{"id":203445,"date":"2025-05-22T14:03:08","date_gmt":"2025-05-22T06:03:08","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203445\/"},"modified":"2025-05-22T14:03:08","modified_gmt":"2025-05-22T06:03:08","slug":"java%e5%ad%97%e7%ac%a6%e6%95%b0%e7%bb%84c-tostring%e5%92%8carrays-tostringc%e7%9a%84%e5%8c%ba%e5%88%ab%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203445\/","title":{"rendered":"Java\u5b57\u7b26\u6570\u7ec4c.toString()\u548cArrays.toString(c)\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java\u5b57\u7b26\u6570\u7ec4c.toString()\u548cArrays.toString(c)\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f<\/h1>\n<p>\u5c0f\u4f19\u4f34\u4eec\u6709\u6ca1\u6709\u89c9\u5f97\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u5f88\u6709\u610f\u601d\uff1f\u6709\u610f\u601d\u5c31\u5bf9\u4e86\uff01\u4eca\u5929\u5c31\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aJava\u5b57\u7b26\u6570\u7ec4c.toString()\u548cArrays.toString(c)\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f\u300b<\/span>\uff0c\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\uff0c\u82e5\u662f\u5728\u5b66\u4e60\u4e2d\u5bf9\u5176\u4e2d\u90e8\u5206\u77e5\u8bc6\u70b9\u6709\u7591\u95ee\uff0c\u6216\u8bb8\u770b\u4e86\u672c\u6587\u5c31\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241108\/1731055553672dcfc11a12f.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u76f4\u63a5toString\u8f93\u51fa\u5730\u5740\u503c\uff0cArrays.toString()\u957f\u5ea6\u5f02\u5e38\u7684\u539f\u56e0\u89e3\u6790<\/strong><\/p>\n<p>\u5728Java\u4e2d\uff0c<strong>\u5b57\u7b26\u6570\u7ec4<\/strong>\u662f\u4e00\u4e2a<strong>\u5bf9\u8c61<\/strong>\uff0c<strong>\u7ee7\u627f<\/strong>\u81eaObject\u7c7b\u3002<\/p>\n<p><strong>1. \u76f4\u63a5\u4f7f\u7528str = c.toString()\u8f93\u51fa\u5730\u5740\u503c<\/strong><\/p>\n<p>c.toString()\u8c03\u7528\u7684\u662fObject\u7c7b\u4e2d\u7684toString()\u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u8fd4\u56de\u5bf9\u8c61\u7684\u7c7b\u540d\u540e\u63a5@\u7b26\u53f7\u4ee5\u53ca\u5bf9\u8c61\u7684\u54c8\u5e0c\u7801\u3002\u56e0\u6b64\uff0cstr = c.toString()\u8f93\u51fa\u7684\u662f\u5b57\u7b26\u6570\u7ec4c\u7684\u5730\u5740\u503c\uff0c\u800c\u975e\u5176\u5185\u5bb9\u3002<\/p>\n<p><strong>2. \u4f7f\u7528str1 = Arrays.toString(c)\u8f93\u51fa\u957f\u5ea6\u5f02\u5e38<\/strong><\/p>\n<p>Arrays.toString(c)\u5c06\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u8f6c\u6362\u6210\u5b57\u7b26\u4e32\u5f62\u5f0f\uff0c\u5e76\u7528\u9017\u53f7\u5206\u9694\u3002\u5728\u672c\u4f8b\u4e2d\uff0cstr1 = Arrays.toString(c)\u5c06\u5b57\u7b26\u6570\u7ec4\u4e2d\u76847\u4e2a\u5b57\u7b26\u4ee5\u8fd9\u79cd\u5f62\u5f0f\u8f93\u51fa\uff0c\u518d\u52a0\u4e0a[\u548c]\u7b26\u53f7\uff0c\u5171 <strong>18<\/strong> \u4e2a\u5b57\u7b26\u3002\u56e0\u6b64\uff0cstr1.length()\u8fd4\u56de18\u3002<\/p>\n<p><strong>3. c.toString()\u548cArrays.toString(c)\u7684\u533a\u522b<\/strong><\/p>\n<p>c.toString()\u8c03\u7528\u7684\u662fObject\u7c7b\u7684toString()\u65b9\u6cd5\uff0c\u8f93\u51fa\u5bf9\u8c61\u7684\u5730\u5740\u503c\u3002<\/p>\n<p>Arrays.toString(c)\u5c06\u6570\u7ec4\u5143\u7d20\u8f6c\u6362\u6210\u5b57\u7b26\u4e32\u5f62\u5f0f\uff0c\u5e76\u7528\u9017\u53f7\u5206\u9694\u8f93\u51fa\uff0c\u9002\u5408\u7528\u4e8e\u663e\u793a\u6570\u7ec4\u5185\u5bb9\u3002<\/p>\n<p>\u672c\u7bc7\u5173\u4e8e\u300aJava\u5b57\u7b26\u6570\u7ec4c.toString()\u548cArrays.toString(c)\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u5b57\u7b26\u6570\u7ec4c.toStri&#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-203445","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203445","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=203445"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203445\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203445"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203445"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}