{"id":66607,"date":"2025-05-03T09:41:25","date_gmt":"2025-05-03T01:41:25","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66607\/"},"modified":"2025-05-03T09:41:25","modified_gmt":"2025-05-03T01:41:25","slug":"java%e6%80%8e%e4%b9%88%e6%8b%bc%e6%8e%a5%e6%88%90%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66607\/","title":{"rendered":"java\u600e\u4e48\u62fc\u63a5\u6210\u5b57\u7b26\u4e32\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  java\u62fc\u63a5\u6210\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u65b9\u6cd5\uff1a\u4f7f\u7528 + \u8fd0\u7b97\u7b26\u4f7f\u7528 stringbuilder \u7684 concat() \u65b9\u6cd5\u4f7f\u7528 arrays.tostring() \u65b9\u6cd5\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111610092378928.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u62fc\u63a5\u6210\u5b57\u7b26\u4e32\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u62fc\u63a5\u6210\u5b57\u7b26\u4e32\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u62fc\u63a5\u6210<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u8fde\u63a5\u8fd0\u7b97\u7b26 + \u6216 concat() \u65b9\u6cd5\u6765\u62fc\u63a5\u5b57\u7b26\u4e32\u3002\u8981\u5c06\u591a\u4e2a\u5b57\u7b26\u4e32\u62fc\u63a5\u6210\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528 + \u8fd0\u7b97\u7b26<\/strong><\/p>\n<pre>String[] strArr = new String[] { \"Hello\", \"World\", \"!\" };\nString result = strArr[0] + \" \" + strArr[1] + \" \" + strArr[2];\nSystem.out.println(result); \/\/ \u8f93\u51fa\uff1aHello World !<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528 concat() \u65b9\u6cd5<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>String[] strArr = new String[] { \"Hello\", \"World\", \"!\" };\nStringBuilder sb = new StringBuilder();\nfor (String str : strArr) {\n    sb.append(str);\n}\nString result = sb.toString();\nSystem.out.println(result); \/\/ \u8f93\u51fa\uff1aHello World !<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u4f7f\u7528 Arrays.toString() \u65b9\u6cd5<\/strong><\/p>\n<pre>String[] strArr = new String[] { \"Hello\", \"World\", \"!\" };\nString result = Arrays.toString(strArr);\nSystem.out.println(result); \/\/ \u8f93\u51fa\uff1a[Hello, World, !]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u65b9\u6cd5\u90fd\u53ef\u4ee5\u7528\u4e8e\u5c06\u5b57\u7b26\u4e32\u62fc\u63a5\u6210\u6570\u7ec4\u3002\u5177\u4f53\u4f7f\u7528\u54ea\u79cd\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u9700\u6c42\u3002<\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u62fc\u63a5\u540e\u7684\u5b57\u7b26\u4e32\u6570\u7ec4\u662f\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\uff0c\u5b83\u4e0d\u4f1a\u5f71\u54cd\u539f\u6570\u7ec4\u4e2d\u7684\u5b57\u7b26\u4e32\u3002<\/li>\n<li>\u5982\u679c\u5c06\u6570\u5b57\u6216\u5176\u4ed6\u7c7b\u578b\u7684\u6570\u636e\u62fc\u63a5\u6210\u5b57\u7b26\u4e32\uff0c\u9700\u8981\u4f7f\u7528 String.valueOf() \u65b9\u6cd5\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u62fc\u63a5\u6210\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java\u62fc\u63a5\u6210\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u65b9\u6cd5\uff1a\u4f7f\u7528 + \u8fd0\u7b97\u7b26\u4f7f\u7528 stringbuilder \u7684 concat() \u65b9\u6cd5\u4f7f\u7528 arrays.tostring() \u65b9\u6cd5 Java \u62fc\u63a5\u6210 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u8fde\u63a5\u8fd0\u7b97\u7b26 + \u6216 concat() \u65b9\u6cd5\u6765\u62fc\u63a5\u5b57\u7b26\u4e32\u3002\u8981\u5c06\u591a\u4e2a\u5b57\u7b26\u4e32\u62fc\u63a5\u6210\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a 1. \u4f7f\u7528 + \u8fd0\u7b97\u7b26 String[] strArr = new String[] { &#8220;Hello&#8221;, &#8220;World&#8221;, &#8220;!&#8221; }; String result = strArr[0] + &#8221; &#8221; + strArr[1] + &#8221; &#8221; + strArr[2]; System.out.println(result); \/\/ \u8f93\u51fa\uff1aHello World ! \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 concat() [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-66607","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66607","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=66607"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66607\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66607"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66607"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66607"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}