{"id":203890,"date":"2025-05-22T13:12:07","date_gmt":"2025-05-22T05:12:07","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203890\/"},"modified":"2025-05-22T13:12:07","modified_gmt":"2025-05-22T05:12:07","slug":"java%e4%b8%ad%e9%87%8d%e5%86%99equals%e6%96%b9%e6%b3%95%ef%bc%9a%e4%b8%ba%e4%bb%80%e4%b9%88%e9%9c%80%e8%a6%81%e5%bc%ba%e5%88%b6%e7%b1%bb%e5%9e%8b%e8%bd%ac%e6%8d%a2%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203890\/","title":{"rendered":"Java\u4e2d\u91cd\u5199equals\u65b9\u6cd5\uff1a\u4e3a\u4ec0\u4e48\u9700\u8981\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

Java\u4e2d\u91cd\u5199equals\u65b9\u6cd5\uff1a\u4e3a\u4ec0\u4e48\u9700\u8981\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\uff1f<\/h1>\n

\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300aJava\u4e2d\u91cd\u5199equals\u65b9\u6cd5\uff1a\u4e3a\u4ec0\u4e48\u9700\u8981\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\uff1f\u300b\uff0c\u8986\u76d6\u4e86\u6587\u7ae0\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002<\/p>\n

<\/p>\n

Java \u4e2d\u91cd\u5199 equals \u65b9\u6cd5\u7684\u7591\u60d1<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0cequals \u65b9\u6cd5\u662f Object \u7c7b\u7684\u57fa\u672c\u65b9\u6cd5\uff0c\u7528\u4e8e\u6bd4\u8f83\u4e24\u4e2a\u5bf9\u8c61\u7684\u76f8\u7b49\u6027\u3002\u91cd\u5199\u6b64\u65b9\u6cd5\u65f6\uff0c\u7ecf\u5e38\u4f1a\u9047\u5230\u5f3a\u8f6c\u5bf9\u8c61\u7684\u95ee\u9898\uff0c\u4ee5\u4e0b\u9488\u5bf9\u8fd9\u4e00\u7591\u60d1\u5c55\u5f00\u89e3\u7b54\uff1a<\/p>\n

\u9996\u5148\uff0c\u5728 equals \u65b9\u6cd5\u4e2d\u6253\u5370\u5bf9\u8c61\u5f15\u7528 obj \u53d1\u73b0\u5176\u683c\u5f0f\u4e3a “Phone@1b6d3586″\uff0c\u8fd9\u8868\u660e obj \u662f Phone \u7c7b\u7684\u5bf9\u8c61\u5b9e\u4f8b\u3002\u56e0\u6b64\uff0c\u4f60\u53ef\u80fd\u4f1a\u8d28\u7591\u662f\u5426\u5b58\u5728\u5f3a\u8f6c Necessity\u3002<\/p>\n

\u7136\u800c\uff0c\u91cd\u5199 equals \u65b9\u6cd5\u65f6\uff0c\u65b9\u6cd5\u7b7e\u540d\u5fc5\u987b\u4e0e Object \u7c7b\u7684 equals \u65b9\u6cd5\u76f8\u540c\uff0c\u5373\u63a5\u6536\u4e00\u4e2a Object \u7c7b\u578b\u7684\u53c2\u6570\u3002\u8fd9\u610f\u5473\u7740\u5728\u65b9\u6cd5\u4e2d\uff0c\u6211\u4eec\u53ea\u80fd\u64cd\u4f5c Object \u7c7b\u578b\u7684\u53d8\u91cf\u3002\u800c Phone \u7c7b\u7684\u5c5e\u6027 getName() \u548c getPrice() \u5728 Object \u7c7b\u4e2d\u5e76\u4e0d\u5b58\u5728\u3002<\/p>\n

\u56e0\u6b64\uff0c\u4e3a\u4e86\u5728 equals \u65b9\u6cd5\u4e2d\u8bbf\u95ee Phone \u7c7b\u7684\u5c5e\u6027\uff0c\u9700\u8981\u5c06 obj \u5f3a\u5236\u8f6c\u6362\u4e3a Phone \u7c7b\u578b\u3002\u901a\u8fc7\u5f3a\u8f6c\uff0c\u7f16\u8bd1\u5668\u77e5\u9053 obj \u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a Phone \u5bf9\u8c61\uff0c\u5e76\u5141\u8bb8\u8bbf\u95ee\u5176\u5c5e\u6027\u3002<\/p>\n

\u5982\u679c\u4e0d\u8fdb\u884c\u5f3a\u8f6c\uff0c\u7f16\u8bd1\u5668\u5c06\u65e0\u6cd5\u8bc6\u522b obj \u5177\u6709 getName() \u548c getPrice() \u65b9\u6cd5\uff0c\u5e76\u4e14\u4f1a\u62a5\u544a\u9519\u8bef\u3002\u56e0\u6b64\uff0c\u867d\u7136 obj \u662f\u4e00\u4e2a Phone \u5bf9\u8c61\u5b9e\u4f8b\uff0c\u4f46\u5728 equals \u65b9\u6cd5\u4e2d\u4ecd\u7136\u9700\u8981\u5c06\u5176\u5f3a\u8f6c\u4e3a Phone \u7c7b\u578b\uff0c\u4ee5\u5141\u8bb8\u8bbf\u95ee\u5176\u5c5e\u6027\u5e76\u8fdb\u884c\u6bd4\u8f83\u3002<\/p>\n

\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aJava\u4e2d\u91cd\u5199equals\u65b9\u6cd5\uff1a\u4e3a\u4ec0\u4e48\u9700\u8981\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\uff1f\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

Java\u4e2d\u91cd\u5199equals\u65b9\u6cd5\uff1a...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-203890","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203890","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=203890"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203890\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203890"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203890"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203890"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}