{"id":10020452,"date":"2024-12-11T05:23:55","date_gmt":"2024-12-10T21:23:55","guid":{"rendered":"https:\/\/itmax.cn\/?p=10020452"},"modified":"2024-12-11T05:23:55","modified_gmt":"2024-12-10T21:23:55","slug":"java%e7%b1%bb%e6%98%af%e5%a6%82%e4%bd%95%e5%8a%a0%e8%bd%bd%e7%9a%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10020452","title":{"rendered":"Java\u7c7b\u662f\u5982\u4f55\u52a0\u8f7d\u7684\uff1f"},"content":{"rendered":"

@[toc]
\u6709\u5c0f\u4f19\u4f34\u6700\u8fd1\u5728\u9762\u8bd5\u8fc7\u7a0b\u4e2d\u9047\u5230\u8fd9\u6837\u4e00\u4e2a\u95ee\u9898\uff1a<\/p>\n

Java \u4e2d\u7684\u7c7b\u662f\u5982\u4f55\u52a0\u8f7d\u7684\uff1f<\/p><\/blockquote>\n

\u8fd9\u4e2a\u95ee\u9898\u8fd8\u662f\u5f88\u6709\u610f\u601d\uff0c\u4eca\u5929\u677e\u54e5\u6765\u5c1d\u8bd5\u548c\u5927\u4f19\u68b3\u7406\u4e00\u4e0b\u3002<\/p>\n

\u4e00 \u6574\u4f53\u601d\u8def<\/h2>\n

\u6574\u4f53\u4e0a\u6765\u8bf4\uff0c\u7c7b\u7684\u52a0\u8f7d\u4e3b\u8981\u662f\u4e0b\u9762\u8fd9\u51e0\u4e2a\u6b65\u9aa4\uff1a<\/p>\n

\"\"<\/p>\n

\u4e0a\u9762\u8fd9\u5f20\u56fe\u5c31\u662f\u4e00\u4e2a\u7c7b\u7684\u5b8c\u6574\u751f\u547d\u5468\u671f\u4e86\uff0c\u4e00\u5171\u8981\u7ecf\u5386\u52a0\u8f7d\uff08Loading\uff09\u3001\u9a8c\u8bc1\uff08Verification\uff09\u3001\u51c6\u5907\uff08Preparation\uff09\u3001\u89e3\u6790\uff08Resolution\uff09\u3001\u521d\u59cb\u5316\uff08Initialization\uff09\u3001\u4f7f\u7528\uff08Using\uff09\u3001\u5378\u8f7d\uff08Unloading\uff09\u4e03\u4e2a\u4e0d\u540c\u7684\u6b65\u9aa4\u3002<\/p>\n

\u8fd9\u4e03\u4e2a\u6b65\u9aa4\u4e2d\uff0c\u9a8c\u8bc1\u3001\u51c6\u5907\u548c\u89e3\u6790\u4e00\u822c\u53c8\u7edf\u4e00\u79f0\u4e4b\u4e3a Linking\u3002<\/p>\n

\u8fd9\u662f\u6574\u4f53\u7684\u6d41\u7a0b\uff0c\u63a5\u4e0b\u6765\uff0c\u677e\u54e5\u5c31\u548c\u5927\u5bb6\u6765\u5206\u6790\u6bcf\u4e00\u4e2a\u5177\u4f53\u7684\u6b65\u9aa4\u90fd\u5e72\u4e86\u5565\u3002<\/p>\n

\u4e8c Loading<\/h2>\n

\u9996\u5148\u7b2c\u4e00\u6b65 Loading\uff0c\u4e5f\u5c31\u662f\u52a0\u8f7d\u7c7b\u3002<\/p>\n

\u8fd9\u91cc\u5982\u679c\u88ab\u9762\u8bd5\u5b98\u7ec6\u95ee\uff0c\u6709\u4e24\u4e2a\u65b9\u5411\uff1a<\/p>\n

    \n
  1. \u4ec0\u4e48\u65f6\u5019\u52a0\u8f7d\uff1f<\/li>\n
  2. \u600e\u4e48\u52a0\u8f7d\uff1f<\/li>\n<\/ol>\n

    2.1 \u7c7b\u7684\u52a0\u8f7d\u65f6\u673a<\/h3>\n

    \u5148\u8bf4\u7c7b\u7684\u52a0\u8f7d\u65f6\u673a\u3002<\/p>\n

    \u5982\u679c\u9700\u8981\u4e00\u4e2a\u6743\u5a01\u7684\u6587\u6863\u6765\u8bf4\u660e\u95ee\u9898\uff0c\u62b1\u6b49\uff0c\u5b98\u65b9\u6ca1\u6709\u4efb\u4f55\u6587\u6863\u6765\u8bf4\u660e\u7c7b\u5728\u4ec0\u4e48\u65f6\u5019\u4f1a\u88ab\u52a0\u8f7d\u3002\u4f46\u662f\uff0c\u5b98\u65b9\u6587\u6863\u7ed9\u51fa\u4e86\u516d\u79cd\u7c7b\u5fc5\u987b\u8fdb\u884c\u521d\u59cb\u5316\u7684\u573a\u666f\uff0c\u6beb\u65e0\u7591\u95ee\uff0c\u5982\u679c\u9700\u8981\u5bf9\u7c7b\u8fdb\u884c\u521d\u59cb\u5316\uff0c\u90a3\u4e48\u5c31\u5fc5\u987b\u5148 Loading\u3002<\/p>\n

    \u8fd9\u516d\u79cd\u573a\u666f\u5206\u522b\u662f\uff1a<\/p>\n

      \n
    1. new \u4e00\u4e2a\u7c7b\u6216\u8005\u4f7f\u7528\u67d0\u4e00\u4e2a\u7c7b\u7684\u9759\u6001\u5c5e\u6027\/\u9759\u6001\u65b9\u6cd5\uff0c\u7ed9\u67d0\u4e2a\u7c7b\u7684\u9759\u6001\u5c5e\u6027\u8d4b\u503c\u7b49\u7b49\uff0c\u4e0d\u8fc7\u5bf9\u4e8e\u88ab final \u4fee\u9970\u7684\u7684 static \u53d8\u91cf\u9664\u5916\u3002<\/li>\n
    2. \u901a\u8fc7\u53cd\u5c04\u8c03\u7528\u67d0\u4e2a\u7c7b\u7684\u65f6\u5019\u3002<\/li>\n
    3. \u5f53\u8981\u521d\u59cb\u5316\u67d0\u4e2a\u7c7b\uff0c\u4f46\u662f\u53d1\u73b0\u5176\u7236\u7c7b\u5c1a\u672a\u521d\u59cb\u5316\uff0c\u90a3\u4e48\u5c31\u8981\u53bb\u521d\u59cb\u5316\u7236\u7c7b\uff08\u5982\u679c\u4e00\u4e2a\u63a5\u53e3\u5728\u521d\u59cb\u5316\u7684\u65f6\u5019\u53d1\u73b0\u5176\u7236\u7c7b\u672a\u521d\u59cb\u5316\uff0c\u8fd9\u4e2a\u65f6\u5019\u5e76\u4e0d\u4f1a\u521d\u59cb\u5316\u5176\u7236\u7c7b\uff0c\u53ea\u6709\u5728\u771f\u6b63\u7528\u5230\u4e86\u5176\u7236\u7c7b\u7684\u65f6\u5019\uff0c\u624d\u4f1a\u521d\u59cb\u5316\uff09\u3002<\/li>\n
    4. main \u65b9\u6cd5\u6240\u5728\u7684\u4e3b\u7c7b\u3002<\/li>\n
    5. \u5bf9\u4e8e\u542b\u6709 default \u65b9\u6cd5\u7684\u63a5\u53e3\uff0c\u5982\u679c\u8be5\u63a5\u53e3\u7684\u5b9e\u73b0\u7c7b\u9700\u8981\u8fdb\u884c\u521d\u59cb\u5316\uff0c\u90a3\u4e48\u5c31\u4f1a\u89e6\u53d1\u8be5\u7c7b\u7684\u52a0\u8f7d\u3002<\/li>\n
    6. \u6700\u540e\u4e00\u79cd\u60c5\u51b5\u548c\u52a8\u6001\u8bed\u8a00\u76f8\u5173\u7684\uff0c\u8ddf\u6211\u4eec Java \u5173\u7cfb\u4e0d\u5927\uff0c\u8fd9\u91cc\u5c31\u4e0d\u8ba8\u8bba\u4e86\uff08\u56e0\u4e3a Java \u865a\u62df\u673a\u4e0d\u4ec5\u80fd\u8dd1 Java\uff0c\u4e5f\u80fd\u8dd1 Groovy\u3001Kotlin \u7b49\uff0c\u6240\u4ee5\u865a\u62df\u673a\u652f\u6301\u7684\u5185\u5bb9\u4f1a\u66f4\u52a0\u5e7f\u6cdb\u4e00\u4e9b\uff09\u3002<\/li>\n<\/ol>\n

      \u53ea\u6709\u8fd9\u516d\u79cd\u573a\u666f\u4f1a\u89e6\u53d1\u7c7b\u7684\u521d\u59cb\u5316\uff0c\u51e1\u662f\u4e0d\u7b26\u5408\u8fd9\u516d\u79cd\u60c5\u51b5\u7684\uff0c\u90fd\u4e0d\u4f1a\u89e6\u53d1\u7c7b\u7684\u521d\u59cb\u5316\u3002<\/p>\n

      \u8fd9\u662f\u7c7b\u7684\u52a0\u8f7d\u65f6\u673a\u95ee\u9898\u3002<\/p>\n

      2.2 \u7c7b\u7684\u52a0\u8f7d\u6b65\u9aa4<\/h3>\n

      \u90a3\u4e48\u600e\u4e48\u52a0\u8f7d\u5462\uff1f\u8fd9\u5c31\u6d89\u53ca\u5230\u7c7b\u52a0\u8f7d\u7684\u53cc\u4eb2\u59d4\u6d3e\u95ee\u9898\uff0c\u8fd9\u4e2a\u95ee\u9898\u7f51\u4e0a\u6709\u5f88\u591a\u6587\u7ae0\u4ecb\u7ecd\uff0c\u5185\u5bb9\u672c\u8eab\u4e5f\u4e0d\u7b97\u96be\uff0c\u8fd9\u91cc\u677e\u54e5\u5c31\u4e0d\u5570\u55e6\u4e86\u3002<\/p>\n

      \u901a\u8fc7\u53cc\u4eb2\u59d4\u6d3e\u627e\u5230\u5177\u4f53\u7684\u7c7b\u52a0\u8f7d\u5668\u4e4b\u540e\uff0c\u63a5\u4e0b\u6765\u5c31\u8981\u5f00\u59cb\u6267\u884c\u52a0\u8f7d\u4e86\u3002<\/p>\n

      \u52a0\u8f7d\u4e3b\u8981\u5e72\u4e09\u4ef6\u4e8b\u3002<\/p>\n

        \n
      1. \u901a\u8fc7\u7c7b\u7684\u5168\u9650\u5b9a\u540d\u6765\u83b7\u53d6\u5b9a\u4e49\u8be5\u7c7b\u7684\u4e8c\u8fdb\u5236\u5b57\u8282\u6d41\u3002<\/li>\n<\/ol>\n

        \u5168\u9650\u5b9a\u540d\u4e5f\u5c31\u662f\u7c7b\u7684\u5168\u8def\u5f84\uff0c\u4f8b\u5982 org.javaboy.HelloWorld \u8fd9\u79cd\uff0c\u901a\u8fc7\u8fd9\u4e2a\u540d\u5b57\u53bb\u83b7\u53d6\u7c7b\u7684\u4e8c\u8fdb\u5236\u5b57\u8282\u6d41\u3002\u53bb\u54ea\u91cc\u83b7\u53d6\u5462\uff1f\u53ef\u4ee5\u4ece\u78c1\u76d8\u4e0a\u83b7\u53d6\uff0c\u8fd9\u662f\u6211\u4eec\u6700\u5bb9\u6613\u60f3\u5230\u7684\uff0c\u9664\u4e86\u4ece\u78c1\u76d8\u4e0a\u83b7\u53d6\u4e4b\u5916\uff0c\u4e5f\u53ef\u4ee5\u4ece\u7f51\u7edc\u83b7\u53d6\uff0c\u751a\u81f3\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u901a\u8fc7\u52a8\u6001\u8ba1\u7b97\u751f\u6210\uff0c\u6211\u4eec\u6240\u719f\u77e5\u7684 Java \u52a8\u6001\u4ee3\u7406\u5c31\u5c5e\u4e8e\u8fd9\u79cd\u60c5\u51b5\u3002<\/p><\/blockquote>\n

          \n
        1. \u5c06\u8fd9\u4e2a\u5b57\u8282\u6d41\u6240\u4ee3\u8868\u7684\u9759\u6001\u5b58\u50a8\u7ed3\u6784\u8f6c\u5316\u4e3a\u65b9\u6cd5\u533a\u7684\u8fd0\u884c\u65f6\u6570\u636e\u7ed3\u6784\u3002<\/li>\n
        2. \u5728\u5185\u5b58\u4e2d\u751f\u6210\u4e00\u4e2a\u4ee3\u8868\u8fd9\u4e2a\u7c7b\u7684 Class \u5bf9\u8c61\uff0c\u4f5c\u4e3a\u65b9\u6cd5\u533a\u8fd9\u4e2a\u7c7b\u7684\u5404\u79cd\u6570\u636e\u7684\u8bbf\u95ee\u5165\u53e3\u3002<\/li>\n<\/ol>\n

          \u4e09 Linking<\/h2>\n

          Linking \u8fd9\u4e2a\u73af\u8282\u5206\u4e3a\u4e09\u4e2a\u6b65\u9aa4\uff0c\u5206\u522b\u662f\uff1a<\/p>\n

            \n
          1. Verification<\/li>\n
          2. Preparing<\/li>\n
          3. Resolution<\/li>\n<\/ol>\n

            \u6211\u4eec\u5206\u522b\u6765\u770b\u3002<\/p>\n

            3.1 Verification<\/h3>\n

            \u9a8c\u8bc1\u8fd9\u4e2a\u73af\u8282\u5c31\u8981\u5c31\u662f\u68c0\u67e5\u8f93\u5165\u7684\u4e8c\u8fdb\u5236\u5b57\u8282\u6d41\u662f\u5426\u7b26\u5408\u8981\u6c42\u3002<\/p>\n

            \u6b63\u5e38\u6765\u8bf4\uff0c\u6211\u4eec\u7684 Java \u4ee3\u7801\u5199\u5b8c\u4e4b\u540e\u4f1a\u8fdb\u884c\u7f16\u8bd1\uff0c\u6709\u95ee\u9898\u7684\u8bdd\uff0c\u7f16\u8bd1\u9636\u6bb5\u5c31\u62a5\u9519\u4e86\uff0c\u7b49\u4e0d\u5230\u7c7b\u52a0\u8f7d\u9636\u6bb5\u3002<\/p>\n

            \u4e0d\u8fc7\u7531\u4e8e JVM \u8bfb\u53d6\u7684\u4e8c\u8fdb\u5236\u5b57\u8282\u6d41\u4e0d\u4e00\u5b9a\u662f\u901a\u8fc7 Java \u6e90\u4ee3\u7801\u7f16\u8bd1\u540e\u83b7\u53d6\u5230\u7684\uff0c\u4e5f\u6709\u53ef\u80fd\u662f\u5176\u4ed6\u8bed\u8a00\u7f16\u8bd1\u5f97\u5230\u7684\uff0c\u751a\u81f3\u53ef\u80fd\u6709\u67d0\u4e2a\u5927\u795e\u76f4\u63a5\u7528\u4e8c\u8fdb\u5236\u7f16\u8f91\u5668 0\u30011\u30010\u30011 \u8fd9\u6837\u6572\u51fa\u6765\u7684\uff0c\u6240\u4ee5\u7ad9\u5728 JVM \u7684\u89d2\u5ea6\uff0c\u5fc5\u987b\u8981\u5bf9\u8f93\u5165\u7684\u4e8c\u8fdb\u5236\u6d41\u8fdb\u884c\u6821\u9a8c\uff0c\u786e\u4fdd\u8bfb\u53d6\u7684\u6570\u636e\u6ca1\u6709\u95ee\u9898\u3002<\/p>\n

            \u9a8c\u8bc1\u7684\u5185\u5bb9\u4e3b\u8981\u6709\u8fd9\u4e9b\uff1a<\/p>\n

              \n
            1. \u9b54\u6570\u662f\u5426\u4ee5 0xCAFEBABE<\/code> \u5f00\u59cb\u3002<\/li>\n<\/ol>\n

              \u9b54\u6570\u662f Class \u6587\u4ef6\u7684\u5f00\u59cb\u6807\u8bb0\uff0c\u8fd9\u4e2a\u4f4d\u7f6e\u662f\u4e00\u4e2a\u56fa\u5b9a\u7684\u5b57\u7b26\uff0cCAFE BABE\u3002<\/p><\/blockquote>\n

              \u677e\u54e5\u8fd9\u91cc\u968f\u4fbf\u7528\u4e8c\u8fdb\u5236\u7f16\u8f91\u5668\u6253\u5f00\u4e00\u4e2a Class \u6587\u4ef6\u7ed9\u5927\u5bb6\u770b\u4e0b\uff1a<\/p>\n

              \"\"<\/p>\n

                \n
              1. \u4e3b\u6b21\u7248\u672c\u53f7\u662f\u5426\u5728\u5f53\u524d Java \u865a\u62df\u673a\u6240\u80fd\u63a5\u53d7\u7684\u8303\u56f4\u5185\u3002<\/li>\n<\/ol>\n

                CAFEBABE \u540e\u9762\u7d27\u8ddf\u7740\u7684\u662f\u6b21\u7248\u672c\u53f7\uff0c\u6b21\u7248\u672c\u53f7\u540e\u9762\u7d27\u8ddf\u7740\u7684\u662f\u4e3b\u7248\u672c\u53f7\u3002\u4ee5\u4e0a\u56fe\u4e3a\u4f8b\uff0c\u6b21\u7248\u672c\u53f7\u4e3a 0\uff0c\u4e3b\u7248\u672c\u53f7 3D \u8f6c\u4e3a\u5341\u8fdb\u5236\u662f 61\u3002\u9ad8\u7248\u672c\u7684 JDK \u53ef\u4ee5\u5411\u4e0b\u517c\u5bb9\u4ee5\u524d\u65e7\u7248\u672c\u7684 Class \u6587\u4ef6\uff0c\u4f46\u662f\u65e0\u6cd5\u8fd0\u884c\u4ee5\u540e\u7248\u672c\u7684 Class \u6587\u4ef6\uff0cClass \u6587\u4ef6\u7684\u4e3b\u7248\u672c\u53f7\u548c JDK \u7684\u5173\u7cfb\u5982\u4e0b\u56fe\u3002<\/p><\/blockquote>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
                JDK \u7248\u672c\u53f7<\/th>\nClass \u4e3b\u7248\u672c\u53f7<\/th>\n<\/tr>\n<\/thead>\n
                JDK 19<\/td>\n63<\/td>\n<\/tr>\n
                JDK 18<\/td>\n62<\/td>\n<\/tr>\n
                JDK 17<\/td>\n61<\/td>\n<\/tr>\n
                JDK 16<\/td>\n60<\/td>\n<\/tr>\n
                JDK 15<\/td>\n59<\/td>\n<\/tr>\n
                JDK 14<\/td>\n58<\/td>\n<\/tr>\n
                JDK 13<\/td>\n57<\/td>\n<\/tr>\n
                JDK 12<\/td>\n56<\/td>\n<\/tr>\n
                JDK 11<\/td>\n55<\/td>\n<\/tr>\n
                JDK 10<\/td>\n54<\/td>\n<\/tr>\n
                JDK 9<\/td>\n53<\/td>\n<\/tr>\n
                JDK 8<\/td>\n52<\/td>\n<\/tr>\n
                JDK 7<\/td>\n51<\/td>\n<\/tr>\n
                JDK 6.0<\/td>\n50<\/td>\n<\/tr>\n
                JDK 5.0<\/td>\n49<\/td>\n<\/tr>\n
                JDK 1.4<\/td>\n48<\/td>\n<\/tr>\n
                JDK 1.3<\/td>\n47<\/td>\n<\/tr>\n
                JDK 1.2<\/td>\n46<\/td>\n<\/tr>\n
                JDK 1.1<\/td>\n45.0-45.6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                  \n
                1. \u5e38\u91cf\u6c60\u4e2d\u662f\u5426\u6709\u4e0d\u88ab\u652f\u6301\u7684\u5e38\u91cf\u7c7b\u578b<\/li>\n
                2. \u5f53\u524d\u7c7b\u662f\u5426\u5b58\u5728\u7236\u7c7b\uff08\u6240\u6709\u7c7b\u90fd\u5e94\u5f53\u6709\u7236\u7c7b\uff09\uff1f\u5f53\u524d\u7c7b\u662f\u5426\u7ee7\u627f\u4e86 final \u7c7b\uff08\u4e0d\u5e94\u5f53\u7ee7\u627f final \u7c7b\uff09\uff1f\u5982\u679c\u5f53\u524d\u7c7b\u4e0d\u662f\u62bd\u8c61\u7c7b\uff0c\u662f\u5426\u5b9e\u73b0\u4e86\u5176\u7236\u7c7b\u6216\u8005\u63a5\u53e3\u4e2d\u8981\u6c42\u5b9e\u73b0\u7684\u65b9\u6cd5\u7b49\u7b49\u3002<\/li>\n
                3. \u5bf9\u5b57\u8282\u7801\u8fdb\u884c\u6821\u9a8c\u3002<\/li>\n
                4. \u7b26\u53f7\u5f15\u7528\u80fd\u5426\u627e\u5230\u5bf9\u5e94\u7684\u7c7b\uff0c\u7b26\u53f7\u5f15\u7528\u4e2d\u6d89\u53ca\u5230\u7684\u7c7b\u3001\u5b57\u6bb5\u3001\u65b9\u6cd5\u7b49\u7684\u8bbf\u95ee\u6027\u662f\u5426\u6ee1\u8db3\u8981\u6c42\u3002<\/li>\n<\/ol>\n

                  \u7531\u4e8e\u9a8c\u8bc1\u8fd9\u5757\u7684\u73af\u8282\u975e\u5e38\u590d\u6742\uff0c\u6d41\u7a0b\u4e5f\u591a\uff0c\u56e0\u6b64\uff0c\u5982\u679c\u81ea\u5df1\u6709\u529e\u6cd5\u786e\u8ba4\u81ea\u5df1\u7684\u4ee3\u7801\u662f OK \u7684\uff0c\u90a3\u4e48\u4e5f\u53ef\u4ee5\u4f7f\u7528 -Xverify:none \u6765\u5173\u95ed\u5927\u90e8\u5206\u7684\u7c7b\u9a8c\u8bc1\uff0c\u8fd9\u6837\u53ef\u4ee5\u7f29\u77ed\u865a\u62df\u673a\u52a0\u8f7d\u7c7b\u7684\u65f6\u95f4\u3002<\/p><\/blockquote>\n

                  \u8fd9\u91cc\u68c0\u67e5\u7684\u5185\u5bb9\u5176\u5b9e\u975e\u5e38\u591a\uff0c\u5b98\u65b9\u6587\u6863\u8db3\u8db3\u6709 100 \u591a\u9875\uff0c\u677e\u54e5\u8fd9\u91cc\u5c31\u4e0d\u9010\u4e00\u5217\u4e3e\u4e86\uff0c\u5c0f\u4f19\u4f34\u4eec\u4e3b\u8981\u662f\u77e5\u9053\u8fd9\u91cc\u7684\u6838\u5fc3\u76ee\u7684\u662f\u68c0\u67e5\u5e76\u786e\u4fdd\u8bfb\u5165\u5230\u5185\u5b58\u4e2d\u7684\u5b57\u8282\u6d41\u662f\u6ca1\u6709\u95ee\u9898\u7684\u3002<\/p>\n

                  3.2 Preparing<\/h3>\n

                  \u8fd9\u4e00\u9636\u6bb5\u4e3b\u8981\u662f\u7ed9\u7c7b\u4e2d\u7684\u9759\u6001\u5c5e\u6027\u8bbe\u7f6e\u521d\u59cb\u503c\u3002<\/p>\n

                  \u4f8b\u5982\u5b9a\u4e49\u4e86 public static int a = 5;<\/code>\uff0c\u90a3\u4e48\u5c31\u4f1a\u4e3a\u8be5\u53d8\u91cf\u5728\u5185\u5b58\u4e2d\uff08\u5806\uff09\u5206\u914d\u5b58\u50a8\u7a7a\u95f4\uff0c\u5e76\u8bbe\u7f6e\u521d\u59cb\u503c\uff08int \u7c7b\u578b\u521d\u59cb\u503c\u662f 0\uff09\uff0c\u6ce8\u610f\u8fd9\u4e2a\u65f6\u5019\u5e76\u4e0d\u4f1a\u5c06 a \u8bbe\u7f6e\u4e3a 5\uff0c\u56e0\u4e3a\u8fd8\u6ca1\u5230\u6700\u7ec8\u7684\u521d\u59cb\u5316\u9636\u6bb5\u3002<\/p>\n

                  \u4f46\u662f\u5982\u679c\u5c5e\u6027\u5728\u5b9a\u4e49\u7684\u65f6\u5019\u5c31\u5df2\u7ecf\u5b9a\u4e49\u4e3a\u5e38\u91cf\u4e86\uff0c\u4f8b\u5982 public final static int a = 5;<\/code>\uff0c\u5219\u4f1a\u76f4\u63a5\u7ed9\u5c5e\u6027\u6700\u7ec8\u8d4b\u503c\u3002<\/p>\n

                  3.3 Resolution<\/h3>\n

                  \u63a5\u4e0b\u6765\u662f\u89e3\u6790\uff0c\u89e3\u6790\u4e3b\u8981\u662f\u5c06\u5e38\u91cf\u6c60\u5185\u7684\u7b26\u53f7\u5f15\u7528\u66ff\u6362\u4e3a\u76f4\u63a5\u5f15\u7528\u7684\u8fc7\u7a0b\u3002<\/p>\n

                  \u4ec0\u4e48\u662f\u7b26\u53f7\u5f15\u7528\u5462\uff1f<\/p>\n

                  \u7b26\u53f7\u5f15\u7528\u662f\u4ee5\u4e00\u7ec4\u7b26\u53f7\u6765\u63cf\u8ff0\u5f15\u7528\u7684\u76ee\u6807\uff0c\u56e0\u4e3a\u5728\u7f16\u8bd1\u9636\u6bb5\uff0c\u865a\u62df\u673a\u5e76\u4e0d\u77e5\u9053\u6240\u5f15\u7528\u7684\u7c7b\u7684\u5177\u4f53\u4f4d\u7f6e\uff0c\u56e0\u6b64\u5c31\u4f7f\u7528\u7b26\u53f7\u5f15\u7528\u6765\u4ee3\u66ff\u3002\u7b26\u53f7\u53ef\u4ee5\u662f\u4efb\u4f55\u5b57\u9762\u91cf\uff0c\u53ea\u8981\u5728\u4f7f\u7528\u65f6\u80fd\u591f\u65e0\u6b67\u4e49\u7684\u5b9a\u4f4d\u5230\u76ee\u6807\u5373\u53ef\u3002<\/p><\/blockquote>\n

                  \u4ec0\u4e48\u662f\u76f4\u63a5\u5f15\u7528\u5462\uff1f<\/p>\n

                  \u76f4\u63a5\u5f15\u7528\u5c31\u662f\u4e00\u4e2a\u53ef\u4ee5\u76f4\u63a5\u6307\u5411\u76ee\u6807\u7684\u6307\u9488\uff0c\u76f8\u5bf9\u504f\u79fb\u91cf\u7b49\u3002<\/p><\/blockquote>\n

                  \u6240\u4ee5\uff0c\u7b26\u53f7\u5f15\u7528\u8f6c\u4e3a\u76f4\u63a5\u5f15\u7528\u5176\u5b9e\u5c31\u662f\u539f\u672c\u662f\u901a\u8fc7\u5b57\u7b26\u53bb\u5f15\u7528\u67d0\u4e2a\u53d8\u91cf\uff0c\u73b0\u5728\u76f4\u63a5\u6539\u4e3a\u901a\u8fc7\u5185\u5b58\u5730\u5740\u6765\u8bbf\u95ee\u8be5\u53d8\u91cf\u4e86\u3002<\/p>\n

                  \u89e3\u6790\u7684\u7b26\u53f7\u4e3b\u8981\u6709\u4e03\u79cd\uff0c\u5206\u522b\u662f\u7c7b\u6216\u8005\u63a5\u53e3\u3001\u5b57\u6bb5\u3001\u7c7b\u65b9\u6cd5\u3001\u63a5\u53e3\u65b9\u6cd5\u3001\u65b9\u6cd5\u7c7b\u578b\u3001\u65b9\u6cd5\u53e5\u67c4\u548c\u8c03\u7528\u70b9\u9650\u5b9a\u7b26\u3002<\/p>\n

                  \u677e\u54e5\u8fd9\u91cc\u4ee5\u4e00\u4e2a\u7c7b\u7684\u89e3\u6790\u4e3a\u4f8b\uff0c\u548c\u5c0f\u4f19\u4f34\u4eec\u7b80\u5355\u8bf4\u660e\u4e00\u4e0b\u8fd9\u4e2a\u89e3\u6790\u8fc7\u7a0b\u3002<\/p>\n

                  \u5047\u8bbe\u5f53\u524d\u7c7b\u662f C1\uff0c\u5f53\u524d\u7c7b\u4e2d\u5b58\u5728\u4e00\u4e2a\u7b26\u53f7\u5f15\u7528 F\uff0c\u6211\u4eec\u8981\u5c06\u8fd9\u4e2a\u7b26\u53f7\u5f15\u7528 F \u89e3\u6790\u4e3a\u4e00\u4e2a\u7c7b C2\uff0c\u90a3\u4e48\u6d41\u7a0b\u662f\u8fd9\u6837\uff1a<\/p>\n

                    \n
                  1. \u5982\u679c C2 \u662f\u4e00\u4e2a\u666e\u901a\u5bf9\u8c61\u800c\u4e0d\u662f\u63a5\u53e3\uff0c\u90a3\u4e48 JVM \u4f1a\u628a\u4ee3\u8868 F \u7684\u5168\u9650\u5b9a\u540d\u4f20\u9012\u7ed9 C1 \u7684\u7c7b\u52a0\u8f7d\u5668\u53bb\u52a0\u8f7d\u8fd9\u4e2a\u7c7b\uff0c\u5f53\u7136\uff0c\u8fd9\u4e2a\u52a0\u8f7d\u8fc7\u7a0b\u53c8\u662f\u4e00\u6574\u5957\u7684\u7c7b\u52a0\u8f7d\u6d41\u7a0b\u3002<\/li>\n
                  2. \u5982\u679c C2 \u662f\u4e00\u4e2a\u5bf9\u8c61\u6570\u7ec4\uff0c\u90a3\u4e48\u9996\u5148\u6309\u7167\u7b2c\u4e00\u6b65\u7684\u65b9\u5f0f\u5148\u53bb\u52a0\u8f7d\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u7c7b\u578b\uff0c\u7136\u540e\u7531\u865a\u62df\u673a\u53bb\u751f\u6210\u4e00\u4e2a\u4ee3\u8868\u8be5\u6570\u7ec4\u7684\u5bf9\u8c61\u3002<\/li>\n<\/ol>\n

                    \u5c31\u8fd9\u6837\u7b80\u5355\u4e24\u4e2a\u6b65\u9aa4\uff0c\u5f53\u7136\uff0c\u5728\u8fd9\u4e2a\u6d41\u7a0b\u4e2d\uff0c\u4e5f\u4f1a\u53bb\u68c0\u67e5 C1 \u662f\u5426\u5177\u5907\u5bf9 C2 \u7684\u8bbf\u95ee\u6743\u9650\uff0c\u8fd9\u4e2a\u4e3b\u8981\u662f\u68c0\u67e5 module \u8bbf\u95ee\u6743\u9650\u548c\u7c7b\u7684\u8bbf\u95ee\u6743\u9650\u3002<\/p>\n

                    \u56db Initialization<\/h2>\n

                    \u63a5\u4e0b\u6765\u5c31\u662f\u7c7b\u7684\u521d\u59cb\u5316\u9636\u6bb5\u4e86\uff0c\u5982\u679c\u60f3\u8ba9\u8fd9\u4e2a\u9636\u6bb5\u66f4\u52a0\u5177\u8c61\u5316\uff0c\u90a3\u4e48\u8fd9\u4e2a\u9636\u6bb5\u5b9e\u9645\u4e0a\u662f\u8c03\u7528\u7c7b\u7684 clinit \u65b9\u6cd5\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u5e76\u4e0d\u662f\u5f00\u53d1\u8005\u5199\u7684\uff0c\u800c\u662f\u7531 javac \u7f16\u8bd1\u5668\u81ea\u52a8\u751f\u6210\u7684\u3002<\/p>\n

                    javac \u81ea\u52a8\u751f\u6210\u7684 clinit \u65b9\u6cd5\u4e3b\u8981\u662f\u5c06\u9759\u6001\u53d8\u91cf\u8d4b\u503c\u548c\u9759\u6001\u4ee3\u7801\u5757\u7684\u76f8\u5173\u5185\u5bb9\u5408\u5e76\u8d77\u6765\u3002\u5728\u6267\u884c clinit \u65b9\u6cd5\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5e76\u4e0d\u4f1a\u663e\u5f0f\u7684\u8c03\u7528\u7236\u7c7b\u7684 clinit \u65b9\u6cd5\uff0c\u800c\u662f\u7531\u865a\u62df\u673a\u53bb\u786e\u4fdd\u5728\u6267\u884c\u5b50\u7c7b\u7684 clinit \u65b9\u6cd5\u4e4b\u524d\uff0c\u7236\u7c7b\u7684 clinit \u65b9\u6cd5\u5df2\u7ecf\u88ab\u6267\u884c\u8fc7\u4e86\u3002<\/p>\n

                    \u4f8b\u5982\u4e3a static \u7c7b\u578b\u7684\u53d8\u91cf\u8d4b\u503c\uff0c\u5c31\u662f\u5728\u8fd9\u4e2a\u73af\u8282\u5b8c\u6210\u7684\u3002<\/p>\n

                    \u4e94 Using\/Unloading<\/h2>\n

                    \u6700\u540e\u5c31\u662f Using \u548c Unloading \u4e86\uff0c\u8fd9\u5757\u5c31\u7b80\u5355\u4e86\uff0c\u4e0d\u591a\u8bf4\u3002<\/p>\n

                    https:\/\/segmentfault.com\/a\/1190000045578644<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

                    @[toc]\u6709\u5c0f\u4f19\u4f34\u6700\u8fd1\u5728\u9762\u8bd5\u8fc7\u7a0b\u4e2d\u9047\u5230\u8fd9\u6837\u4e00\u4e2a\u95ee\u9898\uff1a Java \u4e2d\u7684\u7c7b\u662f\u5982\u4f55\u52a0\u8f7d\u7684\uff1f \u8fd9\u4e2a\u95ee\u9898\u8fd8\u662f\u5f88\u6709\u610f\u601d\uff0c […]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10020452","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10020452","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10020452"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10020452\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10020452"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10020452"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10020452"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}