{"id":203492,"date":"2025-05-22T13:01:22","date_gmt":"2025-05-22T05:01:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203492\/"},"modified":"2025-05-22T13:01:22","modified_gmt":"2025-05-22T05:01:22","slug":"java-%e4%b8%ad%ef%bc%8cint%e3%80%81integer%e3%80%81double%e3%80%81double-%e7%94%a8-%e6%af%94%e8%be%83%e6%97%b6%e9%9c%80%e8%a6%81%e6%b3%a8%e6%84%8f%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203492\/","title":{"rendered":"Java \u4e2d\uff0cint\u3001Integer\u3001double\u3001Double \u7528 == \u6bd4\u8f83\u65f6\u9700\u8981\u6ce8\u610f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java \u4e2d\uff0cint\u3001Integer\u3001double\u3001Double \u7528 == \u6bd4\u8f83\u65f6\u9700\u8981\u6ce8\u610f\u4ec0\u4e48\uff1f<\/h1>\n<p>\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aJava \u4e2d\uff0cint\u3001Integer\u3001double\u3001Double \u7528 == \u6bd4\u8f83\u65f6\u9700\u8981\u6ce8\u610f\u4ec0\u4e48\uff1f\u300b<\/span>\uff0c\u5176\u4e2d\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u5305\u62ec<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u65e0\u8bba\u4f60\u662f\u5c0f\u767d\u8fd8\u662f\u8001\u624b\uff0c\u90fd\u9002\u5408\u770b\u4e00\u770b\u54e6~\u6709\u597d\u7684\u5efa\u8bae\u4e5f\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u82e5\u662f\u770b\u5b8c\u6709\u6240\u6536\u83b7\uff0c\u4e5f\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u70b9\u8d5e\u652f\u6301\u5440\uff01\u4e00\u8d77\u52a0\u6cb9\u5b66\u4e60~<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241109\/1731158859672f634b279d3.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>int\u3001Integer\u3001double\u3001Double \u7528 == \u6bd4\u8f83\u7684\u5dee\u5f02<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u4f7f\u7528 == \u8fd0\u7b97\u7b26\u6bd4\u8f83\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff08int\u3001double \u7b49\uff09\u548c\u5305\u88c5\u7c7b\uff08\u5982 Integer\u3001Double\uff09\u5b58\u5728\u4e00\u4e9b\u4ee4\u4eba\u56f0\u60d1\u7684\u5730\u65b9\u3002<\/p>\n<p><strong>\u57fa\u672c\u6570\u636e\u7c7b\u578b<\/strong><\/p>\n<ul>\n<li>int a = 10 \u548c double c = 10 \u5b58\u50a8\u7684\u662f\u539f\u59cb\u503c\uff0c\u5b83\u4eec\u88ab\u89c6\u4e3a\u4e8c\u8fdb\u5236\u8868\u793a\uff0c\u56e0\u6b64\u53ef\u4ee5\u76f4\u63a5\u6bd4\u8f83\u3002\u56e0\u6b64\uff0ca == c \u662f true\u3002<\/li>\n<\/ul>\n<p><strong>\u5305\u88c5\u7c7b<\/strong><\/p>\n<ul>\n<li>Double b = 10.0 \u548c Double d = 10.0 \u5b58\u50a8\u7684\u662f\u5f15\u7528\u53d8\u91cf\uff0c\u5b83\u4eec\u6307\u5411\u7740\u5305\u542b\u539f\u59cb\u503c\u7684\u5806\u4e2d\u7684\u5bf9\u8c61\u3002\u5f53\u4f7f\u7528 == \u6bd4\u8f83\u65f6\uff0c\u6bd4\u8f83\u7684\u662f\u5bf9\u8c61\u5f15\u7528\uff0c\u5373\u5185\u5b58\u5730\u5740\u3002\u56e0\u6b64\uff0cb == d \u662f false\u3002<\/li>\n<\/ul>\n<p><strong>\u7f16\u8bd1\u5668\u9519\u8bef<\/strong><\/p>\n<ul>\n<li>Integer e = 10 \u548c Double b = 10.0 \u4f7f\u7528 == \u6bd4\u8f83\u65f6\u7f16\u8bd1\u51fa\u9519\uff0c\u8fd9\u662f\u56e0\u4e3a Integer \u662f\u4e00\u79cd\u5bf9\u8c61\uff0c\u800c Double \u4e5f\u662f\u4e00\u79cd\u5bf9\u8c61\uff0c\u5b83\u4eec\u662f\u4e0d\u540c\u7684\u7c7b\u578b\uff0c\u4e0d\u80fd\u76f4\u63a5\u76f8\u4e92\u6bd4\u8f83\u3002<\/li>\n<\/ul>\n<p><strong>\u603b\u7ed3<\/strong><\/p>\n<p>\u8981\u6b63\u786e\u6bd4\u8f83\u57fa\u672c\u6570\u636e\u7c7b\u578b\u548c\u5305\u88c5\u7c7b\uff0c\u9700\u8981\u8003\u8651\u5b83\u4eec\u5728\u5185\u5b58\u4e2d\u7684\u8868\u793a\u5f62\u5f0f\u548c\u6bd4\u8f83\u7684\u7c7b\u578b\u3002\u5bf9\u4e8e\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff0c\u4f7f\u7528 == \u6bd4\u8f83\u5b83\u4eec\u7684\u539f\u59cb\u503c\uff0c\u800c\u5bf9\u4e8e\u5305\u88c5\u7c7b\uff0c\u9700\u8981\u5148\u660e\u786e\u6bd4\u8f83\u7684\u662f\u5bf9\u8c61\u5f15\u7528\u8fd8\u662f\u539f\u59cb\u503c\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300aJava \u4e2d\uff0cint\u3001Integer\u3001double\u3001Double \u7528 == \u6bd4\u8f83\u65f6\u9700\u8981\u6ce8\u610f\u4ec0\u4e48\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 \u4e2d\uff0cint\u3001Integ&#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-203492","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203492","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=203492"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203492\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203492"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203492"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203492"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}