u5efa\u8bae\u3002<\/p>\n<p><strong><span style=\"font-size: 14pt;\">\u80cc\u666f<\/span><\/strong><\/p>\n<p>\u8ba1\u7b97\u673a\u53ea\u80fd\u7406\u89e3 0 \u548c 1 \u7b49\u4e8c\u8fdb\u5236\u6570\u636e\uff0c\u5b83\u4f7f\u7528\u5b57\u7b26\u96c6\u5c06\u6570\u636e\u7f16\u7801\/\u89e3\u7801\u4e3a\u73b0\u5b9e\u4e16\u754c\u7684\u5b57\u7b26\u3002\u4e24\u4e2a\u8fdb\u7a0b\u5728\u8fdb\u884cI\/O\u4ea4\u4e92\u65f6\uff0c\u5fc5\u987b\u4f7f\u7528\u517c\u5bb9\u7684\u5b57\u7b26\u96c6\u8fdb\u884c\u7f16\u7801\u548c\u89e3\u7801\uff0c\u5426\u5219\u53ef\u80fd\u4f1a\u51fa\u73b0\u4e71\u7801\u3002MacOS \u548c Linux \u5230\u5904\u90fd\u4f7f\u7528 UTF-8\uff0c\u56e0\u6b64\u7f16\u7801\u5bf9\u5b83\u4eec\u6765\u8bf4\u4e0d\u662f\u95ee\u9898\u3002\u4f46\u662f\uff0c\u5bf9\u4e8e Windows\uff0c\u9ed8\u8ba4\u5b57\u7b26\u96c6\u4e0d\u662f UTF-8 \u5e76\u4e14\u662f\u5e73\u53f0\u76f8\u5173\u7684\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u4e0d\u540c\u5de5\u5177\u4e4b\u95f4\u7684\u7f16\u7801\u4e0d\u4e00\u81f4\u3002<\/p>\n<p><strong><span style=\"font-size: 14pt;\">\u5e38\u89c1\u95ee\u9898<\/span><\/strong><\/p>\n<p dir=\"auto\">\u4ee5\u4e0b\u662f\u5728 Windows \u7ec8\u7aef\u4e0a\u8fd0\u884c Java \u7a0b\u5e8f\u65f6\u7684\u5178\u578b\u7f16\u7801\u95ee\u9898\u3002<\/p>\n<ul>\n<li dir=\"auto\">\u6587\u4ef6\u6216\u76ee\u5f55\u540d\u5305\u542bUnicode\u5b57\u7b26\uff0cJava\u542f\u52a8\u5668\u627e\u4e0d\u5230\u5bf9\u5e94\u7684\u7c7b\u8def\u5f84\u6216\u4e3b\u7c7b\u3002<\/li>\n<\/ul>\n<pre class=\"prettyprint\">\u4e2d\u6587\u76ee\u5f55\r\n\u251c\u2500\u2500 Hello.class\r\n\u2514\u2500\u2500 Hello.java<\/pre>\n<pre class=\"prettyprint\">C:\\Test&gt;java -cp \u4e2d\u6587\u76ee\u5f55 Hello\r\nError: Could not find or load main class Hello<\/pre>\n<ul>\n<li>\u5e26\u6709 Unicode \u5b57\u7b26\u7684\u5b57\u7b26\u4e32\u6587\u5b57\u5728\u6253\u5370\u5230\u7ec8\u7aef\u65f6\u4f1a\u51fa\u73b0\u4e71\u7801\u3002<\/li>\n<\/ul>\n<pre class=\"prettyprint\">Exercises\r\n\u251c\u2500\u2500 \u7ec3\u4e60.class\r\n\u2514\u2500\u2500 \u7ec3\u4e60.java<\/pre>\n<pre class=\"prettyprint\">C:\\Test&gt;java -cp .\/Exercises \u7ec3\u4e60\r\nError: Could not find or load main class ??\r\nCaused by: java.lang.ClassNotFoundException: ??<\/pre>\n<ul>\n<li>Java\u7a0b\u5e8f\u4e0e\u7ec8\u7aef\u4ea4\u4e92I\/O\u65f6\u51fa\u73b0\u4e71\u7801<\/li>\n<\/ul>\n<pre class=\"prettyprint\">public class Hello {\r\n    public static void main(String[] args) {\r\n        System.out.println(\"\u4f60\u597d\uff01\");\r\n    }\r\n}<\/pre>\n<pre class=\"prettyprint\">C:\\Test&gt;chcp\r\n65001\r\nC:\\Test&gt;java -cp .\/Exercises Hello\r\n??!\r\nC:\\Test&gt;java -Dfile.encoding=UTF-8 -cp .\/Exercises Hello\r\n\u4f60\u597d\uff01<\/pre>\n<ul>\n<li>\u7a0b\u5e8f\u9700\u8981\u4ece stdin \u8bfb\u53d6 Unicode \u5b57\u7b26\uff0c\u5e76\u5c06 Unicode \u5b57\u7b26\u6253\u5370\u5230 stdout\u3002<\/li>\n<\/ul>\n<pre class=\"prettyprint\">import java.util.Scanner;\r\n\r\npublic class Hello {\r\n    public static void main(String[] args) {\r\n        Scanner scanner = new Scanner(System.in);\r\n        System.out.println(scanner.nextLine());\r\n    }\r\n}<\/pre>\n<pre class=\"prettyprint\">C:\\Test&gt;chcp\r\n65001\r\n\r\n<\/pre>\n<pre class=\"prettyprint\">C:\\Test&gt;java -Dfile.encoding=UTF-8 -cp .\/Exercises Hello \r\n\u4f60\u597d \r\n\ufffd\ufffd<\/pre>\n<p dir=\"auto\"><strong><span style=\"font-size: 14pt;\">\u6211\u4eec\u7684\u53d1\u73b0\u4e0e\u5e94\u5bf9\u6b64\u7c7b\u95ee\u9898\u7684\u5efa\u8bae<\/span><\/strong><\/p>\n<p>\u4e4b\u524d\uff0c\u4e3a\u4e86\u7f13\u89e3\u7f16\u7801\u95ee\u9898\uff0c\u6211\u4eec\u5728 Java Debugger \u7aef\u6dfb\u52a0\u4e86\u4e00\u4e9b\u89e3\u51b3\u65b9\u6cd5\u53bb\u5f3a\u5236\u5728\u6211\u4eec\u7684\u5de5\u5177\u94fe\u4e2d\u4f7f\u7528 UTF-8\u3002\u4f8b\u5982\uff0c\u6dfb\u52a0\u4e00\u4e2alauncher.bat \u5f3a\u5236\u7ec8\u7aef\u7684\u4ee3\u7801\u9875\u4e3a65001 \uff0c\u5e76\u5c06\u9ed8\u8ba4\u7684\u201cfile.encoding\u201d\u5c5e\u6027\u8bbe\u7f6e\u4e3a\u201cUTF-8\u201d\u3002\u4f46\u4e8b\u5b9e\u8bc1\u660e\uff0c\u5b83\u4eec\u5e76\u6ca1\u6709\u7cfb\u7edf\u5730\u89e3\u51b3\u7f16\u7801\u95ee\u9898\uff0c\u5e76\u4e14\u8fd8\u5f15\u5165\u4e86\u4e00\u4e9b\u989d\u5916\u7684\u526f\u4f5c\u7528\uff08\u53c2\u89c1<a class=\"issue-link js-issue-link\" href=\"https:\/\/github.com\/microsoft\/vscode-java-pack\/issues\/756\" data-error-text=\"Failed to load title\" data-id=\"1007232699\" data-permission-text=\"Title is private\" data-url=\"https:\/\/github.com\/microsoft\/vscode-java-pack\/issues\/756\" data-hovercard-type=\"issue\" data-hovercard-url=\"\/microsoft\/vscode-java-pack\/issues\/756\/hovercard\">#756<\/a>,\u00a0<a class=\"issue-link js-issue-link\" href=\"https:\/\/github.com\/microsoft\/vscode-java-debug\/issues\/622\" data-error-text=\"Failed to load title\" data-id=\"477687268\" data-permission-text=\"Title is private\" data-url=\"https:\/\/github.com\/microsoft\/vscode-java-debug\/issues\/622\" data-hovercard-type=\"issue\" data-hovercard-url=\"\/microsoft\/vscode-java-debug\/issues\/622\/hovercard\">microsoft\/vscode-java-debug#622<\/a>,\u00a0<a class=\"issue-link js-issue-link\" href=\"https:\/\/github.com\/microsoft\/vscode-java-debug\/issues\/646\" data-error-text=\"Failed to load title\" data-id=\"486976312\" data-permission-text=\"Title is private\" data-url=\"https:\/\/github.com\/microsoft\/vscode-java-debug\/issues\/646\" data-hovercard-type=\"issue\" data-hovercard-url=\"\/microsoft\/vscode-java-debug\/issues\/646\/hovercard\">microsoft\/vscode-java-debug#646<\/a>\uff09\u3002<\/p>\n<p>\u5728\u5bf9\u8be5\u95ee\u9898\u8fdb\u884c\u66f4\u591a\u8c03\u67e5\u540e\uff0c\u6211\u4eec\u53d1\u73b0\u6211\u4eec\u6dfb\u52a0\u7684\u89e3\u51b3\u65b9\u6cd5\u4f3c\u4e4e\u6ca1\u6709\u5fc5\u8981\u3002\u7528\u6237\u53ea\u9700\u8981\u5c06 windows \u7cfb\u7edf\u533a\u57df\u8bbe\u7f6e\u4e3a\u4ed6\u4eec\u60f3\u8981\u7684\u8bed\u8a00\uff0c\u7136\u540e JVM \u548c\u7ec8\u7aef\u5c06\u81ea\u52a8\u66f4\u6539\u4e3a\u4e0e\u60a8\u7684\u7cfb\u7edf\u533a\u57df\u8bbe\u7f6e\u517c\u5bb9\u7684\u7f16\u7801\u3002\u5b98\u65b9 Java \u6587\u6863 (<a href=\"https:\/\/www.java.com\/en\/download\/help\/locale.html\">\u00a0https:\/\/www.java.com\/en\/download\/help\/locale.html\u00a0<\/a>)\u4e5f\u5efa\u8bae\u8fd9\u6837\u505a\u3002<\/p>\n<p>\u4ee5\u4e0b\u5c4f\u5e55\u622a\u56fe\u663e\u793a\u4e86\u5982\u4f55\u5728 Windows \u4e2d\u66f4\u6539\u7cfb\u7edf\u533a\u57df\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u60f3\u4f7f\u7528\u7ec8\u7aef\u5728Java\u7a0b\u5e8f\u4e2d\u8f93\u5165\u6c49\u5b57\uff0c\u60a8\u53ef\u4ee5\u5c06Windows\u7cfb\u7edf\u533a\u57df\u8bbe\u7f6e\u4e3a\u4e2d\u6587\u3002\u9ed8\u8ba4\u7684 Java \u5b57\u7b26\u96c6\u5c06\u662f&#8221;GBK&#8221;\u5e76\u4e14 cmd \u4ee3\u7801\u9875\u5c06\u662f&#8221;936&#8243;\u00a0\uff0c\u5b83\u5c06\u5f88\u597d\u5730\u652f\u6301\u4e2d\u6587\u5b57\u7b26\u3002<\/p>\n<p><a href=\"https:\/\/devblogs.microsoft.com\/java-ch\/wp-content\/uploads\/sites\/59\/2021\/12\/encoding.png\"><img decoding=\"async\" class=\"alignnone size-full wp-image-523\" src=\"https:\/\/devblogs.microsoft.com\/java-ch\/wp-content\/uploads\/sites\/59\/2021\/12\/encoding.png\" alt=\"Encoding\" width=\"1736\" height=\"920\" srcset=\"https:\/\/devblogs.microsoft.com\/java-ch\/wp-content\/uploads\/sites\/59\/2021\/12\/encoding.png 1736w, https:\/\/devblogs.microsoft.com\/java-ch\/wp-content\/uploads\/sites\/59\/2021\/12\/encoding-300x159.png 300w, https:\/\/devblogs.microsoft.com\/java-ch\/wp-content\/uploads\/sites\/59\/2021\/12\/encoding-1024x543.png 1024w, https:\/\/devblogs.microsoft.com\/java-ch\/wp-content\/uploads\/sites\/59\/2021\/12\/encoding-768x407.png 768w, https:\/\/devblogs.microsoft.com\/java-ch\/wp-content\/uploads\/sites\/59\/2021\/12\/encoding-1536x814.png 1536w\" sizes=\"(max-width: 1736px) 100vw, 1736px\" \/><\/a><\/p>\n<p>\u8fd9\u662f\u6709\u5173\u5982\u4f55\u5904\u7406\u7f16\u7801\u95ee\u9898\u7684<a href=\"https:\/\/github.com\/microsoft\/vscode-java-debug\/blob\/main\/Troubleshooting_encoding.md\">\u8be6\u7ec6\u6587\u6863<\/a>\u3002<\/p>\n<h3 id=\"try-it-out\" class=\"x-hidden-focus\"><strong><span class=\"x-hidden-focus\"><span style=\"font-size: 16pt;\">\u5e74\u672b\u7ed3\u8bed<\/span><\/span><\/strong><\/h3>\n<h3 class=\"x-hidden-focus\"><span style=\"font-size: 12pt;\">\u6211\u4eec\u5feb\u5230 2021 \u5e74\u5e95\u4e86\uff0c\u5728\u8fc7\u53bb\u7684 12 \u4e2a\u6708\u91cc\uff0c\u6211\u4eec\u4e00\u76f4\u5728\u52aa\u529b\u5728 Visual Studio Code \u4e0a\u63d0\u4f9b\u66f4\u597d\u7684 Java \u5f00\u53d1\u4f53\u9a8c\u3002\u5230 2022 \u5e74\uff0cVisual Studio Code \u4e0a\u7684 Java 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href=\"https:\/\/www.research.net\/r\/vscodejava?lang=zh\" target=\"_blank\" rel=\"noopener\">\u586b\u5199\u4e2d\u6587\u95ee\u5377<\/a><\/li>\n<li>\u5728\u8fd9\u4e2a\u5e16\u5b50\u4e0b\u7559\u8a00<\/li>\n<li class=\"\">\u5728\u6211\u4eec\u7684GitHub repo\u4e0a<a href=\"https:\/\/github.com\/microsoft\/vscode-java-pack\/issues\/new\/choose\" target=\"_blank\" rel=\"noopener\">\u521b\u5efaIssue<\/a><\/li>\n<\/ul>\n<h3 id=\"try-it-out\" class=\"\"><span style=\"font-size: 16pt;\"><strong>\u8d44\u6e90<\/strong><\/span><i class=\"fabric-icon fabric-icon--Link\" aria-hidden=\"true\"><\/i><\/h3>\n<p>\u4ee5\u4e0b\u94fe\u63a5\u548c\u8d44\u6e90\u80fd\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u4e86\u89e3Java on Visual Studio Code\u7684\u76f8\u5173\u4fe1\u606f<\/p>\n<ul>\n<li class=\"\">\u4e86\u89e3<a href=\"https:\/\/code.visualstudio.com\/docs\/languages\/java\" target=\"_blank\" rel=\"noopener\">\u66f4\u591a Visual Studio Code\u4e0aJava<\/a>\u7684\u66f4\u591a\u4fe1\u606f<\/li>\n<li class=\"\"><span class=\"goog-text-highlight\">\u9010\u6b65\u63a2\u7d22<\/span><a href=\"https:\/\/code.visualstudio.com\/docs\/java\/java-tutorial\" target=\"_blank\" rel=\"noopener noreferrer\"><span class=\"goog-text-highlight\">\u6709\u5173Visual Studio Code\u7684Java\u6559\u7a0b<\/span><\/a><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5927\u5bb6\u597d\uff0c\u6b22\u8fce\u6765\u5230 11 \u6708\u7248\u7684 Visual Studio Code Java \u66f4\u65b0\uff01\u5728\u8fd9\u7bc7\u5e74\u7ec8\u535a\u5ba2\u4e2d\uff0c\u6211\u4eec\u5c06\u5206\u4eab\u4e00\u4e9b\u4e0eJava\u57fa\u7840\u5f00\u53d1\u76f8\u5173\u7684\u6700\u65b0\u529f\u80fd\u4ee5\u53ca\u4e0e\u5e94\u5bf9\u7f16\u7801\u95ee\u9898\u7684\u4e00\u4e9b\u89e3\u51b3\u7b56\u7565\u3002 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