{"id":72006,"date":"2024-02-20T15:02:08","date_gmt":"2024-02-20T07:02:08","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=72006"},"modified":"2024-02-20T15:08:38","modified_gmt":"2024-02-20T07:08:38","slug":"java%e4%b8%ba%e4%bb%80%e4%b9%88%e5%8c%bf%e5%90%8d%e5%86%85%e9%83%a8%e7%b1%bb%e7%9a%84%e5%8f%82%e6%95%b0%e5%bc%95%e7%94%a8%e6%97%b6final-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/72006.html","title":{"rendered":"java\u4e3a\u4ec0\u4e48\u533f\u540d\u5185\u90e8\u7c7b\u7684\u53c2\u6570\u5f15\u7528\u65f6final"},"content":{"rendered":"

\"java\u4e3a\u4ec0\u4e48\u533f\u540d\u5185\u90e8\u7c7b\u7684\u53c2\u6570\u5f15\u7528\u65f6final\"<\/p>\n

### JAVA\u4e3a\u4ec0\u4e48\u533f\u540d\u5185\u90e8\u7c7b\u7684\u53c2\u6570\u5f15\u7528\u65f6FINAL<\/strong><\/p>\n

\u5728Java\u4e2d\uff0c\u533f\u540d\u5185\u90e8\u7c7b\u5f15\u7528\u5916\u90e8\u65b9\u6cd5\u7684\u53c2\u6570\u65f6\uff0c\u8fd9\u4e9b\u53c2\u6570\u5fc5\u987b\u662ffinal\u7684<\/strong>\uff0c\u8fd9\u662f\u56e0\u4e3a\u533f\u540d\u5185\u90e8\u7c7b\u7684\u751f\u547d\u5468\u671f\u53ef\u80fd\u4f1a\u8d85\u8fc7\u65b9\u6cd5\u7684\u751f\u547d\u5468\u671f\u3002\u5f53\u65b9\u6cd5\u7ed3\u675f\u6267\u884c\u540e\uff0c\u5c40\u90e8\u53d8\u91cf\u4f1a\u968f\u4e4b\u6d88\u5931\uff0c\u4f46\u533f\u540d\u5185\u90e8\u7c7b\u7684\u5b9e\u4f8b\u53ef\u80fd\u8fd8\u4f1a\u5728\u67d0\u5904\u88ab\u4f7f\u7528\u3002\u4f7f\u7528final\u5173\u952e\u5b57\u53ef\u4ee5\u786e\u4fdd\u8fd9\u4e9b\u53d8\u91cf\u5728\u533f\u540d\u5185\u90e8\u7c7b\u4e2d\u88ab\u5b89\u5168\u5730\u4f7f\u7528<\/strong>\uff0c\u56e0\u4e3afinal\u53d8\u91cf\u5728\u7f16\u8bd1\u65f6\u5c31\u786e\u5b9a\u4e86\u5176\u503c\uff0c\u5e76\u4e14\u5728\u8fd0\u884c\u65f6\u4e0d\u4f1a\u6539\u53d8\u3002\u8fd9\u6837\uff0c\u5373\u4fbf\u65b9\u6cd5\u6267\u884c\u7ed3\u675f\uff0c\u533f\u540d\u5185\u90e8\u7c7b\u4ecd\u7136\u53ef\u4ee5\u8bbf\u95ee\u8fd9\u4e9b\u53d8\u91cf\u7684\u503c\uff0c\u56e0\u4e3a\u5b83\u4eec\u88ab\u590d\u5236\u5230\u4e86\u533f\u540d\u5185\u90e8\u7c7b\u7684\u5b9e\u4f8b\u4e2d\u3002<\/p>\n

\u8be6\u7ec6\u63cf\u8ff0<\/strong>\uff1a\u5c06\u53c2\u6570\u5b9a\u4e49\u4e3afinal\u7684\u4e00\u4e2a\u91cd\u8981\u539f\u56e0\u662f\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u7ebf\u7a0b\u5b89\u5168\u3002\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b\uff0c\u82e5\u533f\u540d\u5185\u90e8\u7c7b\u88ab\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u8bbf\u95ee\uff0c\u800c\u53c2\u6570\u503c\u53c8\u53ef\u4ee5\u6539\u53d8\uff0c\u5219\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\u3002\u901a\u8fc7\u5c06\u53c2\u6570\u8bbe\u4e3afinal\uff0c\u53ef\u4ee5\u786e\u4fdd\u5728\u533f\u540d\u5185\u90e8\u7c7b\u4e2d\u5f15\u7528\u7684\u6570\u636e\u5bf9\u6240\u6709\u7ebf\u7a0b\u6765\u8bf4\u90fd\u662f\u4e00\u81f4\u7684\uff0c\u4ece\u800c\u907f\u514d\u4e86\u6f5c\u5728\u7684\u5e76\u53d1\u95ee\u9898\u3002<\/p>\n

—<\/p>\n

### \u4e00\u3001JAVA\u533f\u540d\u5185\u90e8\u7c7b\u7684\u57fa\u672c\u6982\u5ff5<\/strong><\/p>\n

\u533f\u540d\u5185\u90e8\u7c7b<\/strong>\uff0c\u987e\u540d\u601d\u4e49\uff0c\u662f\u6ca1\u6709\u540d\u79f0\u7684\u5185\u90e8\u7c7b\uff0c\u5b83\u5141\u8bb8\u5f00\u53d1\u8005\u5728\u7f16\u5199\u4ee3\u7801\u65f6\u76f4\u63a5\u5b9a\u4e49\u5e76\u5b9e\u4f8b\u5316\u4e00\u4e2a\u7c7b\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u5b9e\u73b0\u63a5\u53e3\u6216\u7ee7\u627f\u67d0\u4e2a\u7c7b\u7684\u4e00\u6b21\u6027\u4f7f\u7528\u573a\u666f\u3002\u7531\u4e8e\u533f\u540d\u5185\u90e8\u7c7b\u6ca1\u6709\u7c7b\u540d\uff0c\u56e0\u6b64\u4e0d\u80fd\u6709\u6784\u9020\u51fd\u6570\u3002<\/p>\n

– \u4f7f\u7528\u573a\u666f<\/strong>\uff1a\u533f\u540d\u5185\u90e8\u7c7b\u901a\u5e38\u7528\u4e8e\u76d1\u542c\u5668\u7684\u5b9e\u73b0\u3001\u5728\u6846\u67b6\u4e2d\u56de\u8c03\u65b9\u6cd5\u7684\u7b80\u5316\u7f16\u5199\u7b49\u573a\u5408\u3002\u5b83\u4eec\u53ef\u4ee5\u8ba9\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\uff0c\u589e\u5f3a\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n

– \u751f\u547d\u5468\u671f<\/strong>\uff1a\u533f\u540d\u5185\u90e8\u7c7b\u7684\u751f\u547d\u5468\u671f\u5e76\u4e0d\u603b\u662f\u4e0e\u5176\u5305\u542b\u5b83\u7684\u5916\u90e8\u65b9\u6cd5\u540c\u6b65\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u533f\u540d\u5185\u90e8\u7c7b\u53ef\u80fd\u4f1a\u5728\u5176\u5916\u90e8\u65b9\u6cd5\u7ed3\u675f\u540e\u7ee7\u7eed\u5b58\u5728\uff0c\u5c24\u5176\u662f\u5f53\u5b83\u4eec\u88ab\u7528\u4f5c\u4e8b\u4ef6\u76d1\u542c\u5668\u6216\u56de\u8c03\u51fd\u6570\u65f6\u3002<\/p>\n

### \u4e8c\u3001\u4e3a\u4ec0\u4e48\u4f7f\u7528FINAL\u5173\u952e\u5b57<\/strong><\/p>\n

final\u5173\u952e\u5b57\u7684\u4f5c\u7528<\/strong>\uff1a\u5728Java\u4e2d\uff0cfinal\u5173\u952e\u5b57\u7528\u4e8e\u58f0\u660e\u5c5e\u6027\u3001\u65b9\u6cd5\u548c\u7c7b\uff0c\u4ee5\u8868\u793a\u5b83\u4eec\u4e0d\u80fd\u88ab\u66f4\u6539\uff08\u5bf9\u4e8e\u53d8\u91cf\u610f\u5473\u7740\u5b83\u4eec\u53ea\u80fd\u88ab\u8d4b\u503c\u4e00\u6b21\uff0c\u5bf9\u4e8e\u65b9\u6cd5\u548c\u7c7b\u610f\u5473\u7740\u4e0d\u80fd\u88ab\u91cd\u5199\u6216\u7ee7\u627f\uff09\u3002<\/p>\n

– \u6570\u636e\u4e00\u81f4\u6027<\/strong>\uff1a\u5f53\u4e00\u4e2a\u53d8\u91cf\u88ab\u58f0\u660e\u4e3afinal\u65f6\uff0c\u5b83\u53ef\u4ee5\u5b89\u5168\u5730\u88ab\u533f\u540d\u5185\u90e8\u7c7b\u5f15\u7528\uff0c\u786e\u4fdd\u5373\u4f7f\u5916\u90e8\u65b9\u6cd5\u7684\u6267\u884c\u5df2\u7ecf\u7ed3\u675f\uff0c\u8fd9\u4e9b\u53d8\u91cf\u7684\u503c\u4e5f\u4e0d\u4f1a\u6539\u53d8\uff0c\u4ece\u800c\u4fdd\u8bc1\u4e86\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002<\/p>\n

– \u7ebf\u7a0b\u5b89\u5168<\/strong>\uff1a\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\uff0c\u786e\u4fdd\u6570\u636e\u4e0d\u88ab\u610f\u5916\u4fee\u6539\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002final\u53d8\u91cf\u5728\u521d\u59cb\u5316\u540e\u5176\u503c\u5c31\u4e0d\u4f1a\u6539\u53d8\uff0c\u8fd9\u4e3a\u591a\u7ebf\u7a0b\u7a0b\u5e8f\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u800c\u6709\u6548\u7684\u65b9\u5f0f\u6765\u907f\u514d\u5e76\u53d1\u9519\u8bef\u3002<\/p>\n

### \u4e09\u3001\u7f16\u8bd1\u5668\u7684\u89d2\u8272<\/strong><\/p>\n

\u53d8\u91cf\u7684\u5904\u7406<\/strong>\uff1a\u7f16\u8bd1\u5668\u5728\u5904\u7406\u533f\u540d\u5185\u90e8\u7c7b\u65f6\uff0c\u4f1a\u5c06final\u53d8\u91cf\u4f5c\u4e3a\u5176\u5b9e\u4f8b\u7684\u4e00\u90e8\u5206\u3002\u8fd9\u610f\u5473\u7740\uff0c\u5f53\u5916\u90e8\u65b9\u6cd5\u7684\u5c40\u90e8\u53d8\u91cf\u88ab\u533f\u540d\u5185\u90e8\u7c7b\u5f15\u7528\u65f6\uff0c\u5b9e\u9645\u4e0a\u662f\u5c06\u8fd9\u4e9b\u53d8\u91cf\u7684\u526f\u672c\u4f20\u9012\u7ed9\u4e86\u533f\u540d\u5185\u90e8\u7c7b\u3002<\/p>\n

– \u5185\u90e8\u5de5\u4f5c\u673a\u5236<\/strong>\uff1a\u7f16\u8bd1\u5668\u5728\u540e\u53f0\u5904\u7406\u8fd9\u4e9b\u7ec6\u8282\uff0c\u5f00\u53d1\u8005\u901a\u5e38\u4e0d\u9700\u8981\u5173\u5fc3\u8fd9\u4e2a\u8fc7\u7a0b\u3002\u4f46\u4e86\u89e3\u8fd9\u4e00\u673a\u5236\u6709\u52a9\u4e8e\u7406\u89e3\u4e3a\u4f55final\u53d8\u91cf\u53ef\u4ee5\u5728\u533f\u540d\u5185\u90e8\u7c7b\u4e2d\u88ab\u5b89\u5168\u4f7f\u7528\u3002<\/p>\n

– \u4f18\u5316\u548c\u9650\u5236<\/strong>\uff1a\u8fd9\u79cd\u673a\u5236\u540c\u65f6\u4e5f\u5e26\u6765\u4e86\u67d0\u4e9b\u9650\u5236\uff0c\u6bd4\u5982\u4e0d\u80fd\u5728\u533f\u540d\u5185\u90e8\u7c7b\u4e2d\u4fee\u6539\u8fd9\u4e9b\u53d8\u91cf\u7684\u503c\u3002\u4f46\u8fd9\u79cd\u9650\u5236\u5b9e\u9645\u4e0a\u6709\u52a9\u4e8e\u4fdd\u6301\u4ee3\u7801\u7684\u6e05\u6670\u548c\u6b63\u786e\u6027\u3002<\/p>\n

### \u56db\u3001\u5b9e\u9645\u5e94\u7528\u793a\u4f8b<\/strong><\/p>\n

\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u533f\u540d\u5185\u90e8\u7c7b\u4ee5\u53cafinal\u53d8\u91cf\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u7684\u5e94\u7528\u3002<\/p>\n

– \u4e8b\u4ef6\u76d1\u542c\u5668\u793a\u4f8b<\/strong>\uff1a\u5728GUI\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u7ecf\u5e38\u4f7f\u7528\u533f\u540d\u5185\u90e8\u7c7b\u6765\u5b9e\u73b0\u6309\u94ae\u70b9\u51fb\u7b49\u4e8b\u4ef6\u7684\u76d1\u542c\u5668\u3002<\/p>\n

– \u56de\u8c03\u65b9\u6cd5\u7684\u5b9e\u73b0<\/strong>\uff1a\u5728\u5f02\u6b65\u7f16\u7a0b\u6a21\u5f0f\u4e2d\uff0c\u533f\u540d\u5185\u90e8\u7c7b\u5e38\u7528\u4e8e\u5b9e\u73b0\u56de\u8c03\u63a5\u53e3\uff0c\u4ee5\u5904\u7406\u5f02\u6b65\u64cd\u4f5c\u7684\u7ed3\u679c\u3002<\/p>\n

### \u603b\u7ed3<\/strong><\/p>\n

Java\u4e2d\u533f\u540d\u5185\u90e8\u7c7b\u5bf9\u65b9\u6cd5\u53c2\u6570\u7684final\u8981\u6c42\u786e\u4fdd\u4e86\u4ee3\u7801\u7684\u5b89\u5168\u6027\u548c\u4e00\u81f4\u6027\u3002\u901a\u8fc7\u9650\u5236\u5bf9\u5916\u90e8\u53d8\u91cf\u7684\u4fee\u6539\uff0cJava\u5728\u8bbe\u8ba1\u4e0a\u907f\u514d\u4e86\u6f5c\u5728\u7684\u5e76\u53d1\u95ee\u9898\uff0c\u540c\u65f6\u4e5f\u4fc3\u8fdb\u4e86\u4ee3\u7801\u7684\u7b80\u6d01\u548c\u6613\u4e8e\u7ef4\u62a4\u3002\u4e86\u89e3\u8fd9\u4e00\u673a\u5236\u5bf9\u4e8e\u7f16\u5199\u9ad8\u8d28\u91cf\u7684Java\u4ee3\u7801\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n

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

\u4e3a\u4ec0\u4e48\u5728Java\u4e2d\u533f\u540d\u5185\u90e8\u7c7b\u4e2d\u5f15\u7528\u5916\u90e8\u53c2\u6570\u65f6\u9700\u8981\u5c06\u5176\u58f0\u660e\u4e3afinal\uff1f<\/strong><\/p>\n

\u5728Java\u4e2d\uff0c\u533f\u540d\u5185\u90e8\u7c7b\u8bbf\u95ee\u5916\u90e8\u7c7b\u7684\u5c40\u90e8\u53d8\u91cf\u65f6\uff0c\u5fc5\u987b\u5c06\u8be5\u53d8\u91cf\u58f0\u660e\u4e3afinal\u3002\u8fd9\u662f\u56e0\u4e3aJava\u4e2d\u7684\u533f\u540d\u5185\u90e8\u7c7b\u5728\u7f16\u8bd1\u65f6\u4f1a\u521b\u5efa\u4e00\u4e2a\u526f\u672c\u7684\u5c40\u90e8\u53d8\u91cf\u7684\u5b9e\u4f8b\uff0c\u5e76\u4e14\u8be5\u526f\u672c\u662f\u5728\u533f\u540d\u5185\u90e8\u7c7b\u4e2d\u8bbf\u95ee\u7684\u3002\u5982\u679c\u4e0d\u5c06\u5c40\u90e8\u53d8\u91cf\u58f0\u660e\u4e3afinal\uff0c\u5c31\u6709\u53ef\u80fd\u5bfc\u81f4\u5728\u533f\u540d\u5185\u90e8\u7c7b\u8bbf\u95ee\u65f6\u8be5\u53d8\u91cf\u7684\u503c\u88ab\u4fee\u6539\uff0c\u8fd9\u4f1a\u7834\u574f\u533f\u540d\u5185\u90e8\u7c7b\u7684\u5c01\u95ed\u6027\u3002<\/p>\n

\u90a3\u4e48\uff0c\u4e3a\u4ec0\u4e48Java\u8981\u6c42\u5728\u533f\u540d\u5185\u90e8\u7c7b\u4e2d\u5f15\u7528\u5916\u90e8\u53c2\u6570\u65f6\u662ffinal\u7684\u5462\uff1f<\/strong><\/p>\n

\u901a\u8fc7\u5c06\u5916\u90e8\u53c2\u6570\u58f0\u660e\u4e3afinal\uff0c\u53ef\u4ee5\u786e\u4fdd\u5728\u533f\u540d\u5185\u90e8\u7c7b\u4e2d\u53ea\u80fd\u8bfb\u53d6\u5916\u90e8\u53c2\u6570\u7684\u503c\uff0c\u800c\u4e0d\u80fd\u4fee\u6539\u3002\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u6f5c\u5728\u7684\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\u548c\u6df7\u6dc6\uff0c\u786e\u4fdd\u4ee3\u7801\u7684\u53ef\u9760\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n

\u9664\u4e86\u4f7f\u7528final\u5173\u952e\u5b57\uff0c\u6709\u6ca1\u6709\u5176\u4ed6\u7684\u65b9\u6cd5\u6765\u89e3\u51b3\u533f\u540d\u5185\u90e8\u7c7b\u5f15\u7528\u5916\u90e8\u53c2\u6570\u7684\u95ee\u9898\uff1f<\/strong><\/p>\n

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