{"id":6401,"date":"2024-07-26T14:31:48","date_gmt":"2024-07-26T06:31:48","guid":{"rendered":"https:\/\/t.n-years.com\/?p=6401"},"modified":"2024-07-26T14:31:48","modified_gmt":"2024-07-26T06:31:48","slug":"jvm-%e6%9c%ba%e5%88%b6","status":"publish","type":"post","link":"https:\/\/t.n-years.com\/?p=6401","title":{"rendered":"JVM \u673a\u5236"},"content":{"rendered":"<blockquote>\n<p>\u975e\u539f\u521b\uff0cChatGPT \u95ee\u7b54\u751f\u6210\u3002\u9762\u8bd5\u5b98\u6280\u80fd\u8865\u5145\u3002<\/p>\n<\/blockquote>\n<p>\u5f53\u7136\u53ef\u4ee5\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u66f4\u7cfb\u7edf\u5316\u7684 JVM \u77e5\u8bc6\u70b9\u4ecb\u7ecd\uff0c\u5206\u4e3a\u5404\u4e2a\u4e3b\u8981\u90e8\u5206\uff0c\u5e76\u8be6\u7ec6\u8bf4\u660e\u6bcf\u4e2a\u90e8\u5206\u7684\u5185\u5bb9\u3002<\/p>\n<h3>\u4e00\u3001JVM \u57fa\u7840\u77e5\u8bc6<\/h3>\n<h4>1. JVM \u67b6\u6784<\/h4>\n<ul>\n<li><strong>\u7c7b\u52a0\u8f7d\u5668\u7cfb\u7edf\uff08Class Loader Subsystem\uff09<\/strong>\uff1a\u8d1f\u8d23\u52a0\u8f7d\u7c7b\u6587\u4ef6\u3002<\/li>\n<li><strong>\u8fd0\u884c\u65f6\u6570\u636e\u533a\uff08Runtime Data Area\uff09<\/strong>\uff1a\u5305\u62ec\u65b9\u6cd5\u533a\u3001\u5806\u3001\u6808\u3001\u672c\u5730\u65b9\u6cd5\u6808\u548c\u7a0b\u5e8f\u8ba1\u6570\u5668\u3002<\/li>\n<li><strong>\u6267\u884c\u5f15\u64ce\uff08Execution Engine\uff09<\/strong>\uff1a\u8d1f\u8d23\u6267\u884c\u5b57\u8282\u7801\uff0c\u5305\u62ec\u89e3\u91ca\u5668\u548c\u5373\u65f6\u7f16\u8bd1\u5668\uff08JIT\uff09\u3002<\/li>\n<li><strong>\u672c\u5730\u63a5\u53e3\uff08Native Interface\uff09<\/strong>\uff1aJNI\uff08Java Native Interface\uff09\uff0c\u7528\u4e8e\u8c03\u7528\u672c\u5730\u4ee3\u7801\u3002<\/li>\n<\/ul>\n<h4>2. JVM \u751f\u547d\u5468\u671f<\/h4>\n<ul>\n<li><strong>\u542f\u52a8<\/strong>\uff1a\u901a\u8fc7\u52a0\u8f7d\u4e3b\u7c7b\u5e76\u8c03\u7528\u5176 <code>main<\/code> \u65b9\u6cd5\u542f\u52a8\u3002<\/li>\n<li><strong>\u6267\u884c<\/strong>\uff1a\u6267\u884c\u5b57\u8282\u7801\uff0c\u5305\u62ec\u5185\u5b58\u5206\u914d\u3001\u5783\u573e\u56de\u6536\u7b49\u3002<\/li>\n<li><strong>\u5173\u95ed<\/strong>\uff1a\u8c03\u7528 <code>System.exit()<\/code> \u6216\u4e3b\u7ebf\u7a0b\u7ed3\u675f\u7b49\u65b9\u5f0f\u5173\u95ed JVM\u3002<\/li>\n<\/ul>\n<h3>\u4e8c\u3001\u5185\u5b58\u7ba1\u7406<\/h3>\n<h4>1. JVM \u5185\u5b58\u533a\u57df<\/h4>\n<ul>\n<li><strong>\u5806\u5185\u5b58\uff08Heap Memory\uff09<\/strong>\uff1a\u5b58\u50a8\u5bf9\u8c61\u5b9e\u4f8b\u548c\u6570\u7ec4\uff0c\u5806\u5185\u5b58\u5206\u4e3a\u5e74\u8f7b\u4ee3\uff08Eden\u3001Survivor\uff09\u548c\u8001\u5e74\u4ee3\u3002<\/li>\n<li><strong>\u65b9\u6cd5\u533a\uff08Method Area\uff09<\/strong>\uff1a\u5b58\u50a8\u7c7b\u4fe1\u606f\u3001\u5e38\u91cf\u3001\u9759\u6001\u53d8\u91cf\u7b49\u3002<\/li>\n<li><strong>\u6808\u5185\u5b58\uff08Stack Memory\uff09<\/strong>\uff1a\u6bcf\u4e2a\u7ebf\u7a0b\u5bf9\u5e94\u4e00\u4e2a\u6808\uff0c\u5b58\u50a8\u5c40\u90e8\u53d8\u91cf\u548c\u65b9\u6cd5\u8c03\u7528\u3002<\/li>\n<li><strong>\u672c\u5730\u65b9\u6cd5\u6808\uff08Native Method Stack\uff09<\/strong>\uff1a\u4e3a\u672c\u5730\u65b9\u6cd5\u670d\u52a1\u3002<\/li>\n<li><strong>\u7a0b\u5e8f\u8ba1\u6570\u5668\uff08Program Counter Register\uff09<\/strong>\uff1a\u5f53\u524d\u7ebf\u7a0b\u6240\u6267\u884c\u7684\u5b57\u8282\u7801\u6307\u4ee4\u7684\u5730\u5740\u3002<\/li>\n<\/ul>\n<h4>2. \u5783\u573e\u56de\u6536\uff08Garbage Collection, GC\uff09<\/h4>\n<ul>\n<li>\n<p><strong>GC \u7b97\u6cd5<\/strong>\uff1a<\/p>\n<ul>\n<li><strong>\u6807\u8bb0-\u6e05\u9664\u7b97\u6cd5<\/strong>\uff1a\u6807\u8bb0\u6d3b\u8dc3\u5bf9\u8c61\uff0c\u6e05\u9664\u672a\u6807\u8bb0\u5bf9\u8c61\u3002<\/li>\n<li><strong>\u590d\u5236\u7b97\u6cd5<\/strong>\uff1a\u5c06\u6d3b\u8dc3\u5bf9\u8c61\u590d\u5236\u5230\u65b0\u7a7a\u95f4\uff0c\u6e05\u7a7a\u65e7\u7a7a\u95f4\u3002<\/li>\n<li><strong>\u6807\u8bb0-\u538b\u7f29\u7b97\u6cd5<\/strong>\uff1a\u6807\u8bb0\u6d3b\u8dc3\u5bf9\u8c61\uff0c\u79fb\u52a8\u5e76\u538b\u7f29\u5b83\u4eec\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>GC \u5783\u573e\u6536\u96c6\u5668<\/strong>\uff1a<\/p>\n<ul>\n<li><strong>Serial<\/strong>\uff1a\u5355\u7ebf\u7a0b\u6536\u96c6\u5668\uff0c\u9002\u7528\u4e8e\u5355\u5904\u7406\u5668\u73af\u5883\u3002<\/li>\n<li><strong>Parallel<\/strong>\uff1a\u591a\u7ebf\u7a0b\u6536\u96c6\u5668\uff0c\u9002\u7528\u4e8e\u591a\u5904\u7406\u5668\u73af\u5883\u3002<\/li>\n<li><strong>CMS\uff08Concurrent Mark-Sweep\uff09<\/strong>\uff1a\u5e76\u53d1\u6807\u8bb0-\u6e05\u9664\u6536\u96c6\u5668\uff0c\u51cf\u5c11\u505c\u987f\u65f6\u95f4\u3002<\/li>\n<li><strong>G1\uff08Garbage First\uff09<\/strong>\uff1a\u9762\u5411\u5927\u5185\u5b58\u4f4e\u5ef6\u8fdf\u5e94\u7528\u7684\u6536\u96c6\u5668\u3002<\/li>\n<li><strong>ZGC<\/strong>\uff1a\u4f4e\u5ef6\u8fdf\u5783\u573e\u6536\u96c6\u5668\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>GC \u8c03\u4f18<\/strong>\uff1a<\/p>\n<ul>\n<li><strong>\u8c03\u6574\u5806\u5927\u5c0f<\/strong>\uff1a<code>-Xms<\/code>\u3001<code>-Xmx<\/code><\/li>\n<li><strong>\u4f18\u5316\u5783\u573e\u6536\u96c6\u7b56\u7565<\/strong>\uff1a<code>-XX:+UseG1GC<\/code>\u3001<code>-XX:+UseParallelGC<\/code><\/li>\n<li><strong>\u76d1\u63a7\u548c\u5206\u6790 GC \u65e5\u5fd7<\/strong>\uff1a<code>-XX:+PrintGCDetails<\/code>\u3001<code>-Xloggc<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>\u4e09\u3001\u7c7b\u52a0\u8f7d\u673a\u5236<\/h3>\n<h4>1. \u7c7b\u52a0\u8f7d\u8fc7\u7a0b<\/h4>\n<ul>\n<li><strong>\u52a0\u8f7d\uff08Loading\uff09<\/strong>\uff1a\u901a\u8fc7\u7c7b\u52a0\u8f7d\u5668\u52a0\u8f7d\u7c7b\u6587\u4ef6\u3002<\/li>\n<li><strong>\u9a8c\u8bc1\uff08Verification\uff09<\/strong>\uff1a\u786e\u4fdd\u7c7b\u6587\u4ef6\u7684\u5b57\u8282\u7801\u662f\u6b63\u786e\u7684\u3002<\/li>\n<li><strong>\u51c6\u5907\uff08Preparation\uff09<\/strong>\uff1a\u4e3a\u7c7b\u7684\u9759\u6001\u53d8\u91cf\u5206\u914d\u5185\u5b58\u5e76\u521d\u59cb\u5316\u9ed8\u8ba4\u503c\u3002<\/li>\n<li><strong>\u89e3\u6790\uff08Resolution\uff09<\/strong>\uff1a\u5c06\u7b26\u53f7\u5f15\u7528\u8f6c\u6362\u4e3a\u76f4\u63a5\u5f15\u7528\u3002<\/li>\n<li><strong>\u521d\u59cb\u5316\uff08Initialization\uff09<\/strong>\uff1a\u521d\u59cb\u5316\u7c7b\u7684\u9759\u6001\u53d8\u91cf\u548c\u9759\u6001\u4ee3\u7801\u5757\u3002<\/li>\n<\/ul>\n<h4>2. \u7c7b\u52a0\u8f7d\u5668<\/h4>\n<ul>\n<li><strong>Bootstrap ClassLoader<\/strong>\uff1a\u52a0\u8f7d\u6838\u5fc3\u7c7b\u5e93\u3002<\/li>\n<li><strong>Extension ClassLoader<\/strong>\uff1a\u52a0\u8f7d\u6269\u5c55\u7c7b\u5e93\u3002<\/li>\n<li><strong>Application ClassLoader<\/strong>\uff1a\u52a0\u8f7d\u5e94\u7528\u7a0b\u5e8f\u7c7b\u5e93\u3002<\/li>\n<li><strong>\u81ea\u5b9a\u4e49\u7c7b\u52a0\u8f7d\u5668<\/strong>\uff1a\u7528\u6237\u5b9a\u4e49\u7684\u7c7b\u52a0\u8f7d\u5668\uff0c\u53ef\u4ee5\u6253\u7834\u53cc\u4eb2\u59d4\u6d3e\u6a21\u578b\u3002<\/li>\n<\/ul>\n<h4>3. \u53cc\u4eb2\u59d4\u6d3e\u6a21\u578b<\/h4>\n<ul>\n<li>\u7c7b\u52a0\u8f7d\u8bf7\u6c42\u4ece\u5b50\u52a0\u8f7d\u5668\u4f20\u9012\u5230\u7236\u52a0\u8f7d\u5668\uff0c\u907f\u514d\u91cd\u590d\u52a0\u8f7d\u548c\u4fdd\u8bc1\u5b89\u5168\u6027\u3002<\/li>\n<li>\u7279\u6b8a\u573a\u666f\u4e0b\uff0c\u53ef\u4ee5\u901a\u8fc7\u81ea\u5b9a\u4e49\u7c7b\u52a0\u8f7d\u5668\u6253\u7834\u53cc\u4eb2\u59d4\u6d3e\u6a21\u578b\uff0c\u5982\u70ed\u90e8\u7f72\u548c\u63d2\u4ef6\u7cfb\u7edf\u3002<\/li>\n<\/ul>\n<h3>\u56db\u3001\u5b57\u8282\u7801\u4e0e\u6267\u884c\u5f15\u64ce<\/h3>\n<h4>1. \u5b57\u8282\u7801<\/h4>\n<ul>\n<li><strong>\u5b57\u8282\u7801\u7ed3\u6784<\/strong>\uff1a\u6bcf\u4e2a <code>.class<\/code> \u6587\u4ef6\u7531\u591a\u4e2a\u90e8\u5206\u7ec4\u6210\uff0c\u5982\u9b54\u6570\u3001\u7248\u672c\u53f7\u3001\u5e38\u91cf\u6c60\u3001\u7c7b\u4fe1\u606f\u3001\u5b57\u6bb5\u4fe1\u606f\u3001\u65b9\u6cd5\u4fe1\u606f\u7b49\u3002<\/li>\n<li><strong>\u5b57\u8282\u7801\u6307\u4ee4<\/strong>\uff1a\u5982\u52a0\u8f7d\u3001\u5b58\u50a8\u3001\u8fd0\u7b97\u3001\u63a7\u5236\u7b49\u6307\u4ee4\u3002<\/li>\n<li><strong>\u5de5\u5177<\/strong>\uff1a<code>javap<\/code> \u547d\u4ee4\u53ef\u4ee5\u53cd\u7f16\u8bd1\u5b57\u8282\u7801\u6587\u4ef6\uff0c\u67e5\u770b\u8be6\u7ec6\u7684\u5b57\u8282\u7801\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<h4>2. \u5373\u65f6\u7f16\u8bd1\u5668\uff08JIT Compiler\uff09<\/h4>\n<ul>\n<li><strong>\u89e3\u91ca\u6267\u884c<\/strong>\uff1a\u5c06\u5b57\u8282\u7801\u9010\u884c\u89e3\u91ca\u4e3a\u673a\u5668\u7801\u6267\u884c\u3002<\/li>\n<li><strong>JIT \u7f16\u8bd1<\/strong>\uff1a\u5c06\u70ed\u70b9\u4ee3\u7801\u7f16\u8bd1\u4e3a\u673a\u5668\u7801\uff0c\u63d0\u9ad8\u6267\u884c\u6548\u7387\u3002<\/li>\n<li><strong>JIT \u4f18\u5316<\/strong>\uff1a\u5982\u5185\u8054\u3001\u9003\u9038\u5206\u6790\u3001\u6808\u4e0a\u5206\u914d\u7b49\u3002<\/li>\n<\/ul>\n<h4>3. \u6267\u884c\u5f15\u64ce<\/h4>\n<ul>\n<li><strong>\u89e3\u91ca\u6267\u884c<\/strong>\uff1a\u5b57\u8282\u7801\u89e3\u91ca\u5668\u5c06\u5b57\u8282\u7801\u6307\u4ee4\u9010\u6761\u7ffb\u8bd1\u6210\u673a\u5668\u7801\u6267\u884c\u3002<\/li>\n<li><strong>\u7f16\u8bd1\u6267\u884c<\/strong>\uff1aJIT \u7f16\u8bd1\u5668\u5c06\u70ed\u70b9\u4ee3\u7801\u7f16\u8bd1\u6210\u672c\u5730\u673a\u5668\u7801\uff0c\u63d0\u9ad8\u6267\u884c\u6548\u7387\u3002<\/li>\n<li><strong>\u5783\u573e\u56de\u6536<\/strong>\uff1a\u7ba1\u7406\u5185\u5b58\u5206\u914d\u548c\u56de\u6536\uff0c\u4fdd\u8bc1\u5185\u5b58\u7684\u9ad8\u6548\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<h3>\u4e94\u3001\u7ebf\u7a0b\u4e0e\u5e76\u53d1<\/h3>\n<h4>1. Java \u5185\u5b58\u6a21\u578b\uff08JMM\uff09<\/h4>\n<ul>\n<li><strong>\u4e3b\u5185\u5b58\u548c\u5de5\u4f5c\u5185\u5b58<\/strong>\uff1a\u4e3b\u5185\u5b58\u5b58\u50a8\u6240\u6709\u53d8\u91cf\u7684\u5171\u4eab\u5185\u5b58\uff0c\u6bcf\u4e2a\u7ebf\u7a0b\u6709\u81ea\u5df1\u7684\u5de5\u4f5c\u5185\u5b58\u3002<\/li>\n<li><strong>\u5185\u5b58\u53ef\u89c1\u6027<\/strong>\uff1a\u901a\u8fc7 synchronized \u548c volatile \u4fdd\u8bc1\u5185\u5b58\u53ef\u89c1\u6027\u3002<\/li>\n<li><strong>\u91cd\u6392\u5e8f<\/strong>\uff1a\u6307\u4ee4\u91cd\u6392\u5e8f\u4f18\u5316\uff0cvolatile \u7981\u6b62\u91cd\u6392\u5e8f\u3002<\/li>\n<\/ul>\n<h4>2. \u7ebf\u7a0b\u7ba1\u7406<\/h4>\n<ul>\n<li><strong>\u7ebf\u7a0b\u7684\u521b\u5efa\u548c\u542f\u52a8<\/strong>\uff1a\u7ee7\u627f Thread \u7c7b\u6216\u5b9e\u73b0 Runnable \u63a5\u53e3\u3002<\/li>\n<li><strong>\u7ebf\u7a0b\u540c\u6b65<\/strong>\uff1a\u4f7f\u7528 synchronized \u5173\u952e\u5b57\u6216\u663e\u5f0f\u9501\uff08\u5982 ReentrantLock\uff09\u8fdb\u884c\u540c\u6b65\u3002<\/li>\n<li><strong>\u7ebf\u7a0b\u7ec8\u6b62<\/strong>\uff1a\u4f7f\u7528 interrupt \u65b9\u6cd5\u7ec8\u6b62\u7ebf\u7a0b\u3002<\/li>\n<\/ul>\n<h4>3. \u7ebf\u7a0b\u5b89\u5168<\/h4>\n<ul>\n<li><strong>\u539f\u5b50\u6027<\/strong>\uff1a\u4fdd\u8bc1\u64cd\u4f5c\u7684\u4e0d\u53ef\u5206\u5272\u6027\u3002<\/li>\n<li><strong>\u53ef\u89c1\u6027<\/strong>\uff1a\u4fdd\u8bc1\u7ebf\u7a0b\u95f4\u53d8\u91cf\u7684\u53ef\u89c1\u6027\u3002<\/li>\n<li><strong>\u6709\u5e8f\u6027<\/strong>\uff1a\u4fdd\u8bc1\u6307\u4ee4\u6267\u884c\u7684\u987a\u5e8f\u3002<\/li>\n<\/ul>\n<h4>4. \u9ad8\u5e76\u53d1\u5de5\u5177\u7c7b<\/h4>\n<ul>\n<li><strong>Executor \u6846\u67b6<\/strong>\uff1a\u7ba1\u7406\u7ebf\u7a0b\u6c60\uff0c\u6267\u884c\u5e76\u53d1\u4efb\u52a1\u3002<\/li>\n<li><strong>\u540c\u6b65\u5de5\u5177<\/strong>\uff1a\u5982 CountDownLatch\u3001CyclicBarrier\u3001Semaphore \u7b49\u3002<\/li>\n<li><strong>\u5e76\u53d1\u96c6\u5408<\/strong>\uff1a\u5982 ConcurrentHashMap\u3001CopyOnWriteArrayList \u7b49\u3002<\/li>\n<\/ul>\n<h3>\u516d\u3001\u6027\u80fd\u76d1\u63a7\u4e0e\u8c03\u4f18<\/h3>\n<h4>1. JVM \u8c03\u8bd5\u548c\u8bca\u65ad\u5de5\u5177<\/h4>\n<ul>\n<li><strong>JConsole<\/strong>\uff1a\u56fe\u5f62\u5316\u76d1\u63a7\u5de5\u5177\uff0c\u76d1\u63a7 JVM \u5185\u5b58\u3001\u7ebf\u7a0b\u3001\u7c7b\u52a0\u8f7d\u7b49\u3002<\/li>\n<li><strong>VisualVM<\/strong>\uff1a\u7efc\u5408\u6027\u76d1\u63a7\u5de5\u5177\uff0c\u652f\u6301\u5185\u5b58\u5206\u6790\u3001\u7ebf\u7a0b\u5206\u6790\u3001CPU \u5206\u6790\u7b49\u3002<\/li>\n<li><strong>Java Mission Control\uff08JMC\uff09<\/strong>\uff1a\u76d1\u63a7\u548c\u7ba1\u7406 JVM \u6027\u80fd\u7684\u5de5\u5177\u3002<\/li>\n<li><strong>Java Flight Recorder\uff08JFR\uff09<\/strong>\uff1a\u4f4e\u5f00\u9500\u7684\u76d1\u63a7\u548c\u5206\u6790\u5de5\u5177\u3002<\/li>\n<li><strong>Jstack<\/strong>\uff1a\u751f\u6210\u7ebf\u7a0b\u5feb\u7167\uff0c\u5206\u6790\u7ebf\u7a0b\u72b6\u6001\u3002<\/li>\n<li><strong>Jmap<\/strong>\uff1a\u751f\u6210\u5806\u8f6c\u50a8\u6587\u4ef6\uff0c\u5206\u6790\u5185\u5b58\u4f7f\u7528\u3002<\/li>\n<li><strong>Jstat<\/strong>\uff1a\u76d1\u63a7 JVM \u7684\u5404\u79cd\u8fd0\u884c\u65f6\u4fe1\u606f\u3002<\/li>\n<li><strong>Jhat<\/strong>\uff1a\u5206\u6790\u5806\u8f6c\u50a8\u6587\u4ef6\u3002<\/li>\n<\/ul>\n<h4>2. \u6027\u80fd\u76d1\u63a7<\/h4>\n<ul>\n<li><strong>\u5185\u5b58\u4f7f\u7528\u76d1\u63a7<\/strong>\uff1a\u76d1\u63a7\u5806\u5185\u5b58\u548c\u975e\u5806\u5185\u5b58\u7684\u4f7f\u7528\u60c5\u51b5\u3002<\/li>\n<li><strong>CPU \u4f7f\u7528\u76d1\u63a7<\/strong>\uff1a\u76d1\u63a7\u7ebf\u7a0b\u7684 CPU \u4f7f\u7528\u7387\u3002<\/li>\n<li><strong>GC \u884c\u4e3a\u76d1\u63a7<\/strong>\uff1a\u76d1\u63a7 GC \u9891\u7387\u548c\u505c\u987f\u65f6\u95f4\u3002<\/li>\n<li><strong>\u7ebf\u7a0b\u72b6\u6001\u76d1\u63a7<\/strong>\uff1a\u76d1\u63a7\u7ebf\u7a0b\u7684\u521b\u5efa\u3001\u8fd0\u884c\u3001\u963b\u585e\u7b49\u72b6\u6001\u3002<\/li>\n<\/ul>\n<h4>3. \u6027\u80fd\u8c03\u4f18<\/h4>\n<ul>\n<li><strong>\u5185\u5b58\u8c03\u4f18<\/strong>\uff1a\u8c03\u6574\u5806\u5927\u5c0f\u3001\u5143\u7a7a\u95f4\u5927\u5c0f\u3001\u76f4\u63a5\u5185\u5b58\u5927\u5c0f\u7b49\u3002<\/li>\n<li><strong>GC \u8c03\u4f18<\/strong>\uff1a\u9009\u62e9\u5408\u9002\u7684\u5783\u573e\u6536\u96c6\u5668\uff0c\u8c03\u6574 GC \u53c2\u6570\u3002<\/li>\n<li><strong>\u7ebf\u7a0b\u8c03\u4f18<\/strong>\uff1a\u4f18\u5316\u7ebf\u7a0b\u6c60\u914d\u7f6e\uff0c\u51cf\u5c11\u7ebf\u7a0b\u5207\u6362\u548c\u9501\u7ade\u4e89\u3002<\/li>\n<li><strong>\u4ee3\u7801\u8c03\u4f18<\/strong>\uff1a\u4f18\u5316\u7b97\u6cd5\u548c\u6570\u636e\u7ed3\u6784\uff0c\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u5bf9\u8c61\u521b\u5efa\u548c\u5783\u573e\u56de\u6536\u3002<\/li>\n<\/ul>\n<h3>\u4e03\u3001\u5b89\u5168\u6027<\/h3>\n<h4>1. \u7c7b\u52a0\u8f7d\u5668\u5b89\u5168<\/h4>\n<ul>\n<li><strong>\u7c7b\u52a0\u8f7d\u9694\u79bb<\/strong>\uff1a\u901a\u8fc7\u53cc\u4eb2\u59d4\u6d3e\u6a21\u578b\u5b9e\u73b0\u7c7b\u52a0\u8f7d\u9694\u79bb\u3002<\/li>\n<li><strong>\u9632\u6b62\u7c7b\u52a0\u8f7d\u653b\u51fb<\/strong>\uff1a\u9a8c\u8bc1\u7c7b\u52a0\u8f7d\u8def\u5f84\uff0c\u9632\u6b62\u52a0\u8f7d\u6076\u610f\u7c7b\u3002<\/li>\n<\/ul>\n<h4>2. \u5b57\u8282\u7801\u5b89\u5168<\/h4>\n<ul>\n<li><strong>\u5b57\u8282\u7801\u9a8c\u8bc1<\/strong>\uff1a\u786e\u4fdd\u5b57\u8282\u7801\u7684\u6b63\u786e\u6027\u548c\u5b89\u5168\u6027\u3002<\/li>\n<li><strong>\u5b89\u5168\u7ba1\u7406\u5668<\/strong>\uff1a\u901a\u8fc7 SecurityManager \u63a7\u5236\u5b57\u8282\u7801\u7684\u6743\u9650\u3002<\/li>\n<\/ul>\n<h4>3. \u5185\u5b58\u5b89\u5168<\/h4>\n<ul>\n<li><strong>\u907f\u514d\u5185\u5b58\u6cc4\u6f0f<\/strong>\uff1a\u901a\u8fc7\u5206\u6790\u5de5\u5177\u548c\u4ee3\u7801\u5ba1\u67e5\uff0c\u907f\u514d\u6301\u6709\u4e0d\u5fc5\u8981\u7684\u5bf9\u8c61\u5f15\u7528\u3002<\/li>\n<li><strong>\u9632\u6b62\u5185\u5b58\u6ea2\u51fa<\/strong>\uff1a\u5408\u7406\u8bbe\u7f6e\u5185\u5b58\u53c2\u6570\uff0c\u76d1\u63a7\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u3002<\/li>\n<\/ul>\n<h3>\u603b\u7ed3<\/h3>\n<p>\u7cfb\u7edf\u638c\u63e1 JVM \u7684\u4e0a\u8ff0\u77e5\u8bc6\u70b9\u5c06\u6709\u52a9\u4e8e\u540e\u7aef\u5f00\u53d1\u4eba\u5458\u7406\u89e3\u548c\u4f18\u5316 Java \u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u3002\u5728\u65e5\u5e38\u5f00\u53d1\u4e2d\uff0c\u80fd\u591f\u719f\u7ec3\u8fd0\u7528\u8fd9\u4e9b\u77e5\u8bc6\u8fdb\u884c\u95ee\u9898\u6392\u67e5\u3001\u6027\u80fd\u8c03\u4f18\u548c\u5b89\u5168\u4fdd\u969c\uff0c\u5c06\u6781\u5927\u63d0\u5347\u4f60\u7684\u5f00\u53d1\u6548\u7387\u548c\u5e94\u7528\u8d28\u91cf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u975e\u539f\u521b\uff0cChatGPT \u95ee\u7b54\u751f\u6210\u3002\u9762\u8bd5\u5b98\u6280\u80fd\u8865\u5145\u3002 \u5f53\u7136\u53ef\u4ee5\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u66f4\u7cfb\u7edf\u5316\u7684 JVM \u77e5\u8bc6\u70b9\u4ecb\u7ecd\uff0c\u5206\u4e3a\u5404&#8230; <\/p>\n<div class=\"read-more navbutton\"><a href=\"https:\/\/t.n-years.com\/?p=6401\">\u9605\u8bfb\u66f4\u591a<i class=\"fa fa-angle-double-right\"><\/i><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[123],"tags":[134],"class_list":["post-6401","post","type-post","status-publish","format-standard","hentry","category-123","tag-jvm"],"_links":{"self":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts\/6401","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6401"}],"version-history":[{"count":1,"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts\/6401\/revisions"}],"predecessor-version":[{"id":6402,"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts\/6401\/revisions\/6402"}],"wp:attachment":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6401"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6401"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}