{"id":134328,"date":"2024-04-28T11:53:50","date_gmt":"2024-04-28T03:53:50","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/134328.html"},"modified":"2024-04-28T11:53:52","modified_gmt":"2024-04-28T03:53:52","slug":"java%e5%9f%ba%e4%ba%8ec%e8%af%ad%e8%a8%80%e5%90%97","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/134328.html","title":{"rendered":"java\u57fa\u4e8ec\u8bed\u8a00\u5417"},"content":{"rendered":"

\"java\u57fa\u4e8ec\u8bed\u8a00\u5417\"<\/p>\n

Java\u5e76\u4e0d\u76f4\u63a5\u57fa\u4e8eC\u8bed\u8a00\uff0c\u5b83\u662f\u4e00\u79cd\u72ec\u7acb\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u4f46\u4ece\u8bbe\u8ba1\u54f2\u5b66\u4e0a\u5438\u6536\u4e86C\u8bed\u8a00\u7684\u4e00\u4e9b\u7279\u70b9\u3002\u5177\u4f53\u800c\u8a00\uff0cJava\u8bed\u8a00\u7684\u8bed\u6cd5\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u53d7\u5230\u4e86C\u8bed\u8a00\u7684\u5f71\u54cd<\/strong>\u3001Java\u5728\u8bbe\u8ba1\u4e0a\u8ffd\u6c42\u7b80\u6d01\u6027\u4e14\u53bb\u9664\u4e86C\u8bed\u8a00\u4e2d\u7684\u6307\u9488\u64cd\u4f5c\u3001\u76f4\u63a5\u5185\u5b58\u7ba1\u7406\u7b49\u5bb9\u6613\u5f15\u8d77\u9519\u8bef\u7684\u7279\u6027\u3001\u540c\u65f6\u5f15\u5165\u4e86\u9762\u5411\u5bf9\u8c61\u7684\u7f16\u7a0b\u8303\u5f0f\uff0c\u589e\u5f3a\u4e86\u4ee3\u7801\u7684\u53ef\u91cd\u7528\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u5176\u4e2d\uff0cJava\u8bed\u8a00\u7684\u7b80\u6d01\u8bbe\u8ba1<\/strong>\u662f\u5b83\u5bf9\u521d\u5b66\u8005\u53cb\u597d\u7684\u4e00\u5927\u539f\u56e0\u3002<\/p>\n<\/p>\n

\u4e00\u3001 JAVA\u4e0eC\u8bed\u8a00\u7684\u5171\u540c\u70b9\u4e0e\u533a\u522b<\/h3>\n<\/p>\n

\u5171\u540c\u70b9\uff1a<\/h4>\n<\/p>\n

Java\u4e0eC\u8bed\u8a00\u5728\u8bed\u6cd5\u4e0a\u6709\u8bf8\u591a\u76f8\u4f3c\u4e4b\u5904\u3002\u4f8b\u5982\uff0c\u5b83\u4eec\u7684\u57fa\u672c\u64cd\u4f5c\u7b26\u3001\u63a7\u5236\u6d41\u7a0b\u8bed\u53e5\uff08\u5982if-else\u3001switch\u3001for\u5faa\u73af\u7b49\uff09\u5728\u5f62\u5f0f\u4e0a\u975e\u5e38\u63a5\u8fd1\u3002\u8fd9\u4f7f\u5f97\u719f\u6089C\u8bed\u8a00\u7684\u5f00\u53d1\u8005\u5728\u521d\u5b66Java\u65f6\u76f8\u5bf9\u5bb9\u6613\u4e9b\u3002<\/p>\n<\/p>\n

\u533a\u522b\uff1a<\/h4>\n<\/p>\n

\u7136\u800c\uff0cJava\u5728\u8fd0\u884c\u65f6\u73af\u5883\u4e0e\u5185\u5b58\u7ba1\u7406\u673a\u5236\u4e0a\u4e0eC\u8bed\u8a00\u663e\u8457\u4e0d\u540c\u3002Java\u5f15\u5165\u4e86\u5783\u573e\u6536\u96c6\u673a\u5236\u6765\u81ea\u52a8\u7ba1\u7406\u5185\u5b58\uff0c\u907f\u514d\u4e86\u5185\u5b58\u6cc4\u9732\u548c\u6307\u9488\u9519\u8bef\u7b49\u95ee\u9898\u3002\u6b64\u5916\uff0cJava\u7a0b\u5e8f\u8fd0\u884c\u5728\u865a\u62df\u673a\uff08JVM\uff09\u4e0a\uff0c\u5b9e\u73b0\u4e86\u5e73\u53f0\u65e0\u5173\u6027\uff0c\u5373\u6240\u8c13\u7684\u201c\u4e00\u6b21\u7f16\u5199\uff0c\u5230\u5904\u8fd0\u884c\u201d\u3002<\/p>\n<\/p>\n

\u4e8c\u3001 JAVA\u7684\u8bed\u6cd5\u8bbe\u8ba1\u54f2\u5b66<\/h3>\n<\/p>\n

\u7b80\u4ecb\uff1a<\/h4>\n<\/p>\n

Java\u7684\u8bbe\u8ba1\u54f2\u5b66\u91cd\u5728\u53ef\u8bfb\u6027\u548c\u7b80\u6d01\u6027\u3002Java\u53bb\u9664\u4e86C\u8bed\u8a00\u4e2d\u7684\u5b8f\u5b9a\u4e49\u548c\u6307\u9488\u7b49\u590d\u6742\u7279\u6027\uff0c\u4f7f\u5f97Java\u4ee3\u7801\u66f4\u6613\u4e8e\u7406\u89e3\u548c\u7ef4\u62a4\u3002<\/p>\n<\/p>\n

\u8be6\u7ec6\u63cf\u8ff0\uff1a<\/h4>\n<\/p>\n

\u5728\u9762\u5411\u5bf9\u8c61\u65b9\u9762\uff0cJava\u91c7\u7528\u4e86\u7c7b\uff08Class\uff09\u548c\u5bf9\u8c61\uff08Object\uff09\u7684\u6982\u5ff5\uff0c\u5f3a\u5316\u4e86\u6570\u636e\u5c01\u88c5\u3001\u7ee7\u627f\u548c\u591a\u6001\u6027\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u901a\u8fc7\u7ee7\u627f\u548c\u63a5\u53e3\u6765\u8bbe\u8ba1\u548c\u5b9e\u73b0\u590d\u6742\u7684\u7cfb\u7edf\u7ed3\u6784\uff0c\u8fd9\u4e5f\u662fJava\u8bed\u8a00\u589e\u5f3a\u4ee3\u7801\u590d\u7528\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u7684\u91cd\u8981\u65b9\u5f0f\u3002<\/p>\n<\/p>\n

\u4e09\u3001 JAVA\u7684\u5185\u5b58\u7ba1\u7406\u673a\u5236<\/h3>\n<\/p>\n

\u5783\u573e\u6536\u96c6\uff08GC\uff09\uff1a<\/h4>\n<\/p>\n

Java\u901a\u8fc7\u5783\u573e\u6536\u96c6\u673a\u5236\u81ea\u52a8\u56de\u6536\u4e0d\u518d\u4f7f\u7528\u7684\u5185\u5b58\uff0c\u964d\u4f4e\u4e86\u5185\u5b58\u6cc4\u9732\u7684\u98ce\u9669\u3002\u8fd9\u662fJava\u76f8\u5bf9\u4e8eC\u8bed\u8a00\u7684\u4e00\u4e2a\u663e\u8457\u6539\u8fdb\uff0c\u4f7f\u5f97Java\u7a0b\u5e8f\u5458\u80fd\u66f4\u4e13\u6ce8\u4e8e\u4e1a\u52a1\u903b\u8f91\u800c\u975e\u5185\u5b58\u7ba1\u7406\u3002<\/p>\n<\/p>\n

\u5185\u5b58\u6a21\u578b\uff1a<\/h4>\n<\/p>\n

Java\u865a\u62df\u673a\uff08JVM\uff09\u7684\u5185\u5b58\u6a21\u578b\u89c4\u5b9a\u4e86Java\u5728\u8fd0\u884c\u671f\u95f4\u7684\u5185\u5b58\u5212\u5206\uff0c\u5982\u5806\uff08Heap\uff09\u3001\u6808\uff08Stack\uff09\u3001\u65b9\u6cd5\u533a\u7b49\uff0c\u6bcf\u4e00\u90e8\u5206\u90fd\u6709\u5176\u7279\u5b9a\u529f\u80fd\u548c\u7ba1\u7406\u65b9\u5f0f\u3002<\/p>\n<\/p>\n

\u56db\u3001 JAVA\u7684\u8de8\u5e73\u53f0\u6027<\/h3>\n<\/p>\n

\u865a\u62df\u673a\uff08JVM\uff09\uff1a<\/h4>\n<\/p>\n

Java\u7684\u8de8\u5e73\u53f0\u6027\u4e3b\u8981\u5f97\u76ca\u4e8eJava\u865a\u62df\u673a\uff08JVM\uff09\u3002JVM\u5141\u8bb8Java\u5e94\u7528\u5728\u4efb\u4f55\u5b89\u88c5\u4e86\u76f8\u5e94JVM\u7684\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c\uff0c\u5b9e\u73b0\u4e86\u771f\u6b63\u610f\u4e49\u4e0a\u7684\u201c\u4e00\u6b21\u7f16\u5199\uff0c\u5230\u5904\u8fd0\u884c\u201d\u3002<\/p>\n<\/p>\n

\u5b9e\u73b0\u673a\u5236\uff1a<\/h4>\n<\/p>\n

\u901a\u8fc7\u5c06Java\u6e90\u7801\u7f16\u8bd1\u6210\u4e0e\u5e73\u53f0\u65e0\u5173\u7684\u5b57\u8282\u7801\uff08.class\u6587\u4ef6\uff09\uff0c\u7136\u540e\u7531JVM\u5728\u8fd0\u884c\u65f6\u5c06\u5b57\u8282\u7801\u8f6c\u6362\u6210\u7279\u5b9a\u5e73\u53f0\u7684\u673a\u5668\u7801\u6267\u884c\uff0c\u4f7f\u5f97Java\u5e94\u7528\u80fd\u5728\u591a\u79cd\u786c\u4ef6\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u5e73\u53f0\u4e0a\u8fd0\u884c\u800c\u65e0\u9700\u4fee\u6539\u4ee3\u7801\u3002<\/p>\n<\/p>\n

\u4e94\u3001 JAVA\u7684\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b<\/h3>\n<\/p>\n

\u7c7b\u548c\u5bf9\u8c61\uff1a<\/h4>\n<\/p>\n

Java\u901a\u8fc7\u7c7b\u548c\u5bf9\u8c61\u7684\u6982\u5ff5\u5b9e\u73b0\u4e86\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff08OOP\uff09\u3002\u7c7b\u5b9a\u4e49\u4e86\u5bf9\u8c61\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u800c\u5bf9\u8c61\u662f\u7c7b\u7684\u5b9e\u4f8b\u3002\u8fd9\u79cd\u65b9\u5f0f\u6781\u5927\u5730\u589e\u5f3a\u4e86\u7a0b\u5e8f\u7684\u6a21\u5757\u5316\u548c\u53ef\u91cd\u7528\u6027\u3002<\/p>\n<\/p>\n

\u5c01\u88c5\u3001\u7ee7\u627f\u3001\u591a\u6001\uff1a<\/h4>\n<\/p>\n

Java\u9762\u5411\u5bf9\u8c61\u7684\u4e09\u5927\u7279\u6027\u2014\u2014\u5c01\u88c5\u3001\u7ee7\u627f\u548c\u591a\u6001\uff0c\u662fJava\u8bed\u8a00\u7ec4\u7ec7\u548c\u8bbe\u8ba1\u8f6f\u4ef6\u7684\u57fa\u77f3\u3002\u5b83\u4eec\u5171\u540c\u4f5c\u7528\uff0c\u4f7fJava\u5e94\u7528\u66f4\u52a0\u5065\u58ee\u3001\u6613\u4e8e\u7ef4\u62a4\u548c\u6269\u5c55\u3002<\/p>\n<\/p>\n

Java\u867d\u7136\u5728\u5f88\u591a\u8bed\u6cd5\u7279\u6027\u4e0a\u53d7\u5230\u4e86C\u8bed\u8a00\u7684\u5f71\u54cd\uff0c\u4f46\u901a\u8fc7\u5f15\u5165\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u3001\u81ea\u52a8\u5185\u5b58\u7ba1\u7406\u7b49\u73b0\u4ee3\u7f16\u7a0b\u8bed\u8a00\u7279\u6027\uff0c\u6210\u4e3a\u4e86\u4e00\u4e2a\u66f4\u5b89\u5168\u3001\u66f4\u6613\u4e8e\u5b66\u4e60\u548c\u4f7f\u7528\u7684\u7f16\u7a0b\u8bed\u8a00\u3002Java\u7684\u8bbe\u8ba1\u54f2\u5b66\u3001\u5185\u5b58\u7ba1\u7406\u673a\u5236\u53ca\u5176\u8de8\u5e73\u53f0\u80fd\u529b\u7b49\u7279\u70b9\uff0c\u4f7f\u5f97\u5b83\u6210\u4e3a\u73b0\u4ee3\u8f6f\u4ef6\u5f00\u53d1\u4e2d\u5907\u53d7\u6b22\u8fce\u7684\u8bed\u8a00\u4e4b\u4e00\u3002<\/p>\n<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

1. Java\u662f\u57fa\u4e8eC\u8bed\u8a00\u53d1\u5c55\u800c\u6765\u7684\u5417\uff1f<\/strong><\/p>\n

Java\u5e76\u4e0d\u662f\u4e25\u683c\u610f\u4e49\u4e0a\u57fa\u4e8eC\u8bed\u8a00\u53d1\u5c55\u800c\u6765\u7684\uff0c\u5b83\u662f\u7531Sun Microsystems\uff08\u540e\u88abOracle\u6536\u8d2d\uff09\u4e8e1995\u5e74\u5f00\u53d1\u7684\u4e00\u79cd\u72ec\u7acb\u7684\u7f16\u7a0b\u8bed\u8a00\u3002\u7136\u800c\uff0cJava\u5728\u8bed\u6cd5\u548c\u8bed\u4e49\u4e0a\u501f\u9274\u4e86C\u8bed\u8a00\uff0c\u5e76\u4e14C\u8bed\u8a00\u7684\u5f00\u53d1\u7ecf\u9a8c\u5bf9Java\u7684\u8bbe\u8ba1\u6709\u4e00\u5b9a\u7684\u5f71\u54cd\u3002<\/p>\n

2. \u4e3a\u4ec0\u4e48\u8bf4Java\u53ef\u4ee5\u4e0eC\u8bed\u8a00\u4e92\u64cd\u4f5c\uff1f<\/strong><\/p>\n

Java\u4e0eC\u8bed\u8a00\u4e4b\u95f4\u53ef\u4ee5\u76f8\u4e92\u64cd\u4f5c\uff0c\u8fd9\u662f\u56e0\u4e3aJava\u63d0\u4f9b\u4e86\u5bf9C\u8bed\u8a00\u7684\u63a5\u53e3\uff08JNI\uff0cJava Native Interface\uff09\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u8c03\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u7a0b\u5e8f\u5e93\u3002\u8fd9\u6837\uff0cJava\u7a0b\u5e8f\u5c31\u80fd\u591f\u4e0eC\u8bed\u8a00\u7f16\u5199\u7684\u5e95\u5c42\u7cfb\u7edf\u8fdb\u884c\u4ea4\u4e92\uff0c\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u4e86\u66f4\u5927\u7684\u7075\u6d3b\u6027\u548c\u6269\u5c55\u6027\u3002<\/p>\n

3. Java\u4e0eC\u8bed\u8a00\u76f8\u6bd4\uff0c\u6709\u54ea\u4e9b\u4f18\u52bf\u548c\u5dee\u5f02\uff1f<\/strong><\/p>\n

\u5c3d\u7ba1Java\u548cC\u8bed\u8a00\u4e4b\u95f4\u6709\u4e00\u4e9b\u76f8\u4f3c\u4e4b\u5904\uff0c\u4f46\u5b83\u4eec\u4e5f\u5b58\u5728\u4e00\u4e9b\u91cd\u8981\u7684\u533a\u522b\u548c\u4f18\u52bf\u3002\u76f8\u6bd4\u4e8eC\u8bed\u8a00\uff0cJava\u5177\u6709\u66f4\u9ad8\u7684\u62bd\u8c61\u6027\u548c\u9762\u5411\u5bf9\u8c61\u7684\u7279\u6027\uff0c\u5176\u62e5\u6709\u5783\u573e\u56de\u6536\u673a\u5236\u3001\u81ea\u52a8\u5185\u5b58\u7ba1\u7406\u7b49\u7279\u6027\uff0c\u51cf\u5c11\u4e86\u51fa\u9519\u7684\u53ef\u80fd\u6027\u3002\u53e6\u5916\uff0cJava\u662f\u4e00\u79cd\u4e0e\u5e73\u53f0\u65e0\u5173\u7684\u8bed\u8a00\uff0c\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c\uff0c\u800cC\u8bed\u8a00\u5219\u9700\u8981\u5728\u4e0d\u540c\u5e73\u53f0\u4e0b\u8fdb\u884c\u7f16\u8bd1\u3002\u8fd9\u4f7f\u5f97Java\u66f4\u6613\u4e8e\u5f00\u53d1\u3001\u6d4b\u8bd5\u548c\u90e8\u7f72\uff0c\u5e76\u4e14\u66f4\u52a0\u9002\u5408\u5927\u578b\u9879\u76ee\u7684\u5f00\u53d1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Java\u5e76\u4e0d\u76f4\u63a5\u57fa\u4e8eC\u8bed\u8a00\uff0c\u5b83\u662f\u4e00\u79cd\u72ec\u7acb\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u4f46\u4ece\u8bbe\u8ba1\u54f2\u5b66\u4e0a\u5438\u6536\u4e86C\u8bed\u8a00\u7684\u4e00\u4e9b\u7279\u70b9\u3002\u5177\u4f53\u800c\u8a00\uff0cJava\u8bed […]","protected":false},"author":3,"featured_media":134331,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/134328"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=134328"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/134328\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/134331"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=134328"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=134328"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=134328"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}