{"id":49609,"date":"2025-07-30T18:47:20","date_gmt":"2025-07-30T10:47:20","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/49609.html"},"modified":"2025-07-30T18:47:20","modified_gmt":"2025-07-30T10:47:20","slug":"%e6%b7%b1%e5%85%a5%e7%90%86%e8%a7%a3-java-jvm","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/49609.html","title":{"rendered":"\u6df1\u5165\u7406\u89e3 Java JVM"},"content":{"rendered":"<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\n<ul>\n<li>&#x1f4d5;1. JVM\u7b80\u4ecb<\/li>\n<li>&#x1f4d5;2. JVM\u8fd0\u884c\u6d41\u7a0b<\/li>\n<li>&#x1f4d5;3. JVM\u8fd0\u884c\u65f6\u6570\u636e\u533a<\/li>\n<li>&#x1f4d5;4. JVM\u7c7b\u52a0\u8f7d<\/li>\n<li>\n<ul>\n<li>\n<ul>\n<li>\u270f\ufe0f4.1 \u7c7b\u52a0\u8f7d\u8fc7\u7a0b<\/li>\n<li>\u270f\ufe0f4.2 \u53cc\u4eb2\u59d4\u6d3e\u6a21\u578b<\/li>\n<li>\u270f\ufe0f4.3 \u7834\u574f\u53cc\u4eb2\u59d4\u6d3e\u6a21\u578b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>&#x1f4d5;5. JVM\u5783\u573e\u56de\u6536\u673a\u5236&#xff08;GC\u673a\u5236&#xff09;<\/li>\n<li>\n<ul>\n<li>\n<ul>\n<li>\u270f\ufe0f5.1 \u5224\u65ad\u6b7b\u4ea1\u5bf9\u8c61\u7684\u7b97\u6cd5<\/li>\n<li>\u270f\ufe0f5.2 \u5783\u573e\u56de\u6536\u7b97\u6cd5<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>&#x1f4d5;1. JVM\u7b80\u4ecb<\/h3>\n<p>JVM \u662f Java Virtual Machine \u7684\u7b80\u79f0&#xff0c;\u610f\u4e3a Java\u865a\u62df\u673a\u3002 \u865a\u62df\u673a\u662f\u6307\u901a\u8fc7\u8f6f\u4ef6\u6a21\u62df\u7684\u5177\u6709\u5b8c\u6574\u786c\u4ef6\u529f\u80fd\u7684\u3001\u8fd0\u2f8f\u5728\u2f00\u4e2a\u5b8c\u5168\u9694\u79bb\u7684\u73af\u5883\u4e2d\u7684\u5b8c\u6574\u8ba1\u7b97\u673a\u7cfb\u7edf\u3002JVM \u662f\u2f00\u53f0\u88ab\u5b9a\u5236\u8fc7\u7684\u73b0\u5b9e\u5f53\u4e2d\u4e0d\u5b58\u5728\u7684\u8ba1\u7b97\u673a\u3002<\/p>\n<h3>&#x1f4d5;2. JVM\u8fd0\u884c\u6d41\u7a0b<\/h3>\n<p>JVM \u662f Java \u8fd0\u2f8f\u7684\u57fa\u7840&#xff0c;\u4e5f\u662f\u5b9e\u73b0\u2f00\u6b21\u7f16\u8bd1\u5230\u5904\u6267\u2f8f\u7684\u5173\u952e&#xff0c;\u90a3\u4e48 JVM \u662f\u5982\u4f55\u6267\u2f8f\u7684\u5462&#xff1f;<\/p>\n<p>\u7a0b\u5e8f\u5728\u6267\u2f8f\u4e4b\u524d\u5148\u8981\u628ajava\u4ee3\u7801\u8f6c\u6362\u6210\u5b57\u8282\u7801&#xff08;class\u2f42\u4ef6&#xff09;&#xff0c;JVM \u2fb8\u5148\u9700\u8981\u628a\u5b57\u8282\u7801\u901a\u8fc7\u2f00\u5b9a\u7684\u2f45\u5f0f\u628a\u2f42\u4ef6\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d&#xff0c;\u2f7d\u5b57\u8282\u7801\u2f42\u4ef6\u662f JVM \u7684\u2f00\u5957\u6307\u4ee4\u96c6\u89c4\u8303&#xff0c;\u5e76\u4e0d\u80fd\u76f4\u63a5\u4ea4\u4e2a\u5e95\u5c42\u64cd\u4f5c\u7cfb\u7edf\u53bb\u6267\u2f8f&#xff0c;\u56e0\u6b64\u9700\u8981\u7279\u5b9a\u7684\u547d\u4ee4\u89e3\u6790\u5668\u5c06\u5b57\u8282\u7801\u7ffb\u8bd1\u6210\u5e95\u5c42\u7cfb\u7edf\u6307\u4ee4\u518d\u4ea4\u7531CPU\u53bb\u6267\u2f8f&#xff0c;\u2f7d\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\u9700\u8981\u8c03\u2f64\u5176\u4ed6\u8bed\u2f94\u7684\u63a5\u2f1d\u6765\u5b9e\u73b0\u6574\u4e2a\u7a0b\u5e8f\u7684\u529f\u80fd&#xff0c;\u8fd9\u5c31\u662f\u8fd94\u4e2a\u4e3b\u8981\u7ec4\u6210\u90e8\u5206\u7684\u804c\u8d23\u4e0e\u529f\u80fd\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250730104657-6889f821159f2.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u603b\u7ed3\u6765\u770b&#xff0c; JVM \u4e3b\u8981\u901a\u8fc7\u5206\u4e3a\u4ee5\u4e0b 4 \u4e2a\u90e8\u5206&#xff0c;\u6765\u6267\u2f8f Java \u7a0b\u5e8f\u7684&#xff0c;\u5b83\u4eec\u5206\u522b\u662f&#xff1a;<\/p>\n<li>\u7c7b\u52a0\u8f7d\u5668&#xff08;ClassLoader&#xff09;<\/li>\n<li>\u8fd0\u2f8f\u65f6\u6570\u636e\u533a&#xff08;Runtime Data Area&#xff09;<\/li>\n<li>\u6267\u2f8f\u5f15\u64ce&#xff08;Execution Engine&#xff09;<\/li>\n<li>\u672c\u5730\u5e93\u63a5\u2f1d&#xff08;Native Interface&#xff09;<\/li>\n<h3>&#x1f4d5;3. JVM\u8fd0\u884c\u65f6\u6570\u636e\u533a<\/h3>\n<p>JVM \u8fd0\u2f8f\u65f6\u6570\u636e\u533a\u57df\u4e5f\u53eb\u5185\u5b58\u5e03\u5c40&#xff0c;\u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\u5b83\u548c Java \u5185\u5b58\u6a21\u578b&#xff08;(Java Memory Model&#xff0c;\u7b80\u79f0 JMM&#xff09;\u5b8c\u5168\u4e0d\u540c&#xff0c;\u5c5e\u4e8e\u5b8c\u5168\u4e0d\u540c\u7684\u4e24\u4e2a\u6982\u5ff5&#xff0c;\u5b83\u7531\u4ee5\u4e0b 5 \u2f24\u90e8\u5206\u7ec4\u6210&#xff1a; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250730104657-6889f821985d8.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>&#x1f308; 1. \u5806<\/p>\n<p>\u5806\u7684\u4f5c\u2f64&#xff1a;\u7a0b\u5e8f\u4e2d\u521b\u5efa\u7684\u6240\u6709\u5bf9\u8c61\u90fd\u5728\u4fdd\u5b58\u5728\u5806\u4e2d&#xff08;\u9664\u4e86\u5bf9\u8c61\u7684\u5b9e\u4f8b\u5c5e\u6027\u5916\u8fd8\u6709\u5bf9\u8c61\u7684\u5934\u4fe1\u606f&#xff09;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250730104658-6889f822d824f.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u5806\u2fa5\u2faf\u5206\u4e3a\u4e24\u4e2a\u533a\u57df&#xff1a;\u65b0\u2f63\u4ee3\u548c\u2f7c\u2f63\u4ee3&#xff0c;\u65b0\u2f63\u4ee3\u653e\u65b0\u5efa\u7684\u5bf9\u8c61&#xff0c;\u5f53\u7ecf\u8fc7\u2f00\u5b9a GC \u6b21\u6570\u4e4b\u540e\u8fd8\u5b58\u6d3b\u7684\u5bf9\u8c61\u4f1a\u653e\u2f0a\u2f7c\u2f63\u4ee3\u3002\u65b0\u2f63\u4ee3\u8fd8\u6709 3 \u4e2a\u533a\u57df&#xff1a;\u2f00\u4e2a Eden &#043; \u4e24\u4e2a Survivor&#xff08;S0\/S1&#xff09;\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250730104700-6889f82483eb4.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u5783\u573e\u56de\u6536\u7684\u65f6\u5019\u4f1a\u5c06 Eden \u4e2d\u5b58\u6d3b\u7684\u5bf9\u8c61\u653e\u5230\u2f00\u4e2a\u672a\u4f7f\u2f64\u7684 Survivor \u4e2d&#xff0c;\u5e76\u628a\u5f53\u524d\u7684 Endn \u548c\u6b63\u5728\u4f7f\u2f64\u7684Survivor \u6e05\u9664\u3002<\/p>\n<p>&#x1f308; 2. \u865a\u62df\u673a\u6808<\/p>\n<p>Java \u865a\u62df\u673a\u6808\u7684\u4f5c\u2f64&#xff1a;Java \u865a\u62df\u673a\u6808\u7684\u2f63\u547d\u5468\u671f\u548c\u7ebf\u7a0b\u76f8\u540c&#xff0c;Java \u865a\u62df\u673a\u6808\u63cf\u8ff0\u7684\u662f Java \u2f45\u6cd5\u6267\u2f8f\u7684\u5185\u5b58\u6a21\u578b&#xff1a;\u6bcf\u4e2a\u2f45\u6cd5\u5728\u6267\u2f8f\u7684\u540c\u65f6\u90fd\u4f1a\u521b\u5efa\u2f00\u4e2a\u6808\u5e27&#xff08;Stack Frame&#xff09;\u2f64\u4e8e\u5b58\u50a8\u5c40\u90e8\u53d8\u91cf\u8868\u3001\u64cd\u4f5c\u6570\u6808\u3001\u52a8\u6001\u94fe\u63a5\u3001\u2f45\u6cd5\u51fa\u2f1d\u7b49\u4fe1\u606f\u3002\u54b1\u4eec\u5e38\u8bf4\u7684\u5806\u5185\u5b58\u3001\u6808\u5185\u5b58\u4e2d&#xff0c;\u6808\u5185\u5b58\u6307\u7684\u5c31\u662f\u865a\u62df\u673a\u6808\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250730104701-6889f82534c25.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u901a\u4fd7\u6765\u8bf4&#xff0c;\u6808\u5e27\u91cc\u9762\u5305\u62ec\u65b9\u6cd5\u7684\u53c2\u6570&#xff0c;\u65b9\u6cd5\u4e2d\u7684\u5c40\u90e8\u53d8\u91cf&#xff0c;\u65b9\u6cd5\u7ed3\u675f\u540e\u8fd4\u56de\u503c\u7ed3\u679c&#xff0c;\u65b9\u6cd5\u7ed3\u675f\u540e\u8df3\u8f6c\u56de\u7684\u5730\u5740\u3002<\/p>\n<p>&#x1f308; 3. \u7ebf\u7a0b\u8ba1\u6570\u5668<\/p>\n<p>\u7a0b\u5e8f\u8ba1\u6570\u5668\u7684\u4f5c\u2f64&#xff1a;\u63cf\u8ff0Java\u7a0b\u5e8f\u8981\u8fd0\u884c\u7684\u4e0b\u4e00\u4e2a\u5b57\u8282\u7801\u7684\u4f4d\u7f6e\u3002<\/p>\n<p>\u7a0b\u5e8f\u8ba1\u6570\u5668\u662f\u2f00\u5757\u2f50\u8f83\u2f29\u7684\u5185\u5b58\u7a7a\u95f4&#xff0c;\u53ef\u4ee5\u770b\u505a\u662f\u5f53\u524d\u7ebf\u7a0b\u6240\u6267\u2f8f\u7684\u5b57\u8282\u7801\u7684\u2f8f\u53f7\u6307\u2f70\u5668\u3002<\/p>\n<p>\u5982\u679c\u5f53\u524d\u7ebf\u7a0b\u6b63\u5728\u6267\u2f8f\u7684\u662f\u2f00\u4e2aJava\u2f45\u6cd5&#xff0c;\u8fd9\u4e2a\u8ba1\u6570\u5668\u8bb0\u5f55\u7684\u662f\u6b63\u5728\u6267\u2f8f\u7684\u865a\u62df\u673a\u5b57\u8282\u7801\u6307\u4ee4\u7684\u5730\u5740&#xff1b;\u5982\u679c\u6b63\u5728\u6267\u2f8f\u7684\u662f\u2f00\u4e2aNative\u2f45\u6cd5&#xff0c;\u8fd9\u4e2a\u8ba1\u6570\u5668\u503c\u4e3a\u7a7a\u3002<\/p>\n<p>&#x1f308; 4. \u5143\u6570\u636e\u533a(Java8\u4e4b\u524d\u88ab\u79f0\u4e3a\u65b9\u6cd5\u533a)<\/p>\n<p>\u6211\u4eec\u5728Java\u4ee3\u7801\u4e2d\u4f1a\u521b\u5efa\u7c7b&#xff0c;\u57fa\u4e8e\u7c7b\u521b\u5efa\u5bf9\u8c61&#xff0c;\u521b\u5efa\u7684\u5bf9\u8c61\u4f1a\u6709\u5185\u5b58\u7a7a\u95f4\u8fdb\u884c\u4fdd\u5b58&#xff0c;\u540c\u7406\u7c7b\u4e5f\u8981\u6709\u5185\u5b58\u7a7a\u95f4\u8fdb\u884c\u4fdd\u5b58\u3002Java\u4e2d\u63d0\u51fa\u4e86\u7c7b\u5bf9\u8c61\u7684\u6982\u5ff5&#xff0c;\u901a\u8fc7\u4e00\u4e2a\u7279\u6b8a\u7684\u5bf9\u8c61&#xff0c;\u8868\u793a\u4e00\u4e2a\u7c7b\u7684\u57fa\u672c\u4fe1\u606f\u3002\u5728\u5143\u6570\u636e\u533a\u4e2d&#xff0c;\u5b58\u653e\u7684\u5c31\u662f\u7c7b\u7684\u5bf9\u5e94\u6307\u4ee4\u3002<\/p>\n<p>\u5728\u5143\u6570\u636e\u533a\u4e2d\u4f1a\u4fdd\u5b58&#xff1a; 1.\u7c7b\u7684\u540d\u5b57\u662f\u5565 2.\u7c7b\u7ee7\u627f\u7684\u7236\u7c7b\u662f\u5565 3.\u5b9e\u73b0\u7684\u63a5\u53e3\u662f\u5565 4.\u6709\u5565\u5c5e\u6027&#xff08;\u5c5e\u6027\u7684\u540d\u5b57&#xff0c;\u7c7b\u578b&#xff0c;\u9650\u5b9a\u4fee\u9970\u7b26&#xff09; 5.\u6709\u5565\u65b9\u6cd5&#xff08;\u65b9\u6cd5\u7684\u540d\u5b57&#xff0c;\u53c2\u6570\u5217\u8868&#xff0c;\u8fd4\u56de\u503c&#xff0c;\u9650\u5b9a\u4fee\u9970\u7b26&#xff09; 6.\u7c7b\u9759\u6001\u6210\u5458 7.\u9759\u6001\u5e38\u91cf<\/p>\n<p>\u5143\u6570\u636e\u533a\u7684\u5185\u5bb9Java\u4ee3\u7801\u5e72\u9884\u4e0d\u4e86&#xff0c;\u5728Java\u4ee3\u7801\u4e2d\u5199\u591a\u5c11\u7c7b&#xff0c;\u5143\u6570\u636e\u533a\u7684\u5185\u5bb9\u5c31\u786e\u5b9a\u4e86\u3002<\/p>\n<p>&#x1f308; 5. \u603b\u7ed3<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250730104702-6889f826b6427.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>&#x1f4d5;4. JVM\u7c7b\u52a0\u8f7d<\/h3>\n<p>\u7c7b\u52a0\u8f7d\u662fJVM\u4ece\u6700\u5f00\u59cb\u8bfb\u53d6\u7684 .class\u6587\u4ef6&#xff0c;\u5230\u6700\u7ec8\u6784\u9020\u5b8c\u6210\u7c7b\u5bf9\u8c61\u7684\u6574\u4e2a\u8fc7\u7a0b\u3002\u662f\u628a\u201c\u7c7b\u201d\u4ece\u786c\u76d8\u4e0a\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\u3002<\/p>\n<h5>\u270f\ufe0f4.1 \u7c7b\u52a0\u8f7d\u8fc7\u7a0b<\/h5>\n<p>\u5bf9\u4e8e\u2f00\u4e2a\u7c7b\u6765\u8bf4&#xff0c;\u5b83\u7684\u2f63\u547d\u5468\u671f\u662f\u8fd9\u6837\u7684&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250730104703-6889f827e0b53.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u5176\u4e2d\u524d 5 \u6b65\u662f\u56fa\u5b9a\u7684\u987a\u5e8f\u5e76\u4e14\u4e5f\u662f\u7c7b\u52a0\u8f7d\u7684\u8fc7\u7a0b&#xff0c;\u5176\u4e2d\u4e2d\u95f4\u7684 3 \u6b65\u6211\u4eec\u90fd\u5c5e\u4e8e\u8fde\u63a5&#xff0c;\u6240\u4ee5\u5bf9\u4e8e\u7c7b\u52a0\u8f7d\u6765\u8bf4\u603b\u5171\u5206\u4e3a\u4ee5\u4e0b\u2f0f\u4e2a\u6b65\u9aa4&#xff1a;<\/p>\n<li>&#x1f308;\u52a0\u8f7d<\/li>\n<p>\u5728\u52a0\u8f7d Loading \u9636\u6bb5&#xff0c;Java\u865a\u62df\u673a\u9700\u8981\u5b8c\u6210\u4ee5\u4e0b\u4e09\u4ef6\u4e8b\u60c5&#xff1a;<\/p>\n<p>1.\u901a\u8fc7\u2f00\u4e2a\u7c7b\u7684\u5168\u9650\u5b9a\u7c7b\u540d&#xff08;\u5305\u540d&#043;\u7c7b\u540d&#xff09;\u6765\u83b7\u53d6\u5b9a\u4e49\u6b64\u7c7b\u7684\u2f06\u8fdb\u5236\u5b57\u8282\u6d41 2.\u5c06\u8fd9\u4e2a\u5b57\u8282\u6d41\u6240\u4ee3\u8868\u7684\u9759\u6001\u5b58\u50a8\u7ed3\u6784\u8f6c\u5316\u4e3a\u65b9\u6cd5\u533a\u7684\u8fd0\u2f8f\u65f6\u6570\u636e\u7ed3\u6784\u3002 3.\u5728\u5185\u5b58\u4e2d\u2f63\u6210\u2f00\u4e2a\u4ee3\u8868\u8fd9\u4e2a\u7c7b\u7684Class\u5bf9\u8c61&#xff0c;\u4f5c\u4e3a\u2f45\u6cd5\u533a\u8fd9\u4e2a\u7c7b\u7684\u5404\u79cd\u6570\u636e\u7684\u8bbf\u95ee\u2f0a\u2f1d<\/p>\n<li>&#x1f308;\u9a8c\u8bc1<\/li>\n<p>\u9a8c\u8bc1\u662f\u8fde\u63a5\u9636\u6bb5\u7684\u7b2c\u2f00\u6b65&#xff0c;\u6821\u9a8c\u4e0a\u4e00\u6b65\u8bfb\u51fa\u6765\u7684.class\u6587\u4ef6\u662f\u5426\u662f\u5408\u6cd5\u7684\u3002 \u8fd9\u2f00\u9636\u6bb5\u7684\u2f6c\u7684\u662f\u786e\u4fddClass\u2f42\u4ef6\u7684\u5b57\u8282\u6d41\u4e2d\u5305\u542b\u7684\u4fe1\u606f\u7b26\u5408\u300aJava\u865a\u62df\u673a\u89c4\u8303\u300b\u7684\u5168\u90e8\u7ea6\u675f\u8981\u6c42&#xff0c;\u4fdd\u8bc1\u8fd9\u4e9b\u4fe1\u606f\u88ab\u5f53\u4f5c\u4ee3\u7801\u8fd0\u2f8f\u540e\u4e0d\u4f1a\u5371\u5bb3\u865a\u62df\u673a\u2f83\u2f9d\u7684\u5b89\u5168\u3002\u5982\u679c\u9a8c\u8bc1\u8fc7\u7a0b\u4e2d\u53d1\u73b0\u67d0\u4e2a\u5730\u65b9\u7684\u683c\u5f0f\u51fa\u73b0\u95ee\u9898&#xff0c;\u5c31\u9700\u8981\u53ca\u65f6\u62a5\u9519&#xff0c;\u544a\u77e5\u7ed9\u7a0b\u5e8f\u5458\u3002<\/p>\n<li>&#x1f308;\u51c6\u5907<\/li>\n<p>\u51c6\u5907\u9636\u6bb5\u662f\u6b63\u5f0f\u4e3a\u7c7b\u4e2d\u5b9a\u4e49\u7684\u53d8\u91cf&#xff08;\u5373\u9759\u6001\u53d8\u91cf&#xff0c;\u88abstatic\u4fee\u9970\u7684\u53d8\u91cf&#xff09;\u5206\u914d\u5185\u5b58\u5e76\u8bbe\u7f6e\u7c7b\u53d8\u91cf\u521d\u59cb\u503c\u7684\u9636\u6bb5\u3002\u6b64\u5904\u7533\u8bf7\u7684\u7a7a\u95f4\u662f\u4e00\u4e2a\u201c\u672a\u521d\u59cb\u5316\u201d\u7684\u7a7a\u95f4&#xff0c;\u7a7a\u95f4\u4e0a\u7684\u6bcf\u4e2a\u5b57\u8282\u90fd\u662f0\u3002<\/p>\n<p><span class=\"token comment\">\/\/\u6bd4\u5982\u6b64\u65f6\u6709\u8fd9\u6837\u4e00\u884c\u4ee3\u7801&#xff1a;<\/span><br \/>\n<span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">int<\/span> value <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">123<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/\u6b64\u65f6value\u7684\u503c\u662f0&#xff0c;\u800c\u4e0d\u662f123<\/span><\/p>\n<li>&#x1f308;\u89e3\u6790<\/li>\n<p>\u89e3\u6790\u8fc7\u7a0b\u662f\u9488\u5bf9\u4ee3\u7801\u4e2d\u7684\u5e38\u91cf\u8fdb\u884c\u521d\u59cb\u5316&#xff0c;\u4e5f\u5c31\u662f\u628a.class\u6587\u4ef6\u4e2d\u7684\u5e38\u91cf\u4e5f\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\u3002 \u5bf9\u4e8e\u4e0a\u8ff0\u4ee3\u7801\u4e2dvalue&#xff0c;\u6b64\u65f6value\u7684\u503c\u5c31\u662f123\u4e86\u3002<\/p>\n<li>&#x1f308;\u521d\u59cb\u5316<\/li>\n<p>\u521d\u59cb\u5316\u9636\u6bb5&#xff0c;Java 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\u53cc\u4eb2\u59d4\u6d3e\u6a21\u578b<\/h5>\n<p>\u53cc\u4eb2\u59d4\u6d3e\u6a21\u578b\u662f\u7528\u4e8e\u7c7b\u52a0\u8f7d\u8fc7\u7a0b\u4e2d\u7684\u7b2c\u4e00\u4e2a\u73af\u8282&#xff0c;\u6839\u636e\u7c7b\u7684\u5168\u9650\u5b9a\u7c7b\u540d&#xff08;\u5305\u540d&#043;\u7c7b\u540d&#xff09;\u627e\u5230\u5bf9\u5e94\u7684.class\u6587\u4ef6\u3002<\/p>\n<p>&#x1f6a9;\u4ec0\u4e48\u662f\u53cc\u4eb2\u59d4\u6d3e\u6a21\u578b&#xff1f;<\/p>\n<p>\u5982\u679c\u2f00\u4e2a\u7c7b\u52a0\u8f7d\u5668\u6536\u5230\u4e86\u7c7b\u52a0\u8f7d\u7684\u8bf7\u6c42&#xff0c;\u5b83\u2fb8\u5148\u4e0d\u4f1a\u2f83\u2f30\u53bb\u5c1d\u8bd5\u52a0\u8f7d\u8fd9\u4e2a\u7c7b&#xff0c;\u2f7d\u662f\u628a\u8fd9\u4e2a\u8bf7\u6c42\u59d4\u6d3e\u7ed9\u2f57\u7c7b\u52a0\u8f7d\u5668&#xff08;\u6bcf\u4e00\u4e2a\u7c7b\u52a0\u8f7d\u5668\u90fd\u6709\u4e00\u4e2aparent\u5c5e\u6027&#xff0c;\u8bb0\u5f55\u4e86\u81ea\u5df1\u7684\u7236\u4eb2\u662f\u8c01&#xff0c;\u8fd9\u4e2a\u662f\u65e0\u6cd5\u7be1\u6539\u7684&#xff0c;\u5199\u6b7b\u5728JVM\u6e90\u7801\u7684&#xff09;\u53bb\u5b8c\u6210&#xff0c;\u6bcf\u2f00\u4e2a\u5c42\u6b21\u7684\u7c7b\u52a0\u8f7d\u5668\u90fd\u662f\u5982\u6b64&#xff0c;\u56e0\u6b64\u6240\u6709\u7684\u52a0\u8f7d\u8bf7\u6c42\u6700\u7ec8\u90fd\u5e94\u8be5\u4f20\u9001\u5230\u6700\u9876\u5c42\u7684\u542f\u52a8\u7c7b\u52a0\u8f7d\u5668\u4e2d&#xff0c;\u53ea\u6709\u5f53\u2f57\u52a0\u8f7d\u5668\u53cd\u9988\u2f83\u2f30\u2f46\u6cd5\u5b8c\u6210\u8fd9\u4e2a\u52a0\u8f7d\u8bf7\u6c42&#xff08;\u5b83\u7684\u641c\u7d22\u8303\u56f4\u4e2d\u6ca1\u6709\u627e\u5230\u6240\u9700\u7684\u7c7b&#xff09;\u65f6&#xff0c;\u2f26\u52a0\u8f7d\u5668\u624d\u4f1a\u5c1d\u8bd5\u2f83\u2f30\u53bb\u5b8c\u6210\u52a0\u8f7d\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250730104705-6889f8293ac5e.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>JVM\u81ea\u5e26\u4e86\u4e09\u79cd\u7c7b\u52a0\u8f7d\u5668&#xff1a;<\/p>\n<li>Bootstrap ClassLoader &#xff1a;\u542f\u52a8\u7c7b\u52a0\u8f7d\u5668&#xff0c;\u8d1f\u8d23\u5728Java\u7684\u6807\u51c6\u5e93\u4e2d\u8fdb\u884c\u67e5\u627e<\/li>\n<li>Extension ClassLoader&#xff1a;\u6269\u5c55\u7c7b\u52a0\u8f7d\u5668&#xff0c;\u8d1f\u8d23\u5728Java\u7684\u6269\u5c55\u5e93\u4e2d\u8fdb\u884c\u67e5\u627e<\/li>\n<li>Application ClassLoader&#xff1a;\u5e94\u7528\u7a0b\u5e8f\u7c7b\u52a0\u8f7d\u5668&#xff0c;\u8d1f\u8d23\u5728Java\u7684\u7b2c\u4e09\u65b9\u5e93\u6216\u8005\u9879\u76ee\u4e2d\u8fdb\u884c\u67e5\u627e<\/li>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250730104709-6889f82d70d63.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250730104710-6889f82e3abd1.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250730104712-6889f83021b7e.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>&#x1f6a9;\u53cc\u4eb2\u59d4\u6d3e\u6a21\u578b\u7684\u4f18\u70b9&#xff1a;<\/p>\n<li>\u907f\u514d\u91cd\u590d\u52a0\u8f7d\u7c7b&#xff1a;\u6bd4\u5982 A \u7c7b\u548c B \u7c7b\u90fd\u6709\u2f00\u4e2a\u2f57\u7c7b C \u7c7b&#xff0c;\u90a3\u4e48\u5f53 A \u542f\u52a8\u65f6\u5c31\u4f1a\u5c06 C \u7c7b\u52a0\u8f7d\u8d77\u6765&#xff0c;\u90a3\u4e48\u5728 B \u7c7b\u8fdb\u2f8f\u52a0\u8f7d\u65f6\u5c31\u4e0d\u9700\u8981\u5728\u91cd\u590d\u52a0\u8f7d C \u7c7b\u4e86\u3002<\/li>\n<li>\u5b89\u5168\u6027&#xff1a;\u4f7f\u2f64\u53cc\u4eb2\u59d4\u6d3e\u6a21\u578b\u4e5f\u53ef\u4ee5\u4fdd\u8bc1\u4e86 Java \u7684\u6838\u2f3c API \u4e0d\u88ab\u7be1\u6539\u3002\u6bd4\u5982\u6211\u81ea\u5df1\u5199\u4e86\u4e00\u4e2aString\u7c7b&#xff0c;\u548c\u6807\u51c6\u5e93\u7684String\u7c7b\u6b63\u597d\u91cd\u590d\u4e86&#xff0c;\u6b64\u65f6JVM\u52a0\u8f7d\u7684\u4ecd\u7136\u662f\u6807\u51c6\u5e93\u7684String\u7c7b&#xff0c;\u800c\u4e0d\u662f\u6211\u5199\u7684String\u7c7b\u3002\u4fdd\u8bc1\u4e86\u5b89\u5168\u6027\u3002<\/li>\n<h5>\u270f\ufe0f4.3 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JVM\u5783\u573e\u56de\u6536\u673a\u5236&#xff08;GC\u673a\u5236&#xff09;<\/h3>\n<p>\u4e0a\u9762\u6211\u4eec\u4ecb\u7ecd\u4e86JVM\u8fd0\u884c\u65f6\u7684\u6570\u636e\u533a&#xff0c;\u5bf9\u4e8e\u7a0b\u5e8f\u8ba1\u6570\u5668&#xff0c;\u865a\u62df\u673a\u6808&#xff0c;\u672c\u5730\u65b9\u6cd5\u6808\u7684\u751f\u547d\u5468\u671f\u4e0e\u5176\u5bf9\u5e94\u7684\u7ebf\u7a0b\u6709\u5173&#xff0c;\u968f\u7740\u7ebf\u7a0b\u7684\u7ed3\u675f\u8fdb\u800c\u9500\u6bc1\u3002\u56e0\u6b64GC\u4e3b\u8981\u662f\u56de\u6536\u5806\u4e0a\u7684\u5bf9\u8c61\u3002\u5728 Java \u4e2d&#xff0c;\u6240\u6709\u7684\u5bf9\u8c61\u90fd\u662f\u8981\u5b58\u5728\u5185\u5b58\u4e2d\u7684&#xff08;\u4e5f\u53ef\u4ee5\u8bf4\u5185\u5b58\u4e2d\u5b58\u50a8\u7684\u662f\u2f00\u4e2a\u4e2a\u5bf9\u8c61&#xff09;&#xff0c;\u56e0\u6b64\u6211\u4eec\u5c06\u5185\u5b58\u56de\u6536&#xff0c;\u4e5f\u53ef\u4ee5\u53eb\u505a\u6b7b\u4ea1\u5bf9\u8c61\u7684\u56de\u6536\u3002GC\u56de\u6536\u5e76\u4e0d\u662f\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\u8fdb\u884c\u56de\u6536&#xff0c;\u800c\u662f\u4ee5\u5bf9\u8c61\u4e3a\u5355\u4f4d\u8fdb\u884c\u56de\u6536\u3002<\/p>\n<h5>\u270f\ufe0f5.1 \u5224\u65ad\u6b7b\u4ea1\u5bf9\u8c61\u7684\u7b97\u6cd5<\/h5>\n<li>&#x1f6a9; \u5f15\u7528\u8ba1\u6570\u7b97\u6cd5<\/li>\n<p>\u7ed9\u5bf9\u8c61\u589e\u52a0\u2f00\u4e2a\u5f15\u2f64\u8ba1\u6570\u5668&#xff0c;\u6bcf\u5f53\u6709\u2f00\u4e2a\u5730\u2f45\u5f15\u2f64\u5b83\u65f6&#xff0c;\u8ba1\u6570\u5668\u5c31&#043;1&#xff1b;\u5f53\u5f15\u2f64\u5931\u6548\u65f6&#xff0c;\u8ba1\u6570\u5668\u5c31-1&#xff1b; \u4efb\u4f55\u65f6\u523b\u8ba1\u6570\u5668\u4e3a0\u7684\u5bf9\u8c61\u5c31\u662f\u4e0d\u80fd\u518d\u88ab\u4f7f\u2f64\u7684&#xff0c;\u5373\u5bf9\u8c61\u5df2&#034;\u6b7b&#034;\u3002<\/p>\n<p>\u5f15\u2f64\u8ba1\u6570\u6cd5\u5b9e\u73b0\u7b80\u5355&#xff0c;\u5224\u5b9a\u6548\u7387\u4e5f\u2f50\u8f83\u2fbc&#xff0c;\u5728\u2f24\u90e8\u5206\u60c5\u51b5\u4e0b\u90fd\u662f\u2f00\u4e2a\u4e0d\u9519\u7684\u7b97\u6cd5\u3002\u2f50\u5982Python\u8bed\u2f94\u5c31 \u91c7\u2f64\u5f15\u2f64\u8ba1\u6570\u6cd5\u8fdb\u2f8f\u5185\u5b58\u7ba1\u7406\u3002<\/p>\n<p>\u4f46\u662f&#xff0c;\u5f15\u5165\u8ba1\u6570\u7b97\u6cd5\u6709\u4e24\u4e2a\u5f0a\u7aef&#xff1a;<\/p>\n<p>a) \u6d88\u8017\u989d\u5916\u7684\u7a7a\u95f4\u5927 : \u5047\u5982\u5bf9\u8c61\u53ea\u67094\u5b57\u8282&#xff0c;\u8ba1\u6570\u5668\u67092\u5b57\u8282&#xff0c;\u989d\u5916\u6d6a\u8d3950%\u7684\u5185\u5b58\u7a7a\u95f4&#xff0c;\u9020\u6210\u5185\u5b58\u6d6a\u8d39\u3002<\/p>\n<p>b) \u5faa\u73af\u5f15\u7528\u95ee\u9898 :<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250730104714-6889f832d4470.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<li>&#x1f6a9;\u53ef\u8fbe\u6027\u5206\u6790\u7b97\u6cd5&#xff08;Java\u6240\u4f7f\u7528\u7684\u65b9\u6848&#xff09;<\/li>\n<p>\u6b64\u7b97\u6cd5\u7684\u6838\u2f3c\u601d\u60f3\u4e3a : \u901a\u8fc7\u2f00\u7cfb\u5217\u79f0\u4e3a&#034;GC Roots&#034;\u7684\u5bf9\u8c61\u4f5c\u4e3a\u8d77\u59cb\u70b9&#xff0c;\u4ece\u8fd9\u4e9b\u8282\u70b9\u5f00\u59cb\u5411\u4e0b\u641c\u7d22&#xff0c;\u641c \u7d22\u2f9b\u8fc7\u7684\u8def\u5f84\u79f0\u4e4b\u4e3a&#034;\u5f15\u2f64\u94fe&#034;&#xff0c;\u5f53\u2f00\u4e2a\u5bf9\u8c61\u5230GC Roots\u6ca1\u6709\u4efb\u4f55\u7684\u5f15\u2f64\u94fe\u76f8\u8fde\u65f6(\u4eceGC Roots\u5230\u8fd9\u4e2a\u5bf9 \u8c61\u4e0d\u53ef\u8fbe)\u65f6&#xff0c;\u8bc1\u660e\u6b64\u5bf9\u8c61\u662f\u4e0d\u53ef\u2f64\u7684\u3002\u4ee5\u4e0b\u56fe\u4e3a\u4f8b&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250730104716-6889f8344532b.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u5bf9\u8c61Object5-Object7\u4e4b\u95f4\u867d\u7136\u5f7c\u6b64\u8fd8\u6709\u5173\u8054&#xff0c;\u4f46\u662f\u5b83\u4eec\u5230GC Roots\u662f\u4e0d\u53ef\u8fbe\u7684&#xff0c;\u56e0\u6b64\u4ed6\u4eec\u4f1a\u88ab\u5224\u5b9a\u4e3a\u53ef\u56de\u6536\u5bf9\u8c61\u3002<\/p>\n<p>\u5728Java\u8bed\u2f94\u4e2d&#xff0c;\u53ef\u4f5c\u4e3aGC Roots\u7684\u5bf9\u8c61\u5305\u542b\u4e0b\u2faf\u2f0f\u79cd&#xff1a;<\/p>\n<li>\u865a\u62df\u673a\u6808(\u6808\u5e27\u4e2d\u7684\u672c\u5730\u53d8\u91cf\u8868)\u4e2d\u5f15\u2f64\u7684\u5bf9\u8c61<\/li>\n<li>\u2f45\u6cd5\u533a\u4e2d\u7c7b\u9759\u6001\u5c5e\u6027\u5f15\u2f64\u7684\u5bf9\u8c61<\/li>\n<li>\u2f45\u6cd5\u533a\u4e2d\u5e38\u91cf\u5f15\u2f64\u7684\u5bf9\u8c61<\/li>\n<li>\u672c\u5730\u2f45\u6cd5\u6808\u4e2d JNI(Native\u2f45\u6cd5)\u5f15\u2f64\u7684\u5bf9\u8c61<\/li>\n<h5>\u270f\ufe0f5.2 \u5783\u573e\u56de\u6536\u7b97\u6cd5<\/h5>\n<li>&#x1f6a9;\u6807\u8bb0-\u6e05\u9664\u7b97\u6cd5<\/li>\n<p>\u201c\u6807\u8bb0-\u6e05\u9664&#034;\u7b97\u6cd5\u662f\u6700\u57fa\u7840\u7684\u6536\u96c6\u7b97\u6cd5\u3002\u7b97\u6cd5\u5206\u4e3a&#034;\u6807\u8bb0&#034;\u548c&#034;\u6e05\u9664&#034;\u4e24\u4e2a\u9636\u6bb5 : \u2fb8\u5148\u6807\u8bb0\u51fa\u6240\u6709\u9700\u8981\u56de\u6536\u7684\u5bf9\u8c61&#xff0c;\u5728\u6807\u8bb0\u5b8c\u6210\u540e\u7edf\u2f00\u56de\u6536\u6240\u6709\u88ab\u6807\u8bb0\u7684\u5bf9\u8c61\u3002\u540e\u7eed\u7684\u6536\u96c6\u7b97\u6cd5\u90fd\u662f\u57fa\u4e8e\u8fd9\u79cd\u601d\u8def\u5e76\u5bf9\u5176\u4e0d\u2f9c\u52a0\u4ee5\u6539\u8fdb\u2f7d\u5df2\u3002<\/p>\n<p>&#034;\u6807\u8bb0-\u6e05\u9664&#034;\u7b97\u6cd5\u7684\u4e0d\u2f9c\u4e3b\u8981\u6709\u4e24\u4e2a :<\/p>\n<li>\u6548\u7387\u95ee\u9898&#xff1a;\u6807\u8bb0&#xff08;\u6807\u8bb0\u5c31\u662f\u53ef\u8fbe\u6027\u5206\u6790\u627e\u5230\u788e\u7247\u7684\u8fc7\u7a0b&#xff09;\u548c\u6e05\u9664&#xff08;\u76f4\u63a5\u91ca\u653e\u8fd9\u90e8\u5206\u7684\u5185\u5b58&#xff09;\u8fd9\u4e24\u4e2a\u8fc7\u7a0b\u7684\u6548\u7387\u90fd\u4e0d\u2fbc<\/li>\n<li>\u7a7a\u95f4\u95ee\u9898&#xff1a;\u6807\u8bb0\u6e05\u9664\u540e\u4f1a\u4ea7\u2f63\u2f24\u91cf\u4e0d\u8fde\u7eed\u7684\u5185\u5b58\u788e\u2f5a&#xff0c;\u7a7a\u95f4\u788e\u2f5a\u592a\u591a\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4ee5\u540e\u5728\u7a0b\u5e8f\u8fd0\u2f8f\u4e2d\u9700\u8981\u5206\u914d\u8f83\u2f24\u5bf9\u8c61\u65f6&#xff0c;\u2f46\u6cd5\u627e\u5230\u2f9c\u591f\u8fde\u7eed\u5185\u5b58\u2f7d\u4e0d\u5f97\u4e0d\u63d0\u524d\u89e6\u53d1\u53e6\u2f00\u6b21\u5783\u573e\u6536\u96c6\u3002<\/li>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250730104716-6889f8349fd28.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<li>&#x1f6a9;\u590d\u5236\u7b97\u6cd5<\/li>\n<p>&#034;\u590d\u5236&#034;\u7b97\u6cd5\u662f\u4e3a\u4e86\u89e3\u51b3&#034;\u6807\u8bb0-\u6e05\u7406&#034;\u7684\u6548\u7387\u95ee\u9898\u3002\u5b83\u5c06\u53ef\u2f64\u5185\u5b58\u6309\u5bb9\u91cf\u5212\u5206\u4e3a\u2f24\u2f29\u76f8\u7b49\u7684\u4e24\u5757&#xff0c;\u6bcf\u6b21\u53ea\u4f7f\u2f64\u5176\u4e2d\u7684\u2f00\u5757\u3002\u5f53\u8fd9\u5757\u5185\u5b58\u9700\u8981\u8fdb\u2f8f\u5783\u573e\u56de\u6536\u65f6&#xff0c;\u4f1a\u5c06\u6b64\u533a\u57df\u8fd8\u5b58\u6d3b\u7740\u7684\u5bf9\u8c61\u590d\u5236\u5230\u53e6\u2f00\u5757\u4e0a\u2faf&#xff0c;\u7136\u540e\u518d\u628a\u5df2\u7ecf\u4f7f\u2f64\u8fc7\u7684\u5185\u5b58\u533a\u57df\u2f00\u6b21\u6e05\u7406\u6389\u3002\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\u6bcf\u6b21\u90fd\u662f\u5bf9\u6574\u4e2a\u534a\u533a\u8fdb\u2f8f\u5185\u5b58\u56de\u6536&#xff0c;\u5185\u5b58\u5206\u914d\u65f6\u4e5f\u5c31\u4e0d\u9700\u8981\u8003\u8651\u5185\u5b58\u788e\u2f5a\u7b49\u590d\u6742\u60c5\u51b5&#xff0c;\u53ea\u9700\u8981\u79fb\u52a8\u5806\u9876\u6307\u9488&#xff0c;\u6309\u987a\u5e8f\u5206\u914d\u5373\u53ef\u3002\u6b64\u7b97\u6cd5\u5b9e\u73b0\u7b80\u5355&#xff0c;\u8fd0\u2f8f\u2fbc\u6548\u3002\u7b97\u6cd5\u7684\u6267\u2f8f\u6d41\u7a0b\u5982\u4e0b\u56fe : <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250730104717-6889f83527da8.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u590d\u5236\u7b97\u6cd5\u5f88\u597d\u7684\u89e3\u51b3\u4e86\u5185\u5b58\u788e\u7247\u95ee\u9898&#xff0c;\u4f46\u4ecd\u7136\u5b58\u5728\u4e24\u4e2a\u5f0a\u7aef&#xff1a;<\/p>\n<li>\u5185\u5b58\u6d6a\u8d39\u6bd4\u8f83\u591a<\/li>\n<li>\u5982\u679c\u5b58\u6d3b\u7684\u5bf9\u8c61\u6bd4\u8f83\u591a&#xff0c;\u590d\u5236\u7684\u5f00\u9500\u4f1a\u975e\u5e38\u5927<\/li>\n<li>&#x1f6a9;\u6807\u8bb0-\u6574\u7406\u7b97\u6cd5<\/li>\n<p>\u8fd9\u4e2a\u65b9\u6848\u7c7b\u4f3c\u4e8e\u987a\u5e8f\u8868\u5220\u9664\u5143\u7d20&#xff08;\u6211\u4eec\u4f1a\u91c7\u7528\u642c\u8fd0\u5143\u7d20\u7684\u65b9\u6cd5&#xff09;&#xff0c;\u8fd9\u4e2a\u65b9\u6848\u867d\u7136\u80fd\u89e3\u51b3\u5185\u5b58\u788e\u7247\u95ee\u9898&#xff0c;\u4e5f\u80fd\u907f\u514d\u590d\u5236\u7b97\u6cd5\u7684\u5185\u5b58\u6d6a\u8d39&#xff0c;\u4f46\u662f&#xff0c;\u642c\u8fd0\u5bf9\u8c61\u7684\u6210\u672c\u4e5f\u662f\u6bd4\u8f83\u9ad8\u7684\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250730104718-6889f83607d2a.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<li>&#x1f6a9;\u5206\u4ee3\u7b97\u6cd5<\/li>\n<p>\u5206\u4ee3\u7b97\u6cd5\u548c\u4e0a\u2faf\u8bb2\u7684 3 \u79cd\u7b97\u6cd5\u4e0d\u540c&#xff0c;\u5206\u4ee3\u7b97\u6cd5\u662f\u901a\u8fc7\u533a\u57df\u5212\u5206&#xff0c;\u5b9e\u73b0\u4e0d\u540c\u533a\u57df\u548c\u4e0d\u540c\u7684\u5783\u573e\u56de\u6536\u7b56\u7565&#xff0c;\u4ece\u2f7d\u5b9e\u73b0\u66f4\u597d\u7684\u5783\u573e\u56de\u6536\u3002\u8fd9\u5c31\u597d\u2f50\u4e2d\u56fd\u7684\u2f00\u56fd\u4e24\u5236\u2f45\u9488\u2f00\u6837&#xff0c;\u5bf9\u4e8e\u4e0d\u540c\u7684\u60c5\u51b5\u548c\u5730\u57df\u8bbe\u7f6e\u66f4\u7b26\u5408\u5f53\u5730\u7684\u89c4\u5219&#xff0c;\u4ece\u2f7d\u5b9e\u73b0\u66f4\u597d\u7684\u7ba1\u7406&#xff0c;\u8fd9\u5c31\u662f\u5206\u4ee3\u7b97\u6cd5\u7684\u8bbe\u8ba1\u601d\u60f3\u3002<\/p>\n<p>\u5f53\u524d JVM \u5783\u573e\u6536\u96c6\u90fd\u91c7\u2f64\u7684\u662f&#034;\u5206\u4ee3\u6536\u96c6(Generational 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: 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