{"id":1489,"date":"2024-08-09T13:03:16","date_gmt":"2024-08-09T05:03:16","guid":{"rendered":"http:\/\/www.jusesgod.com\/?p=1489"},"modified":"2024-08-09T13:03:21","modified_gmt":"2024-08-09T05:03:21","slug":"%e7%ac%ac%e4%b8%80%e9%83%a8%e5%88%86-java%e8%99%9a%e6%8b%9f%e6%9c%ba%e5%92%8c%e5%9e%83%e5%9c%be%e5%9b%9e%e6%94%b6%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86","status":"publish","type":"post","link":"http:\/\/www.jusesgod.com\/?p=1489","title":{"rendered":"\u7b2c\u4e00\u90e8\u5206 Java\u865a\u62df\u673a\u548c\u5783\u573e\u56de\u6536\u57fa\u7840\u77e5\u8bc6"},"content":{"rendered":"\n

Java\u4ee3\u7801\u7684\u6267\u884c\u8fc7\u7a0b<\/h3>\n\n\n\n

\u9996\u5148\u5728\u6267\u884c\u524d<\/strong>\u628aJava\u4ee3\u7801\u7f16\u8bd1\u6210\u5b57\u8282\u7801\uff08ByteCode\uff09\u3002\u7136\u540e\u7531JVM\u6267\u884c\u5b57\u8282\u7801\u3002
\u5b57\u8282\u7801\u6267\u884c\u6d89\u53ca\u5b57\u8282\u7801\u7684\u89e3\u91ca\u3001\u7f16\u8bd1\uff0c\u4ee5\u53ca\u89e3\u91ca\/\u7f16\u8bd1\u4ee3\u7801\u7684\u6267\u884c\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Java\u7a0b\u5e8f\u5728\u6267\u884c\u8fc7\u7a0b\u4e2d\u5373\u5b58\u5728\u89e3\u91ca\u6267\u884c\u4e5f\u5b58\u5728\u7f16\u8bd1\u6267\u884c\uff0c\u8fd8\u5b58\u5728\u7f16\u8bd1\u4f18\u5316\uff08Just-In-Time\uff09\u3002<\/p>\n\n\n\n

Java\u6267\u884c\u67b6\u6784\u56fe<\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n

C1\u7f16\u8bd1\u5668\u901f\u5ea6\u5feb\uff0c\u6bd4\u90a3\u4e00\u8d28\u91cf\u4f4e\u3002
C2\u7f16\u8bd1\u5668\u65f6\u95f4\u957f\uff0c\u4f46\u662f\u8d28\u91cf\u9ad8\u3002<\/p>\n\n\n\n

C++\u9762\u5411\u5bf9\u8c61\u7684\u652f\u6301\uff1a<\/h3>\n\n\n\n
    \n
  1. \u5c01\u88c5\u652f\u6301\uff1a\u901a\u8fc7\u628athis\u653e\u5728\u53c2\u6570\u5217\u8868\u4e2d\uff0c\u5c06\u6210\u5458\u51fd\u6570\u8f6c\u5316\u6210C\u8bed\u8a00\u7684\u666e\u901a\u51fd\u6570\u3002<\/li>\n\n\n\n
  2. \u7ee7\u627f\u652f\u6301\uff1a\u7f16\u8bd1\u5668\u628a\u7236\u7c7b\u7684\u6210\u5458\u53d8\u91cf\u5168\u90e8\u590d\u5236\u5230\u5b50\u7c7b\u4e2d\u5b9e\u73b0\u7ee7\u627f\u3002<\/li>\n\n\n\n
  3. \u591a\u6001\u652f\u6301\uff1a\n
      \n
    • \u9759\u6001\u591a\u6001\uff1a\u5bf9\u51fd\u6570\u540d\u8fdb\u884c\u7f16\u7801\uff08name mangling\uff09\u751f\u6210\u552f\u4e00\u7684\u4e00\u4e2a\u51fd\u6570\u540d\u3002<\/li>\n\n\n\n
    • \u52a8\u6001\u591a\u6001\uff1a\u51fd\u6570\u91cd\u5199\uff08override\uff09\uff0c\u901a\u8fc7\u865a\u51fd\u6570\u5b9e\u73b0\u3002\u751f\u6210\u4e00\u4e2a\u865a\u51fd\u6570\u8868\uff0c\u5b58\u653e\u7f16\u8bd1\u540e\u7684\u51fd\u6570\u5730\u5740\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n

      GC\u7b97\u6cd5\u5206\u7c7b\uff1a<\/h3>\n\n\n\n

      \u5f15\u7528\u8ba1\u6570\uff08reference count\uff09\u6cd5\u548c\u53ef\u8fbe\u6027\u5206\u6790\uff08tracing\uff09\u6cd5\uff08\u4e5f\u79f0\u4e3a\u6839\u5f15\u7528\u5206\u6790\u6cd5\uff09\u3002<\/p>\n\n\n\n

      \u5f15\u7528\u8ba1\u6570\u6cd5\u5b9e\u73b0\u65b9\u4fbf\uff0c\u4f46\u662f\u5b58\u5728\u4e00\u4e9b\u95ee\u9898\uff1a<\/p>\n\n\n\n

        \n
      1. \u5e76\u53d1\u573a\u666f\u4e2d\uff0c\u4e3a\u4e86\u4f7f\u8ba1\u6570\u5668\u7684\u4fee\u6539\u540c\u6b65\uff0c\u9700\u8981\u4f7f\u7528\u5f88\u590d\u6742\u7684\u65e0\u9501\u7b97\u6cd5\u3002<\/li>\n\n\n\n
      2. \u5f15\u7528\u8ba1\u6570\u5728\u5bf9\u8c61\u56de\u6536\u65f6\u4f1a\u5f15\u53d1\u94fe\u5f0f\u53cd\u5e94\uff0c\u6240\u4ee5\u56de\u6536\u65f6\u65f6\u95f4\u4e0d\u53ef\u63a7\u3002<\/li>\n\n\n\n
      3. \u65e0\u6cd5\u6709\u6548\u7684\u89e3\u51b3\u5faa\u73af\u5f15\u7528\u7684\u95ee\u9898\u3002<\/li>\n<\/ol>\n\n\n\n

        JVM\u4f7f\u7528\u7684\u662f\u53ef\u8fbe\u6027\u5206\u6790\u6cd5\u3002<\/p>\n\n\n\n

        GC\u5bf9\u8c61\u7684\u8868\u793a\u65b9\u5f0f\uff1a<\/h3>\n\n\n\n

        \u5728\u79fb\u52a8\u5f0f\u7684GC\u7b97\u6cd5\u4e2d\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u5bf9\u8c61\u5728GC\u8fc7\u7a0b\u4e2d\u53ea\u79fb\u52a8\u4e00\u6b21\uff0c\u901a\u5e38\u9700\u8981\u8bb0\u5f55\u5bf9\u8c61\u79fb\u52a8\u524d\u540e\u7684\u6620\u5c04\u5173\u7cfb\uff0c\u8bb0\u5f55\u4fe1\u606f\u7684\u65b9\u5f0f\u6709\u591a\u79cd\u3002
        \u65e9\u671f\u7684GC\u5b9e\u73b0\u4e2d\u503e\u5411\u4e8e\u8bb0\u5f55\u5728\u5bf9\u8c61\u5934\u4e2d\uff0c\u800c\u6700\u65b0\u7684\u5783\u573e\u56de\u6536\u5b9e\u73b0\u56e0\u4e3a\u7b97\u6cd5\u7684\u590d\u6742\u6027\uff0c\u53ef\u80fd\u9700\u8981\u501f\u52a9\u989d\u5916\u7684\u6570\u636e\u7ed3\u6784\u6765\u4fdd\u8bc1GC\u7684\u6b63\u786e\u6027\u3002<\/p>\n\n\n\n

        promoted\u7684\u72b6\u6001\uff0cpromo_bits\u901a\u8fc7\u91cd\u7528\u52a0\u9501\u4f4d\uff0811\uff09\u6765\u4fdd\u5b58\u5bf9\u8c61\u5934\u3002\u3010\u8fd9\u5757\u6ca1\u770b\u61c2\u3011<\/p>\n\n\n\n

        GC\u7b97\u6cd5\u6982\u8ff0<\/h2>\n\n\n\n

        GC\u7b97\u6cd5\u5230\u76ee\u524d\u4e3a\u6b62\u57fa\u672c\u6ca1\u6709\u592a\u5927\u7684\u521b\u65b0\uff0c\u53ef\u4ee5\u5206\u4e3a\u590d\u5236\u7b97\u6cd5\uff08Copying GC\uff09\u3001\u6807\u8bb0\u6e05\u9664\uff08Mark-Sweep GC\uff09\u548c\u6807\u8bb0\u538b\u7f29\uff08Mark-Compact GC\uff09\u3002<\/p>\n\n\n\n

        \u590d\u5236\u7b97\u6cd5<\/h3>\n\n\n\n

        \u590d\u5236\u7b97\u6cd5\u7a7a\u95f4\u5229\u7528\u7387\u6709\u9650\uff0c\u4f46\u662f\u6548\u7387\u5f88\u9ad8\uff0c\u800c\u4e14\u6ca1\u6709\u788e\u7247\u5316\u95ee\u9898\u3002<\/p>\n\n\n\n

        \u5c06\u7a7a\u95f4\u5206\u6210\u4e24\u4efd\uff0cFrom Space\u548c To Space\uff0cFrom\u7528\u4e8e\u5e94\u7528\u7684\u5185\u5b58\u5206\u914d\uff0cTo\u7528\u4e8e\u6267\u884cGC\u65f6\u6d3b\u8dc3\u5bf9\u8c61\u7684\u8f6c\u79fb\uff0cGC\u6267\u884c\u65f6\u4f1a\u5c06\u6240\u6709\u6d3b\u8dc3\u5bf9\u8c61\u8f6c\u79fb\u5230To\u4e2d\u3002GC\u5b8c\u6210\u540eFrom\u548cTo\u4ea4\u6362\u3002<\/p>\n\n\n\n

        \u8fd9\u4e2a\u7b97\u6cd5\u6709\u4e2a\u7f3a\u70b9\uff0c\u5185\u5b58\u5229\u7528\u7387\u53ea\u670950%\u3002JVM\u5bf9\u590d\u5236\u7b97\u6cd5\u8fdb\u884c\u4e86\u4f18\u5316\uff0c\u5206\u62103\u4e2a\u90e8\u5206\uff1aEden\u3001Survivor0\u3001Survivor1\u3002\u901a\u5e38\u6bd4\u4f8b\u4e3a8:1:1\uff0c\u8fd9\u4e2a\u5206\u914d\u7684\u4f9d\u636e\u662f\uff0c\u5927\u90e8\u4efd\u7684\u5bf9\u8c61\u90fd\u4f1a\u5f88\u5feb\u6b7b\u4ea1\u3002<\/p>\n\n\n\n

        \u6807\u8bb0\u6e05\u9664\u7b97\u6cd5<\/h3>\n\n\n\n

        \u6807\u8bb0\u6e05\u9664\u7b97\u6cd5\u7a7a\u95f4\u5229\u7528\u7387\u9ad8\uff0c\u4f46\u662f\u8981\u8003\u8651\u5185\u5b58\u5206\u914d\u548c\u788e\u7247\u5316\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n

        \u6807\u8bb0\u6e05\u9664\u7b97\u6cd5\u4f7f\u7528\u94fe\u8868\u7684\u65b9\u5f0f\u6765\u7ba1\u7406\u5185\u5b58\u3002\u5728GC\u65f6\u5148\u904d\u5386\u6240\u6709\u6d3b\u8dc3\u5bf9\u8c61\uff0c\u7136\u540e\u518d\u5c06\u975e\u6d3b\u8dc3\u5bf9\u8c61\u91ca\u653e\u5e76\u52a0\u5165\u7a7a\u95f2\u94fe\u8868\uff0c\u8fd9\u5c31\u9700\u8981\u989d\u5916\u7684\u63a7\u5236\u7b56\u7565\uff0c\u5c06\u4f1a\u5728\u4e4b\u540e\u7684\u7ae0\u8282\u4e2d\u5c55\u793a\u66f4\u591a\u7ec6\u8282\u3002<\/p>\n\n\n\n

        \u6807\u8bb0\u538b\u7f29\u7b97\u6cd5<\/h3>\n\n\n\n

        \u6807\u8bb0\u538b\u7f29\u7b97\u6cd5\u7528\u6765\u89e3\u51b3\u6807\u8bb0\u6e05\u9664\u7b97\u6cd5\u7684\u788e\u7247\u5316\u95ee\u9898\uff0c\u4e00\u822c\u4f5c\u4e3a\u4fdd\u5e95\u65b9\u6cd5\u3002<\/p>\n\n\n\n

        \u5206\u4ee3\u56de\u6536<\/h3>\n\n\n\n

        \u6309\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u8fdb\u884c\u5212\u5206\u65b0\u751f\u4ee3\u548c\u8001\u751f\u4ee3\uff0c\u65b0\u751f\u4ee3\u5bf9\u8c61\u751f\u547d\u5468\u671f\u77ed\u4f7f\u7528\u590d\u5236\u7b97\u6cd5\u8fdb\u884c\u7ba1\u7406\uff0c\u8001\u751f\u4ee3\u4f7f\u7528\u6807\u8bb0\u6e05\u9664\u7b97\u6cd5\u7ba1\u7406\u3002
        \u65b0\u8001\u751f\u4ee3\u7684\u5468\u671f\u7ba1\u7406\u6709\u5f31\u5206\u4ee3\u7406\u8bba\u5047\u8bbe\u548c\u5f3a\u5206\u4ee3\u7406\u8bba\u5047\u8bbe\u4e24\u79cd\uff1a<\/p>\n\n\n\n

          \n
        1. \u5f31\u5206\u4ee3\u7406\u8bba\u5047\u8bbe\uff1a\u5bf9\u8c61\u5206\u914d\u540e\u5185\u5b58\u5f88\u5feb\u4f7f\u7528\uff0c\u5e76\u4e14\u4f7f\u7528\u540e\u5f88\u5feb\u5c31\u4e0d\u518d\u4f7f\u7528\uff08\u5185\u5b58\u53ef\u4ee5\u91ca\u653e\uff09\u3002<\/li>\n\n\n\n
        2. \u5f3a\u5206\u4ee3\u7406\u8bba\u5047\u8bbe\uff1a\u5047\u5b9a\u5bf9\u8c61\u957f\u671f\u5b58\u6d3b\uff0c\u672a\u6765\u6b64\u7c7b\u5bf9\u8c61\u8fd8\u957f\u671f\u5b58\u6d3b\u3002<\/li>\n<\/ol>\n\n\n\n

          \u76ee\u524d\u5f31\u5206\u4ee3\u7406\u8bba\u5728\u9ad8\u7ea7\u8bed\u8a00\u4e2d\u666e\u904d\u5f97\u5230\u8bc1\u5b9e\u548c\u8ba4\u53ef\u3002\u5f3a\u5f31\u5206\u4ee3\u7406\u8bba\u5728JVM\u4e2d\u5747\u6709\u4f53\u73b0\u3002<\/p>\n\n\n\n

          \u56fa\u5b9a\u548c\u6d6e\u52a8\u8fb9\u754c\uff1a\u6d6e\u52a8\u8fb9\u754c\u5bf9\u4f7f\u7528\u8005\u53cb\u597d\uff0c\u4f46\u662f\u5b9e\u73b0\u96be\u5ea6\u589e\u52a0\u5f88\u591a\uff0c\u53ea\u6709\u4e00\u6b3e\u5783\u573e\u56de\u6536\u5668\u5b9e\u73b0\u4e86\u8fb9\u754c\u6d6e\u52a8\uff0c\u5e76\u5728JDK15\u4e2d\u79fb\u9664\u3002<\/p>\n\n\n\n

          GC\u7684\u6839<\/h2>\n\n\n\n

          JVM\u4e2d\u5b58\u5728\u4e24\u79cd\u7c7b\u578b\u7684\u6839\uff1a\u5f3a\u6839\/\u5f31\u6839\u3002\u5f3a\u6839\u65f6\u771f\u6b63\u7684\u6839\uff0c\u6807\u8bb0\u6d3b\u8dc3\u5bf9\u8c61\u3002\u5f31\u6839\u53ea\u662f\u4e3a\u4e86\u652f\u6301\u8bed\u8a00\u7279\u6027\u3002<\/p>\n\n\n\n

          \u5f3a\u6839<\/h3>\n\n\n\n

          \u4f1a\u8fdb\u884c\u7cbe\u786eGC\uff0c\u5bf9\u6b64\u4f1a\u989d\u5916\u6d88\u801715%-40%\u7684\u6027\u80fd\uff0c\u4f46\u662f\u4e00\u65e6\u7f3a\u5c11\u4e86\u4e00\u4e2a\u6839\u4f1a\u5bfc\u81f4\u9057\u6f0f\u4e00\u4e9b\u6d3b\u52a8\u5bf9\u8c61\u3002<\/p>\n\n\n\n

          \u5f31\u6839<\/h3>\n\n\n\n
            \n
          1. \u8f6f\u5f15\u7528\uff1a\u5bf9\u8c61\u53ea\u6709\u6ee1\u8db3\u4e00\u4e9b\u6761\u4ef6\u624d\u4f1a\u8fdb\u884c\u56de\u6536\u3002<\/li>\n\n\n\n
          2. \u5f31\u5f15\u7528\uff1a\u5728\u5783\u573e\u56de\u6536\u65f6\u53d1\u73b0\u5185\u5b58\u4e0d\u8db3\u65f6\u56de\u6536\u3002<\/li>\n\n\n\n
          3. \u865a\u5f15\u7528\uff1a\u9700\u8981\u4e00\u4e2a\u5f15\u7528\u961f\u5217\uff0c\u5bf9\u8c61\u88ab\u6267\u884c\u540e\u53ef\u4ee5\u88abGC\u56de\u6536\u3002<\/li>\n\n\n\n
          4. Finalize\uff1a\u5982\u679cJava\u7c7b\u91cd\u8f7d\u4e86Finalize()\u51fd\u6570\uff0c\u5219\u9700\u8981\u901a\u8fc7Finalize\u7ebf\u7a0b\u5904\u7406\u3002<\/li>\n<\/ol>\n\n\n\n

            \u8f6f\u5f15\u7528\/\u5f31\u5f15\u7528\uff1aGC\u65f6\u9700\u8981\u989d\u5916\u6807\u8bb0\uff0c\u5728\u5f3a\u6839\u904d\u5386\u7ed3\u675f\u540e\u518d\u6839\u636e\u7b56\u7565\u5904\u7406\u3002
            \u865a\u5f15\u7528\/Finalize\u5f15\u7528\uff1aGC\u65f6\u4e5f\u9700\u8981\u989d\u5916\u8bb0\u5f55\uff0c\u5f53GC\u7ed3\u675f\u540e\uff0c\u5f15\u7528\u5bf9\u8c61\u53ef\u4ee5\u5728\u4e0b\u4e00\u6b21GC\u6267\u884c\u8fc7\u7a0b\u4e2d\u56de\u6536\u3002<\/p>\n\n\n\n

            JVM\u4e2d\u6839\u7684\u6784\u6210<\/h3>\n\n\n\n
              \n
            1. \u7c7b\u5143\u6570\u636e\u5bf9\u8c61<\/li>\n\n\n\n
            2. Java\u5bf9\u8c61<\/li>\n\n\n\n
            3. Universe\uff0cJava\u7a0b\u5e8f\u8fd0\u884c\u65f6\u9700\u8981\u7684\u4e00\u4e9b\u5168\u5c40\u5bf9\u8c61<\/li>\n\n\n\n
            4. Monitor\uff0c\u5168\u5c40\u76d1\u89c6\u5668\u5bf9\u8c61<\/li>\n\n\n\n
            5. JNI\uff0cJVM\u6267\u884c\u672c\u5730\u4ee3\u7801\u65f6\u4f7f\u7528API\u4ea7\u751f\u7684\u5bf9\u8c61<\/li>\n\n\n\n
            6. JVMTI\uff0c\u4f7f\u7528JVM\u63d0\u4f9b\u7684\u63a5\u53e3\u7528\u4e8e\u8c03\u8bd5\u3001\u5206\u6790Java\u7a0b\u5e8f<\/li>\n\n\n\n
            7. System Dictionary\uff0cJVM\u5728\u8bbe\u8ba1\u7c7b\u52a0\u8f7d\u65f6\uff0c\u5bf9\u4e8e\u57fa\u672c\u7684\u7c7b\u4f1a\u5355\u72ec\u52a0\u8f7d\uff0c\u5355\u72ec\u6807\u8bb0<\/li>\n\n\n\n
            8. Management \u662fJVM\u63d0\u4f9b\u7684\u5185\u5b58\u7ba1\u7406API<\/li>\n\n\n\n
            9. AOT\uff0c\u5728JDK9\u4e4b\u540e\u5f15\u5165\u4e86\u63d0\u524d\u7f16\u8bd1<\/li>\n\n\n\n
            10. \u8bed\u8a00\u7279\u6027\u7684\u5f31\u5f15\u7528<\/li>\n\n\n\n
            11. JVM\u5f31\u6839\uff0c\u4f8b\u5982\u7ba1\u7406String\u4e2dintern\u4ea7\u751f\u7684\u5bf9\u8c61<\/li>\n<\/ol>\n\n\n\n

              \u5b89\u5168\u70b9<\/h2>\n\n\n\n

              GC\u8fd0\u884c\u65f6\uff0c\u4e3a\u4e86\u904d\u5386\u5bf9\u8c61\u7684\u5f15\u7528\u5173\u7cfb\uff0c\u9700\u8981\u6682\u505c\u7a0b\u5e8f\u8fd0\u884c\uff0c\u9632\u6b62\u7a0b\u5e8f\u4fee\u6539\u5bf9\u8c61\u7684\u5f15\u7528\u5173\u7cfb\u5bfc\u81f4\u6807\u8bb0\u9519\u8bef\u3002\u6682\u505c\u7a0b\u5e8f\u5c31\u662fSTW\uff08Stop The World\uff09\u3002
              STW\u6d89\u53ca\u7684\u7b2c\u4e00\u4e2a\u6982\u5ff5\u5c31\u662f\u5b89\u5168\u70b9\uff08safepoint\uff09\uff0c\u8ba9VMThread\u80fd\u591f\u539f\u5b50\u5730\u8fd0\u884c\uff0c\u4e0d\u53d7Mutator\u5e72\u6270\uff1b\u5b9e\u73b0\u7b80\u5355\u3002<\/p>\n\n\n\n

              \u89e3\u91ca\u7ebf\u7a0b\u8fdb\u5165\u5b89\u5168\u70b9<\/h3>\n\n\n\n

              \u89e3\u91ca\u5668\u6267\u884c\u5b8c\u5f53\u524d\u5b57\u8282\u7801\u7136\u540e\u6682\u505c\u3002
              \u89e3\u91ca\u8fdb\u7a0b\u8fdb\u5165\u5b89\u5168\u70b9\u65f6\u95f4\u53ef\u63a7\uff0c\u6700\u5927\u7b49\u5f85\u65f6\u95f4\u662f\u4e00\u6761\u5b57\u8282\u7801\u7684\u65f6\u95f4\u3002<\/p>\n\n\n\n

              \u7f16\u8bd1\u7ebf\u7a0b\u8fdb\u5165\u5b89\u5168\u70b9<\/h3>\n\n\n\n

              \u9700\u8981\u6dfb\u52a0\u989d\u5916\u4ee3\u7801\u8ba9\u7f16\u8bd1\u4ee3\u7801\u6267\u884c\u65f6\u53ef\u4ee5\u4e3b\u52a8\u6682\u505c\u3002\u6307\u4ee4\u591a\u5c11\u7684\u6743\u8861\uff0c\u6307\u4ee4\u7c7b\u578b\u7684\u6743\u8861\u3002<\/p>\n\n\n\n

              \u672c\u5730\u7ebf\u7a0b\u8fdb\u5165\u5b89\u5168\u70b9<\/h3>\n\n\n\n

              \u5728\u672c\u5730\u7ebf\u7a0b\u8fdb\u5165Java\u65f6\u6682\u505c\u3002<\/p>\n\n\n\n

              JVM\u5185\u90e8\u5e76\u53d1\u7ebf\u7a0b\u8fdb\u5165\u5b89\u5168\u70b9<\/h3>\n\n\n\n

              \u4e00\u79cd\u4e0d\u8bbf\u95ee\u5806\uff0c\u5c31\u4e0d\u5f71\u54cdGC\uff1b\u5982\u679c\u8bbf\u95ee\u5806\uff0c\u4f1a\u4e3b\u52a8\u6302\u8d77\uff0c\u7b49\u5f85GC\u7ed3\u675f\u5524\u9192\u3002<\/p>\n\n\n\n

              <\/p>\n","protected":false},"excerpt":{"rendered":"

              Java\u4ee3\u7801\u7684\u6267\u884c\u8fc7\u7a0b \u9996\u5148\u5728\u6267\u884c\u524d\u628aJava\u4ee3\u7801\u7f16...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24,38],"tags":[],"class_list":["post-1489","post","type-post","status-publish","format-standard","hentry","category-techstack","category-inside-jvm-gc"],"_links":{"self":[{"href":"http:\/\/www.jusesgod.com\/index.php?rest_route=\/wp\/v2\/posts\/1489","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.jusesgod.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.jusesgod.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.jusesgod.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.jusesgod.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1489"}],"version-history":[{"count":8,"href":"http:\/\/www.jusesgod.com\/index.php?rest_route=\/wp\/v2\/posts\/1489\/revisions"}],"predecessor-version":[{"id":1500,"href":"http:\/\/www.jusesgod.com\/index.php?rest_route=\/wp\/v2\/posts\/1489\/revisions\/1500"}],"wp:attachment":[{"href":"http:\/\/www.jusesgod.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1489"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.jusesgod.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1489"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.jusesgod.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1489"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}