{"id":203972,"date":"2025-05-22T10:51:20","date_gmt":"2025-05-22T02:51:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203972\/"},"modified":"2025-05-22T10:51:20","modified_gmt":"2025-05-22T02:51:20","slug":"java-string%e7%b1%bb%e7%9a%84equals%e6%96%b9%e6%b3%95%e6%98%af%e5%a6%82%e4%bd%95%e5%b7%a5%e4%bd%9c%e7%9a%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203972\/","title":{"rendered":"Java String\u7c7b\u7684equals\u65b9\u6cd5\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java String\u7c7b\u7684equals\u65b9\u6cd5\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f<\/h1>\n<p>\u6587\u7ae0\u5c0f\u767d\u4e00\u679a\uff0c\u6b63\u5728\u4e0d\u65ad\u5b66\u4e60\u79ef\u7d2f\u77e5\u8bc6\uff0c\u73b0\u5c06\u5b66\u4e60\u5230\u7684\u77e5\u8bc6\u8bb0\u5f55\u4e00\u4e0b\uff0c\u4e5f\u662f\u5c06\u6211\u7684\u6240\u5f97\u5206\u4eab\u7ed9\u5927\u5bb6\uff01\u800c\u4eca\u5929\u8fd9\u7bc7\u6587\u7ae0\u300aJava String\u7c7b\u7684equals\u65b9\u6cd5\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f\u300b\u5e26\u5927\u5bb6\u6765\u4e86\u89e3\u4e00\u4e0b##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241202\/1733109896674d288825e51.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u7406\u89e3Java String\u7c7bequals\u65b9\u6cd5\u7684\u5185\u90e8\u903b\u8f91<\/strong><\/p>\n<p><strong>\u95ee\u9898\u4e00\uff1aequals\u65b9\u6cd5\u5faa\u73af\u8fd0\u884c\uff0c\u4e14\u6570\u7ec4\u957f\u5ea6\u4e0d\u4e00\u81f4<\/strong><\/p>\n<ul>\n<li>Compact Strings \u529f\u80fd\u88ab\u7981\u7528\u65f6\uff08Compact Strings \u4e3a false\uff09\uff0cvalue \u5b57\u8282\u6570\u7ec4\u56fa\u5b9a\u91c7\u7528 UTF16 \u7f16\u7801\u3002<\/li>\n<li>\u5f53\u6bd4\u8f83\u6761\u4ef6 (!Compact Strings || this.coder == aString.coder) \u4e3a false \u65f6\uff0c\u8868\u660e\u5b57\u7b26\u4e32\u62e5\u6709\u4e0d\u540c\u7684\u7f16\u7801\u5668\uff0c\u6bd4\u8f83\u5931\u8d25\u3002<\/li>\n<li>\u67d0\u4e2a\u6761\u4ef6\u4e3a false \u65f6\uff0cequals \u65b9\u6cd5\u5c06\u76f4\u63a5\u8fd4\u56de false\uff0c\u4e0d\u4f1a\u8fdb\u884c\u5faa\u73af\u8fd0\u884c\u3002<\/li>\n<\/ul>\n<p><strong>\u95ee\u9898\u4e8c\uff1a\u4f20\u9012\u53c2\u6570\u5dee\u5f02<\/strong><\/p>\n<ul>\n<li>equals \u65b9\u6cd5\u5728\u5185\u90e8\u4f1a\u89c4\u8303\u5316\u53c2\u6570\uff0c\u5c06\u5176\u8f6c\u6362\u4e3a String \u7c7b\u7684\u5b9e\u4f8b\u3002<\/li>\n<li>\u5c06\u4e24\u4e2a\u5b57\u7b26\u4e32 &#8220;a&#8221; \u4f20\u9012\u7ed9 equals \u65b9\u6cd5\u65f6\uff0c\u65e0\u8bba\u662f\u5426\u901a\u8fc7 new String(&#8220;a&#8221;) \u521b\u5efa\uff0c\u6700\u7ec8\u90fd\u4f1a\u88ab\u8868\u793a\u4e3a\u5b57\u7b26\u4e32\u5e38\u91cf\u6c60\u4e2d\u7684\u76f8\u540c String \u5bf9\u8c61\uff0c\u56e0\u6b64\u4f20\u9012\u7684\u53c2\u6570\u5c06\u662f\u4e00\u81f4\u7684\u3002<\/li>\n<\/ul>\n<p><strong>equals\u65b9\u6cd5\u6bd4\u8f83\u903b\u8f91<\/strong><\/p>\n<ol>\n<li>\u5224\u65ad\u662f\u5426\u90fd\u662f\u5b57\u7b26\u4e32\u5bf9\u8c61\uff0c\u5426\u5219\u6bd4\u8f83\u5931\u8d25\u3002<\/li>\n<li>\u5224\u65ad\u4e24\u4e2a\u5b57\u7b26\u4e32\u662f\u5426\u5177\u6709\u76f8\u540c\u7684\u7f16\u7801\u5668\uff08\u53d7 Compact Strings \u5f71\u54cd\uff09\u3002<\/li>\n<li>\u7f16\u7801\u5668\u4e00\u81f4\u65f6\uff0c\u4ee5\u5b57\u8282\u65b9\u5f0f\u9010\u4e2a\u6bd4\u8f83\u5b57\u7b26\u4e32\u5185\u90e8\u6570\u636e\uff0c\u5982 StringLatin1.equals(value, aString.value) \u6240\u793a\u3002<\/li>\n<\/ol>\n<p>\u4eca\u5929\u5173\u4e8e\u300aJava String\u7c7b\u7684equals\u65b9\u6cd5\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java String\u7c7b\u7684equ&#46;&#46;&#46;<\/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-203972","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203972","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=203972"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203972\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203972"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203972"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203972"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}