{"id":300607,"date":"2024-05-20T17:47:16","date_gmt":"2024-05-20T09:47:16","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/300607.html"},"modified":"2024-05-20T17:47:21","modified_gmt":"2024-05-20T09:47:21","slug":"%e5%a6%82%e4%bd%95%e8%a7%a3%e8%af%bb-java-%e6%8a%bd%e8%b1%a1%e7%b1%bb%e7%9a%84%e4%bd%9c%e7%94%a8%e5%92%8c%e6%84%8f%e4%b9%89","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/300607.html","title":{"rendered":"\u5982\u4f55\u89e3\u8bfb java \u62bd\u8c61\u7c7b\u7684\u4f5c\u7528\u548c\u610f\u4e49"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/26212824\/371c02a6-4540-47dc-a2eb-67d59f024971.webp\" alt=\"\u5982\u4f55\u89e3\u8bfb java \u62bd\u8c61\u7c7b\u7684\u4f5c\u7528\u548c\u610f\u4e49\" \/><\/p>\n<p><h3>\u4e00\u3001\u62bd\u8c61\u7c7b\u7684\u57fa\u672c\u6982\u5ff5<\/h3>\n<\/p>\n<p><p>\u5728Java\u4e2d\uff0c\u62bd\u8c61\u7c7b\uff08Abstract Class\uff09\u662f\u4f7f\u7528<code>abstract<\/code>\u5173\u952e\u5b57\u58f0\u660e\u7684\u4e00\u4e2a\u7279\u6b8a\u7c7b\u3002\u5b83\u4e3b\u8981\u7528\u4e8e\u8868\u8fbe\u7c7b\u7684\u8bbe\u8ba1\u7406\u5ff5\u548c\u57fa\u672c\u529f\u80fd\uff0c\u800c\u4e0d\u5b8c\u5168\u7528\u4e8e\u63cf\u7ed8\u7c7b\u7684\u6bcf\u4e00\u4e2a\u884c\u4e3a\u3002\u62bd\u8c61\u7c7b\u4e0d\u80fd\u76f4\u63a5\u5b9e\u4f8b\u5316\uff0c\u5b83\u7684\u4e3b\u8981\u76ee\u7684\u662f\u88ab\u5176\u4ed6\u7c7b\u7ee7\u627f\u3002<strong>\u62bd\u8c61\u7c7b\u901a\u5e38\u5305\u542b\u62bd\u8c61\u65b9\u6cd5<\/strong>\uff0c\u8fd9\u4e9b\u65b9\u6cd5\u6ca1\u6709\u5177\u4f53\u7684\u5b9e\u73b0\uff0c\u5fc5\u987b\u7531\u5b50\u7c7b\u63d0\u4f9b\u5177\u4f53\u7684\u884c\u4e3a\u3002<\/p>\n<\/p>\n<p><h4>\u62bd\u8c61\u65b9\u6cd5\u7684\u5b9a\u4e49<\/h4>\n<\/p>\n<p><p>\u62bd\u8c61\u65b9\u6cd5\u662f\u62bd\u8c61\u7c7b\u4e2d\u7684\u4e00\u4e2a\u5173\u952e\u7279\u6027\u3002\u5b83\u4eec\u4f7f\u7528<code>abstract<\/code>\u5173\u952e\u5b57\u5b9a\u4e49\uff0c\u4e14\u4ec5\u6709\u58f0\u660e\u800c\u65e0\u5b9e\u73b0\u3002\u4efb\u4f55\u7ee7\u627f\u62bd\u8c61\u7c7b\u7684\u5177\u4f53\u7c7b\u90fd\u5fc5\u987b\u5b9e\u73b0\u8fd9\u4e9b\u62bd\u8c61\u65b9\u6cd5\uff0c\u9664\u975e\u8be5\u7c7b\u81ea\u8eab\u4e5f\u88ab\u58f0\u660e\u4e3a\u62bd\u8c61\u7c7b\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u62bd\u8c61\u7c7b\u7684\u4f5c\u7528<\/h3>\n<\/p>\n<p><p><strong>\u6784\u5efa\u6846\u67b6\u548c\u8bbe\u8ba1\u6a21\u5f0f<\/strong>\uff1a\u62bd\u8c61\u7c7b\u5728\u8bbe\u8ba1\u6a21\u5f0f\u4e2d\u626e\u6f14\u7740\u6846\u67b6\u642d\u5efa\u8005\u7684\u89d2\u8272\u3002\u5b83\u5141\u8bb8\u8bbe\u8ba1\u8005\u786e\u5b9a\u4e00\u4e2a\u901a\u7528\u7684\u7ed3\u6784\uff0c\u540c\u65f6\u7559\u51fa\u63a5\u53e3\u7ed9\u5b50\u7c7b\u5b9e\u73b0\u5177\u4f53\u529f\u80fd\uff0c\u8fd9\u79cd\u65b9\u5f0f\u4e3a\u4ee3\u7801\u7684\u53ef\u6269\u5c55\u6027\u548c\u7075\u6d3b\u6027\u5960\u5b9a\u4e86\u57fa\u7840\u3002<\/p>\n<\/p>\n<p><h4>\u63d0\u4f9b\u7edf\u4e00\u884c\u4e3a\u7684\u6a21\u677f<\/h4>\n<\/p>\n<p><p>\u62bd\u8c61\u7c7b\u6700\u5927\u7684\u4f5c\u7528\u4e4b\u4e00\u662f\u63d0\u4f9b\u4e86\u4e00\u4e2a\u901a\u7528\u7684\u64cd\u4f5c\u6a21\u677f\u3002\u901a\u8fc7\u62bd\u8c61\u65b9\u6cd5\u7684\u5b9a\u4e49\uff0c\u5b83\u53ef\u4ee5\u5f3a\u5236\u8981\u6c42\u5b50\u7c7b\u5b9e\u73b0\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u4ece\u800c\u786e\u4fdd\u4e86\u6240\u6709\u7684\u5b50\u7c7b\u90fd\u6709\u4e00\u81f4\u7684\u63a5\u53e3\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u62bd\u8c61\u7c7b\u7684\u610f\u4e49<\/h3>\n<\/p>\n<p><p><strong>\u786e\u4fdd\u5b50\u7c7b\u7ed3\u6784\u4e00\u81f4\u6027<\/strong>\uff1a\u62bd\u8c61\u7c7b\u901a\u8fc7\u9884\u5b9a\u4e49\u65b9\u6cd5\u7684\u7ed3\u6784\u4fdd\u8bc1\u4e86\u6240\u6709\u7ee7\u627f\u81ea\u8be5\u62bd\u8c61\u7c7b\u7684\u5b50\u7c7b\u90fd\u5c06\u9075\u5faa\u540c\u4e00\u5957\u6807\u51c6\u3002\u8fd9\u79cd\u5f3a\u5236\u6027\u7684\u5b9e\u73b0\u6807\u51c6\u5316\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u964d\u4f4e\u590d\u6742\u6027\u3002<\/p>\n<\/p>\n<p><h4>\u4fc3\u8fdb\u4ee3\u7801\u91cd\u7528<\/h4>\n<\/p>\n<p><p>\u62bd\u8c61\u7c7b\u662f\u4ee3\u7801\u91cd\u7528\u7684\u6709\u6548\u624b\u6bb5\u3002\u5bf9\u4e8e\u4e00\u4e9b\u5171\u540c\u7684\u529f\u80fd\u6216\u5c5e\u6027\uff0c\u901a\u8fc7\u5728\u62bd\u8c61\u7c7b\u4e2d\u5b9e\u73b0\uff0c\u53ef\u4ee5\u907f\u514d\u5728\u6bcf\u4e2a\u5b50\u7c7b\u4e2d\u91cd\u590d\u7f16\u5199\u76f8\u540c\u4ee3\u7801\uff0c\u8fd9\u6837\u4e0d\u4ec5\u51cf\u5c11\u4e86\u4ee3\u7801\u91cf\uff0c\u63d0\u9ad8\u4e86\u5f00\u53d1\u6548\u7387\uff0c\u540c\u65f6\u4e5f\u4f7f\u5f97\u7a0b\u5e8f\u66f4\u52a0\u6613\u4e8e\u7ba1\u7406\u548c\u6269\u5c55\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u62bd\u8c61\u7c7b\u4e0e\u63a5\u53e3\u7684\u533a\u522b<\/h3>\n<\/p>\n<p><p>\u867d\u7136\u62bd\u8c61\u7c7b\u548c\u63a5\u53e3\u5728Java\u4e2d\u90fd\u7528\u4e8e\u8bbe\u8ba1\u4e0d\u5b8c\u5168\u7684\u7c7b\u578b\uff0c\u7528\u4ee5\u88ab\u5176\u4ed6\u5177\u4f53\u7c7b\u7ee7\u627f\u6216\u5b9e\u73b0\uff0c\u5b83\u4eec\u4e4b\u95f4\u8fd8\u662f\u5b58\u5728\u663e\u8457\u5dee\u5f02\u7684\u3002<\/p>\n<\/p>\n<p><h4>\u8868\u8fbe\u591a\u6001\u6027\u8d28\u7684\u4e0d\u540c\u65b9\u5f0f<\/h4>\n<\/p>\n<p><p>\u62bd\u8c61\u7c7b\u901a\u5e38\u7528\u4e8e\u8868\u8fbe\u201c\u662f\u4e00\u4e2a\u201d\u7684\u5173\u7cfb\uff0c\u800c\u63a5\u53e3\u5219\u7528\u4e8e\u8868\u8fbe\u201c\u80fd\u505a\u4ec0\u4e48\u201d\u7684\u80fd\u529b\u3002\u62bd\u8c61\u7c7b\u8ba9\u7ee7\u627f\u7684\u5b50\u7c7b\u5fc5\u987b\u7b26\u5408\u4e00\u4e2a\u5171\u540c\u7684\u201c\u6a21\u677f\u201d\uff0c\u4f7f\u5f97\u7ed3\u6784\u7edf\u4e00\uff1b\u63a5\u53e3\u5219\u4e0d\u5173\u5fc3\u7c7b\u7684\u5185\u90e8\u7ed3\u6784\u5982\u4f55\uff0c\u53ea\u5f3a\u8c03\u5fc5\u987b\u63d0\u4f9b\u67d0\u4e9b\u529f\u80fd\u7684\u5b9e\u73b0\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u62bd\u8c61\u7c7b\u7684\u4f7f\u7528\u573a\u666f<\/h3>\n<\/p>\n<p><p><strong>\u8bbe\u8ba1\u5171\u4eab\u57fa\u7840\u529f\u80fd\u7684\u573a\u666f<\/strong>\uff1a\u5f53\u591a\u4e2a\u7c7b\u62e5\u6709\u5171\u540c\u7684\u65b9\u6cd5\u548c\u5c5e\u6027\uff0c\u800c\u4e14\u8fd9\u4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