{"id":315089,"date":"2024-05-20T23:51:24","date_gmt":"2024-05-20T15:51:24","guid":{"rendered":""},"modified":"2024-05-20T23:51:38","modified_gmt":"2024-05-20T15:51:38","slug":"java-jvm-%e5%86%85%e5%ad%98%e5%8c%ba%e5%9f%9f%e7%9a%84%e7%9f%a5%e8%af%86%e7%82%b9%e6%9c%89%e5%93%aa%e4%ba%9b","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/315089.html","title":{"rendered":"java JVM \u5185\u5b58\u533a\u57df\u7684\u77e5\u8bc6\u70b9\u6709\u54ea\u4e9b"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/27034805\/54563138-e619-4ca0-aa08-5dc12cf4eb5d.webp\" alt=\"java JVM \u5185\u5b58\u533a\u57df\u7684\u77e5\u8bc6\u70b9\u6709\u54ea\u4e9b\" \/><\/p>\n<p><p>Java \u865a\u62df\u673a\uff08JVM\uff09\u5185\u5b58\u533a\u57df\u662fJava\u8fd0\u884c\u65f6\u6570\u636e\u533a\u7684\u6838\u5fc3\u7ec4\u6210\u90e8\u5206\u3002\u5b83\u4e3b\u8981\u5305\u62ec\u5806\uff08Heap\uff09\u3001\u65b9\u6cd5\u533a\uff08Method Area\uff09\u3001\u7a0b\u5e8f\u8ba1\u6570\u5668\uff08Program Counter Register\uff09\u3001\u865a\u62df\u673a\u6808\uff08VM Stack\uff09\u548c\u672c\u5730\u65b9\u6cd5\u6808\uff08Native Method Stack\uff09\u3002\u7279\u522b\u5730\uff0c\u5806\u533a\u662fJVM\u5185\u5b58\u4e2d\u6700\u5927\u7684\u4e00\u5757\uff0c\u4e5f\u662fJava\u5783\u573e\u56de\u6536\u673a\u5236\u4e3b\u8981\u5173\u6ce8\u7684\u533a\u57df\u3002\u5b83\u88ab\u6240\u6709\u7ebf\u7a0b\u5171\u4eab\uff0c\u4e3b\u8981\u7528\u4e8e\u5b58\u653e\u5bf9\u8c61\u5b9e\u4f8b\u548c\u6570\u7ec4\u3002\u968f\u7740\u65b0\u5bf9\u8c61\u7684\u4e0d\u65ad\u521b\u5efa\uff0c\u5806\u7684\u4f7f\u7528\u4f1a\u9010\u6e10\u589e\u52a0\uff0c\u5f53\u5806\u4e2d\u6ca1\u6709\u8db3\u591f\u7a7a\u95f4\u5206\u914d\u7ed9\u65b0\u5bf9\u8c61\u65f6\uff0cJVM\u4f1a\u89e6\u53d1\u5783\u573e\u56de\u6536\u673a\u5236\uff08GC\uff09\u6e05\u7406\u6389\u4e0d\u518d\u88ab\u4efb\u4f55\u5f15\u7528\u6307\u5411\u7684\u5bf9\u8c61\uff0c\u4ee5\u786e\u4fdd\u5e94\u7528\u7a0b\u5e8f\u80fd\u7ee7\u7eed\u8fd0\u884c\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u5806\uff08HEAP\uff09<\/h3>\n<\/p>\n<p><p>\u5806\u662fJava\u865a\u62df\u673a\u7ba1\u7406\u7684\u5185\u5b58\u4e2d\u6700\u5927\u7684\u4e00\u5757\uff0c\u7531\u6240\u6709\u7ebf\u7a0b\u5171\u4eab\u3002\u5b83\u5728\u865a\u62df\u673a\u542f\u52a8\u65f6\u521b\u5efa\uff0c\u4e3b\u8981\u7528\u4e8e\u5b58\u50a8\u5bf9\u8c61\u5b9e\u4f8b\u548c\u6570\u7ec4\u3002\u5806\u5185\u5b58\u6839\u636e\u5bf9\u8c61\u5b58\u6d3b\u5468\u671f\u7684\u4e0d\u540c\u5212\u5206\u4e3a\u65b0\u751f\u4ee3\uff08Young Generation\uff09\u548c\u8001\u5e74\u4ee3\uff08Old Generation\uff09\u3002\u65b0\u5bf9\u8c61\u901a\u5e38\u5728\u65b0\u751f\u4ee3\u4e2d\u521b\u5efa\uff0c\u5f53\u5b83\u4eec\u5b58\u6d3b\u8db3\u591f\u957f\u7684\u65f6\u95f4\u3001\u6216\u65b0\u751f\u4ee3\u7a7a\u95f4\u4e0d\u8db3\u65f6\uff0c\u4f1a\u88ab\u79fb\u52a8\u5230\u8001\u5e74\u4ee3\u3002\u9488\u5bf9\u5806\u7684\u5783\u573e\u6536\u96c6\u4e3b\u8981\u5206\u4e3a\u4e24\u79cd\uff1aMinor GC\u548cFull GC\uff0c\u9488\u5bf9\u65b0\u751f\u4ee3\u7684\u56de\u6536\u79f0\u4e3aMinor GC\uff0c\u800c\u9488\u5bf9\u6574\u4e2a\u5806\u7684\u56de\u6536\uff08\u5305\u62ec\u65b0\u751f\u4ee3\u3001\u8001\u5e74\u4ee3\u4ee5\u53ca\u65b9\u6cd5\u533a\uff09\u79f0\u4e3aFull GC\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u65b9\u6cd5\u533a\uff08METHOD AREA\uff09<\/h3>\n<\/p>\n<p><p>\u65b9\u6cd5\u533a\u4e5f\u79f0\u4e3a\u9759\u6001\u533a\uff0c\u662f\u6240\u6709\u7ebf\u7a0b\u5171\u4eab\u7684\u5185\u5b58\u533a\u57df\u3002\u5b83\u7528\u6765\u5b58\u50a8\u5df2\u88ab\u865a\u62df\u673a\u52a0\u8f7d\u7684\u7c7b\u578b\u4fe1\u606f\u3001\u5e38\u91cf\u3001\u9759\u6001\u53d8\u91cf\uff0c\u4ee5\u53ca\u5373\u65f6\u7f16\u8bd1\u5668\u7f16\u8bd1\u540e\u7684\u4ee3\u7801\u7b49\u6570\u636e\u3002\u4eceJava 8\u5f00\u59cb\uff0c\u4f20\u7edf\u7684\u6c38\u4e45\u4ee3\uff08PermGen space\uff09\u5df2\u88ab\u5143\u7a7a\u95f4\uff08Metaspace\uff09\u6240\u53d6\u4ee3\u3002\u5143\u7a7a\u95f4\u4f7f\u7528\u672c\u5730\u5185\u5b58\uff08\u5373\u64cd\u4f5c\u7cfb\u7edf\u5185\u5b58\uff09\uff0c\u800c\u6c38\u4e45\u4ee3\u4f7f\u7528\u7684\u662fJVM\u7684\u5185\u5b58\u3002\u8fd9\u6837\u6539\u53d8\u7684\u76ee\u7684\u662f\u4e3a\u4e86\u66f4\u597d\u5730\u5229\u7528\u672c\u5730\u5185\u5b58\u7a7a\u95f4\uff0c\u907f\u514d\u6c38\u4e45\u4ee3\u6240\u5b58\u5728\u7684\u5185\u5b58\u6ea2\u51fa\u95ee\u9898\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u7a0b\u5e8f\u8ba1\u6570\u5668\uff08PROGRAM COUNTER REGISTER\uff09<\/h3>\n<\/p>\n<p><p>\u7a0b\u5e8f\u8ba1\u6570\u5668\u662f\u4e00\u5c0f\u5757\u5185\u5b58\u7a7a\u95f4\uff0c\u5b83\u53ef\u4ee5\u770b\u4f5c\u662f\u5f53\u524d\u7ebf\u7a0b\u6240\u6267\u884c\u7684\u5b57\u8282\u7801\u7684\u884c\u53f7\u6307\u793a\u5668\u3002\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u6709\u81ea\u5df1\u7684\u7a0b\u5e8f\u8ba1\u6570\u5668\uff0c\u662f\u7ebf\u7a0b\u79c1\u6709\u7684\u3002\u5982\u679c\u6267\u884c\u7684\u662fJava\u65b9\u6cd5\uff0c\u8ba1\u6570\u5668\u8bb0\u5f55\u7684\u662f\u865a\u62df\u673a\u5b57\u8282\u7801\u6307\u4ee4\u7684\u5730\u5740\uff1b\u82e5\u6b63\u5728\u6267\u884c\u7684\u662fNative\u65b9\u6cd5\uff0c\u5219\u8ba1\u6570\u5668\u503c\u4e3a\u7a7a\uff08Undefined\uff09\u3002\u8fd9\u4e2a\u533a\u57df\u662f\u552f\u4e00\u4e00\u4e2a\u5728Java\u865a\u62df\u673a\u89c4\u8303\u4e2d\u6ca1\u6709\u89c4\u5b9a\u4efb\u4f55OutOfMemoryError\u60c5\u51b5\u7684\u533a\u57df\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u865a\u62df\u673a\u6808\uff08VM STACK\uff09<\/h3>\n<\/p>\n<p><p>\u6bcf\u4e2a\u7ebf\u7a0b\u5728\u521b\u5efa\u65f6\u90fd\u4f1a\u521b\u5efa\u81ea\u5df1\u7684\u865a\u62df\u673a\u6808\uff0c\u8fd9\u90e8\u5206\u5185\u5b58\u4e3b\u8981\u7528\u4e8e\u5b58\u50a8\u5c40\u90e8\u53d8\u91cf\u8868\u3001\u64cd\u4f5c\u6570\u6808\u3001\u52a8\u6001\u94fe\u63a5\u3001\u65b9\u6cd5\u51fa\u53e3\u7b49\u4fe1\u606f\u3002\u6bcf\u4e2a\u65b9\u6cd5\u5728\u6267\u884c\u65f6\u90fd\u4f1a\u521b\u5efa\u4e00\u4e2a\u6808\u5e27\uff08Stack Frame\uff09\u7528\u4e8e\u652f\u6301\u8fd9\u4e9b\u6570\u636e\uff0c\u5f53\u65b9\u6cd5\u6267\u884c\u5b8c\u6bd5\u540e\uff0c\u5176\u6808\u5e27\u4f1a\u88ab\u9500\u6bc1\u3002\u865a\u62df\u673a\u6808\u53ef\u80fd\u56e0\u4e3a\u6808\u5e27\u8fc7\u5927\u6216\u9012\u5f52\u8c03\u7528\u5bfc\u81f4\u5185\u5b58\u4e0d\u8db3\uff0c\u5206\u522b\u629b\u51faStackOverflowError\u548cOutOfMemoryError\u5f02\u5e38\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u672c\u5730\u65b9\u6cd5\u6808\uff08NATIVE METHOD STACK\uff09<\/h3>\n<\/p>\n<p><p>\u672c\u5730\u65b9\u6cd5\u6808\u4e0e\u865a\u62df\u673a\u6808\u975e\u5e38\u76f8\u4f3c\uff0c\u4e0d\u8fc7\u5b83\u670d\u52a1\u4e8eNative\u65b9\u6cd5\u3002\u5728Java\u4e2d\uff0c\u5982\u679c\u4f7f\u7528Native\u5173\u952e\u5b57\u58f0\u660e\u7684\u65b9\u6cd5\uff0c\u610f\u5473\u7740\u8fd9\u4e2a\u65b9\u6cd5\u662f\u7528\u975eJava\u8bed\u8a00\u5b9e\u73b0\u7684\uff0c\u4f8b\u5982C\u8bed\u8a00\u3002\u5f53\u865a\u62df\u673a\u8c03\u7528\u8fd9\u4e9b\u65b9\u6cd5\u65f6\uff0c\u5c06\u4f1a\u4f7f\u7528\u5230\u672c\u5730\u65b9\u6cd5\u6808\u3002\u5c3d\u7ba1Java\u865a\u62df\u673a\u89c4\u8303\u5bf9\u8fd9\u4e2a\u533a\u57df\u7684\u5185\u5b58\u8981\u6c42\u653e\u5bbd\u4e86\u8bb8\u591a\uff0c\u4f46\u662f\u4e5f\u53ef\u80fd\u4f1a\u56e0\u4e3a\u65e0\u6cd5\u7533\u8bf7\u5230\u8db3\u591f\u7684\u5185\u5b58\u800c\u629b\u51faOutOfMemoryError\u5f02\u5e38\u3002<\/p>\n<\/p>\n<p><p>\u901a\u8fc7\u6df1\u5165\u7406\u89e3\u8fd9\u4e94\u5927\u5185\u5b58\u533a\u57df\u7684\u5de5\u4f5c\u673a\u5236\u548c\u7279\u70b9\uff0cJava\u5f00\u53d1\u8005\u53ef\u4ee5\u66f4\u597d\u5730\u7f16\u5199\u51fa\u9ad8\u6548\u3001\u7a33\u5b9a\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u540c\u65f6\u4e5f\u6709\u52a9\u4e8e\u8bca\u65ad\u548c\u89e3\u51b3\u8fd0\u884c\u65f6\u51fa\u73b0\u7684\u5404\u79cd\u5185\u5b58\u95ee\u9898\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>1. JVM\u5185\u5b58\u533a\u57df\u7684\u77e5\u8bc6\u70b9\u6709\u54ea\u4e9b\uff1f<\/strong><\/p>\n<p>JVM\uff08Java\u865a\u62df\u673a\uff09\u5185\u5b58\u533a\u57df\u662fJava\u7a0b\u5e8f\u8fd0\u884c\u65f6\u4f7f\u7528\u7684\u5185\u5b58\u8d44\u6e90\uff0c\u7528\u4e8e\u5b58\u50a8\u7a0b\u5e8f\u7684\u6570\u636e\u548c\u6267\u884c\u6307\u4ee4\u3002\u4ee5\u4e0b\u662fJVM\u5185\u5b58\u533a\u57df\u7684\u4e3b\u8981\u77e5\u8bc6\u70b9\uff1a<\/p>\n<ul>\n<li>\n<p><strong>\u5806\uff08Heap\uff09<\/strong>\uff1a\u7528\u4e8e\u5b58\u50a8\u5bf9\u8c61\u5b9e\u4f8b\uff0c\u5305\u62ecJava\u7c7b\u7684\u5b9e\u4f8b\u548c\u6570\u7ec4\u3002\u5806\u5206\u4e3a\u65b0\u751f\u4ee3\u548c\u8001\u5e74\u4ee3\uff0c\u53ef\u8fdb\u4e00\u6b65\u7ec6\u5206\u4e3aEden\u533a\u3001Survivor\u533a\u548cTenured\u533a\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u65b9\u6cd5\u533a\uff08Method Area\uff09<\/strong>\uff1a\u7528\u4e8e\u5b58\u50a8\u7c7b\u7684\u5143\u4fe1\u606f\uff0c\u5305\u62ec\u7c7b\u7684\u7ed3\u6784\u3001\u5e38\u91cf\u6c60\u3001\u9759\u6001\u6210\u5458\u548c\u65b9\u6cd5\u7b49\u3002\u5728\u65b9\u6cd5\u533a\u4e2d\u8fd8\u5305\u62ec\u8fd0\u884c\u65f6\u5e38\u91cf\u6c60\uff0c\u5b58\u50a8\u7c7b\u548c\u63a5\u53e3\u4e2d\u7684\u5e38\u91cf\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u865a\u62df\u673a\u6808\uff08Java Virtual Machine Stack\uff09<\/strong>\uff1a\u7528\u4e8e\u5b58\u50a8Java\u65b9\u6cd5\u7684\u5c40\u90e8\u53d8\u91cf\u3001\u65b9\u6cd5\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7b49\u3002\u6bcf\u4e2a\u7ebf\u7a0b\u5728\u6267\u884c\u65b9\u6cd5\u65f6\u90fd\u4f1a\u5728\u865a\u62df\u673a\u6808\u4e0a\u521b\u5efa\u4e00\u4e2a\u6808\u5e27\uff0c\u7528\u4e8e\u5b58\u50a8\u65b9\u6cd5\u6267\u884c\u7684\u72b6\u6001\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u672c\u5730\u65b9\u6cd5\u6808\uff08Native Method Stack\uff09<\/strong>\uff1a\u4e0e\u865a\u62df\u673a\u6808\u7c7b\u4f3c\uff0c\u4f46\u7528\u4e8e\u6267\u884c\u672c\u5730\u65b9\u6cd5\uff08\u901a\u8fc7JNI\u8c03\u7528\u7684\u65b9\u6cd5\uff09\u65f6\u4f7f\u7528\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7a0b\u5e8f\u8ba1\u6570\u5668\uff08Program Counter Register\uff09<\/strong>\uff1a\u7528\u4e8e\u8bb0\u5f55\u5f53\u524d\u7ebf\u7a0b\u6267\u884c\u7684\u4f4d\u7f6e\uff0c\u4e5f\u5373\u5c06\u8981\u6267\u884c\u7684\u6307\u4ee4\u7684\u5730\u5740\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u76f4\u63a5\u5185\u5b58\uff08Direct Memory\uff09<\/strong>\uff1a\u4e0eJVM\u5185\u5b58\u533a\u57df\u4e0d\u540c\uff0c\u76f4\u63a5\u5185\u5b58\u662fJVM\u4ee5\u5916\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u7531NIO\uff08New Input\/Output\uff09\u5e93\u4f7f\u7528\uff0c\u7528\u4e8e\u63d0\u5347IO\u64cd\u4f5c\u7684\u6548\u7387\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u8bf7\u6ce8\u610f\uff0cJVM\u5185\u5b58\u533a\u57df\u7684\u5177\u4f53\u5b9e\u73b0\u53ef\u80fd\u56e0\u4e0d\u540c\u7684JVM\u5382\u5546\u800c\u6709\u6240\u4e0d\u540c\uff0c\u6b64\u5904\u6240\u63cf\u8ff0\u7684\u662fJVM\u5185\u5b58\u533a\u57df\u7684\u4e00\u822c\u60c5\u51b5\u3002<\/p>\n<p><strong>2. JVM\u5185\u5b58\u533a\u57df\u5305\u62ec\u54ea\u4e9b\u90e8\u5206\uff1f<\/strong><\/p>\n<p>JVM\u5185\u5b58\u533a\u57df\u5305\u62ec\u4e86\u5806\u3001\u65b9\u6cd5\u533a\u3001\u865a\u62df\u673a\u6808\u3001\u672c\u5730\u65b9\u6cd5\u6808\u3001\u7a0b\u5e8f\u8ba1\u6570\u5668\u548c\u76f4\u63a5\u5185\u5b58\u3002<\/p>\n<ul>\n<li>\n<p>\u5806\u662f\u5b58\u50a8\u5bf9\u8c61\u5b9e\u4f8b\u7684\u5730\u65b9\uff0c\u5206\u4e3a\u65b0\u751f\u4ee3\u548c\u8001\u5e74\u4ee3\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u7ec6\u5206\u4e3aEden\u533a\u3001Survivor\u533a\u548cTenured\u533a\u3002<\/p>\n<\/li>\n<li>\n<p>\u65b9\u6cd5\u533a\u7528\u4e8e\u5b58\u50a8\u7c7b\u7684\u5143\u4fe1\u606f\uff0c\u5305\u62ec\u7c7b\u7684\u7ed3\u6784\u3001\u5e38\u91cf\u6c60\u3001\u9759\u6001\u6210\u5458\u548c\u65b9\u6cd5\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p>\u865a\u62df\u673a\u6808\u7528\u4e8e\u5b58\u50a8Java\u65b9\u6cd5\u7684\u5c40\u90e8\u53d8\u91cf\u3001\u65b9\u6cd5\u53c2\u6570\u548c\u8fd4\u56de\u503c\u3002<\/p>\n<\/li>\n<li>\n<p>\u672c\u5730\u65b9\u6cd5\u6808\u7c7b\u4f3c\u4e8e\u865a\u62df\u673a\u6808\uff0c\u4f46\u7528\u4e8e\u6267\u884c\u672c\u5730\u65b9\u6cd5\u3002<\/p>\n<\/li>\n<li>\n<p>\u7a0b\u5e8f\u8ba1\u6570\u5668\u8bb0\u5f55\u5f53\u524d\u7ebf\u7a0b\u6267\u884c\u7684\u4f4d\u7f6e\uff0c\u5373\u5c06\u8981\u6267\u884c\u7684\u6307\u4ee4\u7684\u5730\u5740\u3002<\/p>\n<\/li>\n<li>\n<p>\u76f4\u63a5\u5185\u5b58\u662fJVM\u4ee5\u5916\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u7531NIO\u5e93\u4f7f\u7528\uff0c\u7528\u4e8e\u63d0\u5347IO\u64cd\u4f5c\u7684\u6548\u7387\u3002<\/p>\n<\/li>\n<\/ul>\n<p><strong>3. \u5728JVM\u4e2d\uff0c\u5404\u4e2a\u5185\u5b58\u533a\u57df\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n<p>\u5728JVM\u4e2d\uff0c\u5404\u4e2a\u5185\u5b58\u533a\u57df\u6709\u7740\u4e0d\u540c\u7684\u4f5c\u7528\uff1a<\/p>\n<ul>\n<li>\n<p>\u5806\u662f\u5b58\u50a8\u5bf9\u8c61\u5b9e\u4f8b\u7684\u5730\u65b9\uff0c\u5904\u4e8e\u6574\u4e2aJVM\u5185\u5b58\u7ba1\u7406\u7684\u6838\u5fc3\u4f4d\u7f6e\uff0c\u662fGC\uff08Garbage Collection\uff09\u7684\u91cd\u70b9\u533a\u57df\u3002<\/p>\n<\/li>\n<li>\n<p>\u65b9\u6cd5\u533a\u7528\u4e8e\u5b58\u50a8\u7c7b\u7684\u5143\u4fe1\u606f\uff0c\u5305\u62ec\u7c7b\u7684\u7ed3\u6784\u3001\u5e38\u91cf\u6c60\u3001\u9759\u6001\u6210\u5458\u548c\u65b9\u6cd5\u7b49\u3002\u5f53\u7c7b\u88ab\u52a0\u8f7d\u8fdb\u5185\u5b58\u65f6\uff0c\u5bf9\u5e94\u7684\u5143\u4fe1\u606f\u4f1a\u5b58\u50a8\u5728\u65b9\u6cd5\u533a\u3002<\/p>\n<\/li>\n<li>\n<p>\u865a\u62df\u673a\u6808\u7528\u4e8e\u5b58\u50a8Java\u65b9\u6cd5\u7684\u5c40\u90e8\u53d8\u91cf\u3001\u65b9\u6cd5\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7b49\u6570\u636e\u3002\u6bcf\u4e2a\u7ebf\u7a0b\u5728\u6267\u884c\u65b9\u6cd5\u65f6\u4f1a\u6709\u4e00\u4e2a\u5bf9\u5e94\u7684\u865a\u62df\u673a\u6808\uff0c\u7528\u4e8e\u8bb0\u5f55\u65b9\u6cd5\u6267\u884c\u7684\u72b6\u6001\u3002<\/p>\n<\/li>\n<li>\n<p>\u672c\u5730\u65b9\u6cd5\u6808\u4e0e\u865a\u62df\u673a\u6808\u7c7b\u4f3c\uff0c\u4f46\u7528\u4e8e\u6267\u884c\u672c\u5730\u65b9\u6cd5\uff08\u901a\u8fc7JNI\u8c03\u7528\u7684\u65b9\u6cd5\uff09\u65f6\u4f7f\u7528\u3002<\/p>\n<\/li>\n<li>\n<p>\u7a0b\u5e8f\u8ba1\u6570\u5668\u662f\u5f53\u524d\u7ebf\u7a0b\u6240\u6267\u884c\u7684\u5b57\u8282\u7801\u7684\u884c\u53f7\u6307\u793a\u5668\u3002\u5b83\u5b58\u50a8\u4e86\u5f53\u524d\u7ebf\u7a0b\u6240\u6267\u884c\u7684\u6307\u4ee4\u7684\u5730\u5740\uff0c\u7528\u4e8e\u63a7\u5236\u7ebf\u7a0b\u7684\u8df3\u8f6c\u548c\u6267\u884c\u3002<\/p>\n<\/li>\n<li>\n<p>\u76f4\u63a5\u5185\u5b58\u662fJVM\u4ee5\u5916\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u7531NIO\u5e93\u4f7f\u7528\u3002\u4e0e\u5806\u5185\u5b58\u76f8\u6bd4\uff0c\u76f4\u63a5\u5185\u5b58\u7684\u5206\u914d\u548c\u91ca\u653e\u66f4\u52a0\u7075\u6d3b\uff0c\u53ef\u4ee5\u63d0\u9ad8IO\u64cd\u4f5c\u7684\u6548\u7387\u3002<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"Java 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