{"id":203400,"date":"2025-05-22T09:08:10","date_gmt":"2025-05-22T01:08:10","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203400\/"},"modified":"2025-05-22T09:08:10","modified_gmt":"2025-05-22T01:08:10","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88-char-%e6%95%b0%e7%bb%84%e7%9a%84-tostring-%e6%96%b9%e6%b3%95-%e8%bf%94%e5%9b%9e%e7%9a%84%e6%98%af%e5%af%b9%e8%b1%a1%e5%9c%b0%e5%9d%80%e5%80%bc%ef%bc%8c%e8%80%8c-arrays","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203400\/","title":{"rendered":"\u4e3a\u4ec0\u4e48 char[] \u6570\u7ec4\u7684 toString() \u65b9\u6cd5 \u8fd4\u56de\u7684\u662f\u5bf9\u8c61\u5730\u5740\u503c\uff0c\u800c Arrays.toString(c) \u5374\u8fd4\u56de 18 \u4f4d\u957f\u7684\u5b57\u7b26\u4e32\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u4e3a\u4ec0\u4e48 char[] \u6570\u7ec4\u7684 toString() \u65b9\u6cd5 \u8fd4\u56de\u7684\u662f\u5bf9\u8c61\u5730\u5740\u503c\uff0c\u800c Arrays.toString(c) \u5374\u8fd4\u56de 18 \u4f4d\u957f\u7684\u5b57\u7b26\u4e32\uff1f<\/h1>\n<p>\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u4e3a\u4ec0\u4e48 char[] \u6570\u7ec4\u7684 toString() \u65b9\u6cd5 \u8fd4\u56de\u7684\u662f\u5bf9\u8c61\u5730\u5740\u503c\uff0c\u800c Arrays.toString(c) \u5374\u8fd4\u56de 18 \u4f4d\u957f\u7684\u5b57\u7b26\u4e32\uff1f\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9&#8230;\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241107\/1730957084672c4f1c7fde9.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>toString() \u83b7\u53d6\u5730\u5740\u503c\u548c Arrays.toString() \u957f\u5ea6\u5f02\u5e38\u80cc\u540e\u7684\u539f\u56e0<\/strong><\/p>\n<p>Java \u4e2d\uff0ctoString() \u65b9\u6cd5\u7528\u4e8e\u5c06\u5bf9\u8c61\u8f6c\u6362\u4e3a\u5176\u5b57\u7b26\u4e32\u8868\u793a\u3002\u7136\u800c\uff0c\u5f53\u76f4\u63a5\u8c03\u7528 char[] \u6570\u7ec4\u7684 toString() \u65b9\u6cd5\u65f6\uff0c\u5b83\u8fd4\u56de\u7684\u5e76\u4e0d\u662f\u6570\u7ec4\u4e2d\u7684\u5b57\u7b26\uff0c\u800c\u662f\u5bf9\u8c61\u672c\u8eab\u7684\u5730\u5740\u503c\u3002\u8fd9\u662f\u56e0\u4e3a char[] \u6570\u7ec4\u7ee7\u627f\u81ea Object \u7c7b\uff0c\u4f46\u6ca1\u6709\u8986\u76d6\u5176 toString() \u65b9\u6cd5\uff0c\u5bfc\u81f4\u8c03\u7528\u7684\u662f Object \u7c7b\u4e2d\u7684\u9ed8\u8ba4\u5b9e\u73b0\u3002Object \u7c7b\u7684 toString() \u65b9\u6cd5\u8fd4\u56de\u7c7b\u540d\u548c\u5341\u516d\u8fdb\u5236\u54c8\u5e0c\u7801\uff0c\u8fd9\u5c31\u662f\u76f4\u63a5\u4f7f\u7528 c.toString() \u8f93\u51fa\u5730\u5740\u503c\u7684\u539f\u56e0\u3002<\/p>\n<p>\u5bf9\u4e8e\u95ee\u9898 2\uff0cArrays.toString(c) \u8fd4\u56de\u7684\u662f\u4e00\u4e2a 18 \u4f4d\u957f\u7684\u5b57\u7b26\u4e32\uff0c\u8fd9\u662f\u7531\u4e8e\u6570\u7ec4\u4e2d 7 \u4e2a\u5b57\u7b26\u7684 ASCII \u503c\u548c 11 \u4f4d\u5730\u5740\u503c\u7684\u7ec4\u5408\u3002\u6bcf\u4e2a\u5b57\u7b26\u7684 ASCII \u503c\u662f\u4e00\u4e2a 16 \u4f4d\u6574\u6570\uff0c\u56e0\u6b64\u603b\u957f\u5ea6\u4e3a 7 x 2 + 11 = 18 \u4f4d\u3002<\/p>\n<p>\u603b\u7684\u6765\u8bf4\uff0cc.toString() \u548c Arrays.toString(c) \u7684\u533a\u522b\u5728\u4e8e\uff1a<\/p>\n<ul>\n<li>c.toString() \u8fd4\u56de\u7684\u662f\u6570\u7ec4\u5bf9\u8c61\u7684\u5730\u5740\u503c\u3002<\/li>\n<li>Arrays.toString(c) \u8fd4\u56de\u7684\u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u5b57\u7b26\u4e32\u8868\u793a\uff0c\u5305\u62ec\u6bcf\u4e2a\u5b57\u7b26\u7684 ASCII \u503c\u3002<\/li>\n<\/ul>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300a\u4e3a\u4ec0\u4e48 char[] \u6570\u7ec4\u7684 toString() \u65b9\u6cd5 \u8fd4\u56de\u7684\u662f\u5bf9\u8c61\u5730\u5740\u503c\uff0c\u800c Arrays.toString(c) \u5374\u8fd4\u56de 18 \u4f4d\u957f\u7684\u5b57\u7b26\u4e32\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":"<p>\u4e3a\u4ec0\u4e48 char[] \u6570\u7ec4\u7684 t&#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-203400","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203400","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=203400"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203400\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203400"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203400"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203400"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}