{"id":295479,"date":"2024-05-20T15:36:54","date_gmt":"2024-05-20T07:36:54","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/295479.html"},"modified":"2024-05-20T15:37:07","modified_gmt":"2024-05-20T07:37:07","slug":"hashset-%e7%9a%84%e5%ae%9e%e7%8e%b0%e5%8e%9f%e7%90%86%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/295479.html","title":{"rendered":"HashSet \u7684\u5b9e\u73b0\u539f\u7406\u662f\u4ec0\u4e48"},"content":{"rendered":"

\"HashSet<\/p>\n

HashSet\u7684\u5b9e\u73b0\u539f\u7406\u4e3b\u8981\u57fa\u4e8e\u4e24\u4e2a\u6838\u5fc3\u6982\u5ff5\uff1a\u54c8\u5e0c\u8868\uff08HashMap\uff09\u548c\u552f\u4e00\u6027<\/strong>\u3002\u5b83\u4f7f\u7528\u54c8\u5e0c\u8868\u4f5c\u4e3a\u5185\u90e8\u5b58\u50a8\u7ed3\u6784\uff0c\u5229\u7528\u5bf9\u8c61\u7684hashCode\u65b9\u6cd5\u6765\u5b9a\u4f4d\u5bf9\u8c61\u5728\u54c8\u5e0c\u8868\u4e2d\u7684\u4f4d\u7f6e\uff0c\u4fdd\u8bc1\u4e86\u5143\u7d20\u7684\u552f\u4e00\u6027\u3002\u6bcf\u4e2a\u6dfb\u52a0\u5230HashSet\u4e2d\u7684\u5143\u7d20\u5b9e\u9645\u4e0a\u4f5c\u4e3aHashMap\u7684key\u5b58\u50a8\uff0c\u800cHashMap\u7684value\u5219\u7edf\u4e00\u4f7f\u7528\u4e00\u4e2a\u56fa\u5b9a\u7684\u5bf9\u8c61\u6807\u8bb0\u3002<\/p>\n<\/p>\n

\u8be6\u7ec6\u5c55\u5f00\u63cf\u8ff0\uff1a<\/strong> \u54c8\u5e0c\u8868\uff08HashMap\uff09\u662f\u4e00\u79cd\u5229\u7528\u54c8\u5e0c\u51fd\u6570\u6765\u8ba1\u7b97\u6570\u636e\u5b58\u50a8\u4f4d\u7f6e\u7684\u6570\u636e\u7ed3\u6784\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4f9d\u636e\u952e\u503c\uff08Key\uff09\u76f4\u63a5\u8fdb\u884c\u8bbf\u95ee\uff0c\u4ece\u800c\u6781\u5927\u5730\u63d0\u9ad8\u4e86\u67e5\u627e\u901f\u5ea6\u3002\u5728HashSet\u4e2d\uff0c\u5f53\u6dfb\u52a0\u4e00\u4e2a\u5143\u7d20\u65f6\uff0c\u4f1a\u9996\u5148\u8ba1\u7b97\u5143\u7d20\u7684hashCode\u503c\uff0c\u8fd9\u4e2a\u503c\u51b3\u5b9a\u4e86\u8be5\u5143\u7d20\u5728\u54c8\u5e0c\u8868\u4e2d\u7684\u5b58\u50a8\u4f4d\u7f6e\u3002\u5982\u679c\u8be5\u4f4d\u7f6e\u5c1a\u672a\u88ab\u5360\u7528\uff0c\u5143\u7d20\u53ef\u4ee5\u76f4\u63a5\u5b58\u50a8\u3002\u82e5\u5df2\u88ab\u5360\u7528\uff0c\u5c06\u8fdb\u4e00\u6b65\u68c0\u67e5\u5143\u7d20\u7684equals\u65b9\u6cd5\uff0c\u5224\u65ad\u4e24\u4e2a\u5143\u7d20\u662f\u5426\u5b8c\u5168\u76f8\u540c\u3002\u82e5\u4e24\u4e2a\u5143\u7d20\u4e0d\u540c\uff0c\u54c8\u5e0c\u8868\u5c06\u5bfb\u627e\u4e0b\u4e00\u4e2a\u7a7a\u95f2\u4f4d\u7f6e\u3002\u8fd9\u4e00\u8fc7\u7a0b\u4e5f\u8bf4\u660e\u4e86HashSet\u901a\u8fc7hashCode\u548cequals\u65b9\u6cd5\u4fdd\u8bc1\u4e86\u5143\u7d20\u7684\u552f\u4e00\u6027\u3002<\/p>\n<\/p>\n

\u4e00\u3001HASHMAP \u4f5c\u4e3a\u5185\u90e8\u673a\u5236<\/h3>\n<\/p>\n

HashSet\u80cc\u540e\u7684HashMap\u662f\u5982\u4f55\u5de5\u4f5c\u7684\u5c24\u4e3a\u5173\u952e\u3002HashMap\u57fa\u4e8e\u54c8\u5e0c\u8868\u7684\u5b9e\u7406\u5ff5\u8bbe\u8ba1<\/strong>\uff0c\u6bcf\u4e2a\u952e\u503c\u5bf9\u88ab\u8f6c\u6362\u6210\u4e00\u4e2a\u54c8\u5e0c\u7801\uff0chashCode()\u65b9\u6cd5\u8d1f\u8d23\u8fd9\u4e00\u8f6c\u6362\u3002HashMap\u5185\u90e8\u6709\u4e00\u4e2a\u6570\u7ec4\uff0c\u54c8\u5e0c\u7801\u51b3\u5b9a\u4e86\u952e\u503c\u5bf9\u5e94\u5b58\u50a8\u7684\u6570\u7ec4\u7d22\u5f15\u3002\u56e0\u6b64\uff0c\u5f53\u9700\u8981\u5b9a\u4f4d\u4e00\u4e2a\u952e\u503c\u5bf9\u662f\u5426\u5b58\u5728\u65f6\uff0c\u53ea\u9700\u8ba1\u7b97\u5176\u54c8\u5e0c\u7801\uff0c\u7136\u540e\u524d\u5f80\u6307\u5b9a\u7d22\u5f15\u4f4d\u7f6e\u67e5\u627e\uff0c\u8fd9\u5927\u5927\u51cf\u5c11\u4e86\u67e5\u627e\u65f6\u95f4\u3002<\/p>\n<\/p>\n

\u54c8\u5e0c\u51b2\u7a81\u7684\u89e3\u51b3<\/h4>\n<\/p>\n

\u4ea7\u751f\u54c8\u5e0c\u78b0\u649e\u662f\u5728\u6240\u96be\u514d\u7684\uff0c\u5373\u4e0d\u540c\u7684\u952e\u503c\u5bf9\u53ef\u80fd\u5177\u6709\u76f8\u540c\u7684\u54c8\u5e0c\u7801\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\uff0cHashMap\u4f7f\u7528\u4e86\u94fe\u8868\uff08\u6216\u7ea2\u9ed1\u6811\uff09\u6765\u5904\u7406\u51b2\u7a81\u3002\u5f53\u54c8\u5e0c\u78b0\u649e\u53d1\u751f\u65f6\uff0c\u65b0\u7684\u5143\u7d20\u5c06\u88ab\u6dfb\u52a0\u5230\u540c\u4e00\u7d22\u5f15\u4f4d\u7f6e\u7684\u94fe\u8868\u4e0a\uff0c\u82e5\u94fe\u8868\u8fc7\u957f\uff0c\u5219\u53ef\u80fd\u8f6c\u5316\u6210\u7ea2\u9ed1\u6811\uff0c\u4ee5\u4fdd\u6301\u9ad8\u6548\u7684\u67e5\u627e\u901f\u5ea6\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u552f\u4e00\u6027\u4fdd\u8bc1<\/h3>\n<\/p>\n

HashSet\u7684\u8bbe\u8ba1\u76ee\u6807\u4e4b\u4e00\u662f\u4fdd\u8bc1\u5b58\u50a8\u5143\u7d20\u7684\u552f\u4e00\u6027\u3002\u5229\u7528hashCode\u548cequals\u65b9\u6cd5\u8fdb\u884c\u552f\u4e00\u6027\u7684\u786e\u8ba4\uff0c\u786e\u4fdd\u4e86\u6bcf\u4e2a\u5143\u7d20\u5728\u96c6\u5408\u4e2d\u53ea\u51fa\u73b0\u4e00\u6b21<\/strong>\u3002<\/p>\n<\/p>\n

hashCode\u7684\u4f5c\u7528<\/h4>\n<\/p>\n

hashCode\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u786e\u5b9a\u5bf9\u8c61\u5728\u54c8\u5e0c\u8868\u4e2d\u7684\u5b58\u50a8\u4f4d\u7f6e\uff0c\u662f\u5b9e\u73b0\u5feb\u901f\u67e5\u627e\u7684\u5173\u952e\u3002\u5728\u6dfb\u52a0\u5143\u7d20\u5230HashSet\u65f6\uff0c\u9996\u5148\u8ba1\u7b97\u5143\u7d20\u7684hashCode\u503c\u6765\u51b3\u5b9a\u5176\u5b58\u50a8\u4f4d\u7f6e\u3002\u5982\u679c\u4e24\u4e2a\u5143\u7d20\u7684hashCode\u76f8\u540c\uff0c\u4f46\u901a\u8fc7equals\u65b9\u6cd5\u6bd4\u8f83\u540e\u53d1\u73b0\u5b83\u4eec\u4e0d\u76f8\u540c\uff0c\u5219\u5143\u7d20\u4ecd\u7136\u53ef\u4ee5\u6dfb\u52a0\u5230\u96c6\u5408\u4e2d\uff0c\u8fd9\u65f6\u5019\u54c8\u5e0c\u8868\u5c31\u901a\u8fc7\u94fe\u8868\u6216\u7ea2\u9ed1\u6811\u6765\u89e3\u51b3\u8fd9\u79cd\u54c8\u5e0c\u51b2\u7a81\u3002<\/p>\n<\/p>\n

equals\u65b9\u6cd5\u7684\u91cd\u8981\u6027<\/h4>\n<\/p>\n

\u5728\u5904\u7406\u54c8\u5e0c\u51b2\u7a81\u65f6\uff0cequals\u65b9\u6cd5\u7528\u4e8e\u5224\u65ad\u4e24\u4e2a\u5143\u7d20\u662f\u5426\u5b8c\u5168\u76f8\u540c\u3002\u53ea\u6709\u5f53hashCode\u76f8\u540c\uff0c\u4e14equals\u65b9\u6cd5\u8fd4\u56detrue\u65f6\uff0c\u624d\u4f1a\u5224\u5b9a\u4e3a\u540c\u4e00\u4e2a\u5bf9\u8c61\uff0c\u8fd9\u6837\u5c31\u4fdd\u8bc1\u4e86HashSet\u4e2d\u4e0d\u4f1a\u6709\u91cd\u590d\u7684\u5143\u7d20\u3002\u8fd9\u4e5f\u4f53\u73b0\u4e86\u5728\u4f7f\u7528HashSet\u65f6\uff0c\u5b58\u50a8\u7684\u5bf9\u8c61\u7c7b\u5e94\u6b63\u786e\u91cd\u5199hashCode\u548cequals\u65b9\u6cd5\uff0c\u4ee5\u786e\u4fddHashSet\u7684\u6b63\u786e\u884c\u4e3a\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u6027\u80fd\u4f18\u5316<\/h3>\n<\/p>\n

HashSet\u7684\u6027\u80fd\u5f88\u5927\u7a0b\u5ea6\u4e0a\u53d6\u51b3\u4e8e\u54c8\u5e0c\u51fd\u6570\u7684\u597d\u574f\u4e0e\u51b2\u7a81\u89e3\u51b3\u673a\u5236\u3002\u4e00\u4e2a\u597d\u7684\u54c8\u5e0c\u51fd\u6570\u80fd\u591f\u5c3d\u91cf\u51cf\u5c11\u51b2\u7a81\uff0c\u4f7f\u6570\u636e\u5747\u5300\u5206\u5e03\u4e8e\u54c8\u5e0c\u8868\u4e2d<\/strong>\u3002<\/p>\n<\/p>\n

\u54c8\u5e0c\u51fd\u6570\u7684\u9009\u62e9<\/h4>\n<\/p>\n

\u9009\u62e9\u4e00\u4e2a\u597d\u7684\u54c8\u5e0c\u51fd\u6570\u662f\u4f18\u5316HashSet\u6027\u80fd\u7684\u5173\u952e\u3002\u7406\u60f3\u7684\u54c8\u5e0c\u51fd\u6570\u5e94\u8be5\u6ee1\u8db3\uff1a\u8ba1\u7b97\u7b80\u5355\u3001\u6563\u5217\u503c\u5206\u5e03\u5747\u5300\u4e14\u5c3d\u53ef\u80fd\u51cf\u5c11\u78b0\u649e\u7684\u51e0\u7387\u3002Java\u7684Object\u7c7b\u63d0\u4f9b\u4e86hashCode\u65b9\u6cd5\uff0c\u4f46\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6839\u636e\u5bf9\u8c61\u7279\u6027\u81ea\u5b9a\u4e49hashCode\u65b9\u6cd5\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u51cf\u5c11\u54c8\u5e0c\u78b0\u649e\u3002<\/p>\n<\/p>\n

\u51b2\u7a81\u89e3\u51b3\u7b56\u7565<\/h4>\n<\/p>\n

\u9ad8\u6548\u7684\u51b2\u7a81\u89e3\u51b3\u673a\u5236\u5bf9\u4f18\u5316\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002HashMap\u901a\u8fc7\u94fe\u8868\u548c\u7ea2\u9ed1\u6811\u7684\u7ed3\u5408\u4f7f\u7528\uff0c\u5e73\u8861\u4e86\u67e5\u627e\u4e0e\u63d2\u5165\u7684\u901f\u5ea6\u3002\u5f53\u94fe\u8868\u957f\u5ea6\u8d85\u51fa\u9608\u503c\u65f6\uff0c\u94fe\u8868\u8f6c\u6362\u4e3a\u7ea2\u9ed1\u6811\uff0c\u8fdb\u4e00\u6b65\u4f18\u5316\u4e86\u67e5\u627e\u6548\u7387\u3002<\/p>\n<\/p>\n

\u56db\u3001\u6269\u5bb9\u673a\u5236<\/h3>\n<\/p>\n

\u5f53HashSet\u4e2d\u7684\u5143\u7d20\u6570\u91cf\u8fbe\u5230\u5bb9\u91cf\u7684\u4e00\u5b9a\u6bd4\u4f8b\uff08\u52a0\u8f7d\u56e0\u5b50\uff09\uff0cHashSet\u4f1a\u8fdb\u884c\u6269\u5bb9\u3002\u6269\u5bb9\u662f\u901a\u8fc7\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u66f4\u5927\u7684\u54c8\u5e0c\u8868\uff0c\u5e76\u5c06\u65e7\u8868\u4e2d\u7684\u6240\u6709\u5143\u7d20\u91cd\u65b0\u54c8\u5e0c\u5230\u65b0\u8868\u4e2d\u6765\u5b9e\u73b0<\/strong>\u3002<\/p>\n<\/p>\n

\u6269\u5bb9\u8fc7\u7a0b<\/h4>\n<\/p>\n

\u6269\u5bb9\u8fc7\u7a0b\u4e2d\uff0c\u6bcf\u4e2a\u5143\u7d20\u90fd\u9700\u8981\u91cd\u65b0\u8ba1\u7b97\u5176\u5728\u65b0\u54c8\u5e0c\u8868\u4e2d\u7684\u4f4d\u7f6e\uff0c\u5e76\u5c06\u5176\u79fb\u52a8\u5230\u65b0\u4f4d\u7f6e\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u6d88\u8017\u8f83\u5927\uff0c\u4f1a\u5f71\u54cdHashSet\u7684\u6027\u80fd\uff0c\u5c24\u5176\u662f\u5728HashSet\u5bb9\u91cf\u8f83\u5927\u65f6\u3002<\/p>\n<\/p>\n

\u52a0\u8f7d\u56e0\u5b50\u7684\u8bbe\u5b9a<\/h4>\n<\/p>\n

\u52a0\u8f7d\u56e0\u5b50\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u53c2\u6570\uff0c\u5b83\u51b3\u5b9a\u4e86\u54c8\u5e0c\u8868\u7684\u586b\u6ee1\u7a0b\u5ea6\u3002\u8f83\u4f4e\u7684\u52a0\u8f7d\u56e0\u5b50\u53ef\u4ee5\u51cf\u5c11\u78b0\u649e\u51e0\u7387\uff0c\u4f46\u4f1a\u589e\u52a0\u5185\u5b58\u7684\u4f7f\u7528\u3002\u8f83\u9ad8\u7684\u52a0\u8f7d\u56e0\u5b50\u867d\u7136\u4f7f\u7528\u7a7a\u95f4\u66f4\u9ad8\u6548\uff0c\u4f46\u589e\u52a0\u4e86\u78b0\u649e\u7684\u51e0\u7387\u548c\u67e5\u627e\u6210\u672c\u3002\u56e0\u6b64\uff0c\u5408\u7406\u8bbe\u5b9a\u52a0\u8f7d\u56e0\u5b50\u662f\u4f18\u5316\u6027\u80fd\u7684\u91cd\u8981\u8003\u8651\u3002<\/p>\n<\/p>\n

\u901a\u8fc7\u6df1\u5165\u7406\u89e3HashSet\u7684\u5b9e\u73b0\u539f\u7406\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u5229\u7528\u5176\u7279\u6027\uff0c\u4f18\u5316Java\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u6b63\u786e\u5730\u4f7f\u7528\u54c8\u5e0c\u51fd\u6570\u3001\u5408\u7406\u5904\u7406\u54c8\u5e0c\u51b2\u7a81\u3001\u4ee5\u53ca\u9002\u65f6\u7684\u6269\u5bb9\u7b56\u7565\uff0c\u662f\u786e\u4fddHashSet\u9ad8\u6548\u8fd0\u4f5c\u7684\u5173\u952e\u56e0\u7d20\u3002<\/p>\n<\/p>\n

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

1. HashSet\u7684\u5b9e\u73b0\u539f\u7406\u662f\u600e\u6837\u7684\uff1f<\/strong>
\nHashSet\u662f\u57fa\u4e8e\u54c8\u5e0c\u8868\u5b9e\u73b0\u7684\u96c6\u5408\u7c7b\uff0c\u5b83\u901a\u8fc7\u54c8\u5e0c\u51fd\u6570\u5c06\u5143\u7d20\u6620\u5c04\u5230\u54c8\u5e0c\u8868\u7684\u6876\u4e2d\u5b58\u50a8\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u5f53\u5411HashSet\u4e2d\u63d2\u5165\u4e00\u4e2a\u5143\u7d20\u65f6\uff0c\u9996\u5148\u4f1a\u4f7f\u7528\u5143\u7d20\u7684\u54c8\u5e0c\u503c\u8ba1\u7b97\u5176\u5728\u54c8\u5e0c\u8868\u4e2d\u7684\u5b58\u50a8\u4f4d\u7f6e\uff0c\u5982\u679c\u8be5\u4f4d\u7f6e\u4e0a\u6ca1\u6709\u5176\u4ed6\u5143\u7d20\uff0c\u5219\u76f4\u63a5\u5c06\u5143\u7d20\u63d2\u5165\u5176\u4e2d\uff1b\u5982\u679c\u8be5\u4f4d\u7f6e\u4e0a\u5df2\u7ecf\u6709\u5143\u7d20\u5b58\u5728\uff08\u53d1\u751f\u4e86\u54c8\u5e0c\u78b0\u649e\uff09\uff0c\u5219\u4f7f\u7528equals()\u65b9\u6cd5\u5224\u65ad\u5143\u7d20\u662f\u5426\u76f8\u7b49\uff0c\u5982\u679c\u4e0d\u76f8\u7b49\uff0c\u5219\u5c06\u5143\u7d20\u63d2\u5165\u5230\u6876\u4e2d\u7684\u94fe\u8868\u6216\u7ea2\u9ed1\u6811\u4e2d\u3002<\/p>\n

2. HashSet\u5185\u90e8\u662f\u5982\u4f55\u5904\u7406\u54c8\u5e0c\u78b0\u649e\u7684\uff1f<\/strong>
\n\u5f53\u53d1\u751f\u54c8\u5e0c\u78b0\u649e\u65f6\uff0cHashSet\u5185\u90e8\u4f1a\u4f7f\u7528\u94fe\u8868\u6216\u7ea2\u9ed1\u6811\u6765\u89e3\u51b3\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u5f53\u4e00\u4e2a\u6876\u4e2d\u7684\u5143\u7d20\u4e2a\u6570\u5927\u4e8e\u4e00\u4e2a\u9608\u503c\u65f6\uff08\u9ed8\u8ba4\u662f8\uff09\uff0c\u800c\u4e14\u8be5\u6876\u7684\u957f\u5ea6\u5927\u4e8e64\u65f6\uff0cHashSet\u4f1a\u5c06\u94fe\u8868\u8f6c\u5316\u4e3a\u7ea2\u9ed1\u6811\uff0c\u8fd9\u6837\u53ef\u4ee5\u63d0\u9ad8\u67e5\u627e\u3001\u63d2\u5165\u548c\u5220\u9664\u7684\u6548\u7387\u3002\u5f53\u7136\uff0c\u5728\u5143\u7d20\u4e2a\u6570\u51cf\u5c11\u5230\u4e00\u4e2a\u9608\u503c\u4ee5\u4e0b\u65f6\uff0c\u53c8\u4f1a\u5c06\u7ea2\u9ed1\u6811\u8f6c\u56de\u94fe\u8868\u3002<\/p>\n

3. HashSet\u4e3a\u4ec0\u4e48\u53ef\u4ee5\u4fdd\u8bc1\u5143\u7d20\u7684\u552f\u4e00\u6027\uff1f<\/strong>
\nHashSet\u4fdd\u8bc1\u5143\u7d20\u7684\u552f\u4e00\u6027\u662f\u57fa\u4e8e\u54c8\u5e0c\u8868\u7684\u539f\u7406\u3002\u5f53\u63d2\u5165\u4e00\u4e2a\u5143\u7d20\u65f6\uff0cHashSet\u4f1a\u8ba1\u7b97\u8be5\u5143\u7d20\u7684\u54c8\u5e0c\u503c\uff0c\u5e76\u6839\u636e\u54c8\u5e0c\u503c\u5c06\u5176\u653e\u5165\u76f8\u5e94\u7684\u6876\u4e2d\u3002\u5f53\u63d2\u5165\u4e0b\u4e00\u4e2a\u5143\u7d20\u65f6\uff0c\u4f1a\u5148\u6bd4\u8f83\u5176\u54c8\u5e0c\u503c\uff0c\u5982\u679c\u548c\u5df2\u6709\u5143\u7d20\u7684\u54c8\u5e0c\u503c\u76f8\u540c\uff0c\u5219\u518d\u901a\u8fc7equals()\u65b9\u6cd5\u5224\u65ad\u5b83\u4eec\u7684\u503c\u662f\u5426\u76f8\u7b49\u3002\u5982\u679c\u4e0d\u76f8\u7b49\uff0c\u5219\u5c06\u8be5\u5143\u7d20\u63d2\u5165\u5230\u94fe\u8868\u6216\u7ea2\u9ed1\u6811\u4e2d\u3002\u8fd9\u6837\uff0c\u5f53\u6211\u4eec\u8fdb\u884c\u5143\u7d20\u67e5\u627e\u65f6\uff0c\u5148\u6839\u636e\u54c8\u5e0c\u503c\u786e\u5b9a\u6876\u7684\u4f4d\u7f6e\uff0c\u7136\u540e\u518d\u5728\u94fe\u8868\u6216\u7ea2\u9ed1\u6811\u4e2d\u67e5\u627e\uff0c\u4ece\u800c\u5feb\u901f\u627e\u5230\u6240\u9700\u5143\u7d20\u3002\u56e0\u6b64\uff0cHashSet\u4fdd\u8bc1\u4e86\u5143\u7d20\u7684\u552f\u4e00\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"HashSet\u7684\u5b9e\u73b0\u539f\u7406\u4e3b\u8981\u57fa\u4e8e\u4e24\u4e2a\u6838\u5fc3\u6982\u5ff5\uff1a\u54c8\u5e0c\u8868\uff08HashMap\uff09\u548c\u552f\u4e00\u6027\u3002\u5b83\u4f7f\u7528\u54c8\u5e0c\u8868\u4f5c\u4e3a\u5185\u90e8\u5b58\u50a8\u7ed3\u6784\uff0c […]","protected":false},"author":3,"featured_media":295492,"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\/295479"}],"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=295479"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/295479\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/295492"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=295479"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=295479"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=295479"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}