{"id":38485,"date":"2024-11-26T12:45:47","date_gmt":"2024-11-26T04:45:47","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38485\/"},"modified":"2024-11-26T12:45:47","modified_gmt":"2024-11-26T04:45:47","slug":"java%e6%80%8e%e4%b9%88%e8%bf%90%e8%a1%8c%e5%ae%89%e8%a3%85","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38485\/","title":{"rendered":"java\u600e\u4e48\u8fd0\u884c\u5b89\u88c5"},"content":{"rendered":"

\n \u8981\u8fd0\u884c java\uff0c\u8bf7\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u5b89\u88c5 java \u5f00\u53d1\u5de5\u5177\u5305 (jdk)\u3002\u9a8c\u8bc1 java \u5b89\u88c5\uff0c\u786e\u8ba4\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u63d0\u793a\u7b26\u6216\u7ec8\u7aef\u8fd0\u884c\u201cjava -version\u201d\u547d\u4ee4\u3002\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf java_home \u548c path\uff0c\u4ee5\u4fbf\u7cfb\u7edf\u77e5\u9053 java \u7684\u5b89\u88c5\u4f4d\u7f6e\u3002\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684 helloworld.java \u7a0b\u5e8f\uff0c\u5e76\u4f7f\u7528\u201cjavac\u201d\u548c\u201cjava\u201d\u547d\u4ee4\u8fdb\u884c\u7f16\u8bd1\u548c\u8fd0\u884c\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u8fd0\u884c\u5b89\u88c5\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u8fd0\u884c\u5b89\u88c5 Java<\/strong><\/p>\n

\u6b65\u9aa4 1\uff1a\u5b89\u88c5 Java \u5f00\u53d1\u5de5\u5177\u5305 (JDK)<\/strong><\/p>\n

    \n
  1. \u524d\u5f80 Oracle Java \u4e0b\u8f7d\u9875\u9762\uff1ahttps:\/\/www..com\/java\/technologies\/javase-downloads\/<\/li>\n
  2. \u6839\u636e\u60a8\u7684\u9009\u62e9\u5408\u9002\u7684 JDK \u7248\u672c\u3002<\/li>\n
  3. \u4e0b\u8f7d\u5e76\u8fd0\u884c\u5b89\u88c5\u7a0b\u5e8f\u3002<\/li>\n
  4. \u6309\u7167\u5b89\u88c5\u5411\u5bfc\u63d0\u793a\u5b8c\u6210\u5b89\u88c5\u3002<\/li>\n<\/ol>\n

    \u6b65\u9aa4 2\uff1a\u9a8c\u8bc1 Java \u5b89\u88c5<\/strong><\/p>\n

    \u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u6253\u5f00\u547d\u4ee4\u63d0\u793a\u7b26\u6216\u7ec8\u7aef\uff0c\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n

    \u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

    java -version<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u5982\u679c\u60a8\u770b\u5230\u7c7b\u4f3c\u4ee5\u4e0b\u8f93\u51fa\uff0c\u5219\u8868\u660e Java \u5df2\u6210\u529f\u5b89\u88c5\uff1a<\/p>\n
    java version \"17.0.2\" 2022-07-19\nJava(TM) SE Runtime Environment (build 17.0.2+8-LTS)\nJava HotSpot(TM) 64-Bit Server VM (build 17.0.2+8-LTS, mixed mode, sharing)<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u6b65\u9aa4 3\uff1a\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf<\/strong><\/p>\n
    \u4e3a\u4e86\u8ba9\u7cfb\u7edf\u77e5\u9053 Java \u7684\u5b89\u88c5\u4f4d\u7f6e\uff0c\u60a8\u9700\u8981\u8bbe\u7f6e\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\uff1a<\/p>\n
      \n
    •  JAVA_HOME\uff1a<\/strong>\u6307\u5411 JDK \u5b89\u88c5\u76ee\u5f55\u3002<\/li>\n
    •  PATH\uff1a<\/strong>\u5c06 JAVA_HOME\/bin \u6dfb\u52a0\u5230 PATH \u53d8\u91cf\u4e2d\uff0c\u4ee5\u4fbf\u4ece\u4efb\u4f55\u4f4d\u7f6e\u8bbf\u95ee Java \u547d\u4ee4\u3002<\/li>\n<\/ul>\n
      Windows<\/strong><\/p>\n
      \u5728 Windows \u4e0a\uff0c\u6253\u5f00\u201c\u63a7\u5236\u9762\u677f\u201d>\u201c\u7cfb\u7edf\u548c\u5b89\u5168\u201d>\u201c\u7cfb\u7edf\u201d\uff0c\u7136\u540e\u5355\u51fb\u201c\u9ad8\u7ea7\u7cfb\u7edf\u8bbe\u7f6e\u201d\u3002\u5728\u201c\u7cfb\u7edf\u5c5e\u6027\u201d\u7a97\u53e3\u4e2d\uff0c\u5355\u51fb\u201c\u73af\u5883\u53d8\u91cf\u201d\u3002<\/p>\n
      \u5728\u201c\u7528\u6237\u53d8\u91cf\u201d\u90e8\u5206\uff0c\u5355\u51fb\u201c\u65b0\u5efa\u201d\u6309\u94ae\u5e76\u8bbe\u7f6e\u4ee5\u4e0b\u53d8\u91cf\uff1a<\/p>\n
        \n
      • \u53d8\u91cf\u540d\uff1aJAVA_HOME<\/li>\n
      • \u53d8\u91cf\u503c\uff1aC:Program FilesJavajdk-17.0.2 (\u6216\u60a8\u7684 JDK \u5b89\u88c5\u76ee\u5f55)<\/li>\n<\/ul>\n
        \u5728\u201c\u7cfb\u7edf\u53d8\u91cf\u201d\u90e8\u5206\uff0c\u9009\u62e9\u201cPath\u201d\u53d8\u91cf\u5e76\u5355\u51fb\u201c\u7f16\u8f91\u201d\u6309\u94ae\u3002\u5728\u201c\u53d8\u91cf\u503c\u201d\u5b57\u6bb5\u4e2d\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n
        ;%JAVA_HOME%in<\/pre>\n
         \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        Linux\/macOS<\/strong><\/p>\n
        \u5728 Linux \u6216 macOS \u4e0a\uff0c\u6253\u5f00\u7ec8\u7aef\u5e76\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
        export JAVA_HOME=\/usr\/local\/java\/jdk-17.0.2 (\u6216\u60a8\u7684 JDK \u5b89\u88c5\u76ee\u5f55)\nexport PATH=$PATH:$JAVA_HOME\/bin<\/pre>\n
         \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        \u6b65\u9aa4 4\uff1a\u6d4b\u8bd5 Java \u5b89\u88c5<\/strong><\/p>\n
        \u8981\u5728 Java \u4e2d\u7f16\u5199\u5e76\u8fd0\u884c\u7b80\u5355\u7684\u7a0b\u5e8f\uff0c\u8bf7\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n
          \n
        1. \u4f7f\u7528\u60a8\u559c\u6b22\u7684\u6587\u672c\u7f16\u8f91\u5668\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aHelloWorld.java \u7684\u6587\u4ef6\u3002<\/li>\n
        2. \u5728\u6587\u4ef6\u4e2d\u8f93\u5165\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/li>\n<\/ol>\n
          public class HelloWorld {\n\n    public static void main(String[] args) {\n        System.out.println(\"Hello, world!\");\n    }\n}<\/pre>\n
           \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
            \n
          1. \u7f16\u8bd1\u4ee3\u7801\uff1a<\/li>\n<\/ol>\n
            javac HelloWorld.java<\/pre>\n
             \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
              \n
            1. \u8fd0\u884c\u4ee3\u7801\uff1a<\/li>\n<\/ol>\n
              java HelloWorld<\/pre>\n
               \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
              \u5982\u679c\u8f93\u51fa\u201cHello, world!\u201d\uff0c\u5219\u8868\u793a\u60a8\u7684 Java \u5b89\u88c5\u5df2\u6210\u529f\u5b8c\u6210\u3002<\/p>\n
              \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u8fd0\u884c\u5b89\u88c5\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
              \u8981\u8fd0\u884c java\uff0c\u8bf7\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u5b89\u88c5 java \u5f00\u53d1\u5de5\u5177\u5305 (jdk)\u3002\u9a8c\u8bc1 java \u5b89\u88c5\uff0c\u786e\u8ba4\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u63d0\u793a\u7b26\u6216\u7ec8\u7aef\u8fd0\u884c\u201cjava -version\u201d\u547d\u4ee4\u3002\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf java_home \u548c path\uff0c\u4ee5\u4fbf\u7cfb\u7edf\u77e5\u9053 java \u7684\u5b89\u88c5\u4f4d\u7f6e\u3002\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684 helloworld.java \u7a0b\u5e8f\uff0c\u5e76\u4f7f\u7528\u201cjavac\u201d\u548c\u201cjava\u201d\u547d\u4ee4\u8fdb\u884c\u7f16\u8bd1\u548c\u8fd0\u884c\u3002 \u5982\u4f55\u8fd0\u884c\u5b89\u88c5 Java \u6b65\u9aa4 1\uff1a\u5b89\u88c5 Java \u5f00\u53d1\u5de5\u5177\u5305 (JDK) \u524d\u5f80 Oracle Java \u4e0b\u8f7d\u9875\u9762\uff1ahttps:\/\/www..com\/java\/technologies\/javase-downloads\/ \u6839\u636e\u60a8\u7684\u9009\u62e9\u5408\u9002\u7684 JDK \u7248\u672c\u3002 \u4e0b\u8f7d\u5e76\u8fd0\u884c\u5b89\u88c5\u7a0b\u5e8f\u3002 \u6309\u7167\u5b89\u88c5\u5411\u5bfc\u63d0\u793a\u5b8c\u6210\u5b89\u88c5\u3002 \u6b65\u9aa4 2\uff1a\u9a8c\u8bc1 Java \u5b89\u88c5 \u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u6253\u5f00\u547d\u4ee4\u63d0\u793a\u7b26\u6216\u7ec8\u7aef\uff0c\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b java -version \u767b\u5f55\u540e\u590d\u5236 \u5982\u679c\u60a8\u770b\u5230\u7c7b\u4f3c\u4ee5\u4e0b\u8f93\u51fa\uff0c\u5219\u8868\u660e Java \u5df2\u6210\u529f\u5b89\u88c5\uff1a java version “17.0.2” 2022-07-19 Java(TM) SE Runtime Environment (build 17.0.2+8-LTS) Java HotSpot(TM) […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-38485","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38485","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=38485"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38485\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38485"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38485"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38485"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}