{"id":38130,"date":"2024-11-26T12:06:53","date_gmt":"2024-11-26T04:06:53","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38130\/"},"modified":"2024-11-26T12:06:53","modified_gmt":"2024-11-26T04:06:53","slug":"java%e6%80%8e%e4%b9%88%e6%8a%8astring%e5%8f%98%e6%88%90%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38130\/","title":{"rendered":"java\u600e\u4e48\u628astring\u53d8\u6210\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u5c06 java \u4e2d\u7684 string \u8f6c\u6362\u4e3a\u6570\u7ec4\u6709\u4e09\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 tochararray() \u5c06\u5b57\u7b26\u8f6c\u6362\u4e3a char \u6570\u7ec4\u3002\u4f7f\u7528 split() \u6839\u636e\u6307\u5b9a\u5206\u9694\u7b26\u5206\u5272\u5b57\u7b26\u4e32\u3002\u4f7f\u7528 stream \u548c toarray() \u6620\u5c04\u5b57\u7b26\u5e76\u8f6c\u6362\u4e3a string \u6570\u7ec4\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111317392216684.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u628astring\u53d8\u6210\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u628astring\u53d8\u6210\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5c06 Java \u4e2d\u7684 String \u8f6c\u6362\u4e3a\u6570\u7ec4<\/strong><\/p>\n<p>\u5c06 Java \u4e2d\u7684 String \u8f6c\u6362\u4e3a\u6570\u7ec4\u6709\u4ee5\u4e0b\u4e09\u79cd\u4e3b\u8981\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528 toCharArray()<\/strong><\/p>\n<pre>String str = \"hello\";\nchar[] charArray = str.toCharArray();\n\n\/\/ \u8f93\u51fa\u5b57\u7b26\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\nfor (char c : charArray) {\n    System.out.println(c);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u65b9\u6cd5\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e2a\u5b57\u7b26\u8f6c\u6362\u4e3a char \u7c7b\u578b\u7684\u6570\u7ec4\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p><strong>2. \u4f7f\u7528 split()<\/strong><\/p>\n<pre>String str = \"hello,world,Java\";\nString[] strArray = str.split(\",\");\n\n\/\/ \u8f93\u51fa\u5b57\u7b26\u4e32\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\nfor (String s : strArray) {\n    System.out.println(s);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u65b9\u6cd5\u4f7f\u7528\u6307\u5b9a\u7684\u5206\u9694\u7b26\u5c06\u5b57\u7b26\u4e32\u5206\u5272\u6210\u3002<\/p>\n<p><strong>3. \u4f7f\u7528 Stream \u548c toArray()<\/strong><\/p>\n<pre>String str = \"hello\";\nString[] strArray = str.chars()\n        .mapToObj(c -&gt; (char) c)\n        .toArray(String[]::new);\n\n\/\/ \u8f93\u51fa\u5b57\u7b26\u4e32\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\nfor (String s : strArray) {\n    System.out.println(s);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u65b9\u6cd5\u4f7f\u7528 Stream API \u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e2a\u5b57\u7b26\u6620\u5c04\u4e3a char\uff0c\u7136\u540e\u5c06\u5176\u8f6c\u6362\u4e3a String \u5e76\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u628astring\u53d8\u6210\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5c06 java \u4e2d\u7684 string \u8f6c\u6362\u4e3a\u6570\u7ec4\u6709\u4e09\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 tochararray() \u5c06\u5b57\u7b26\u8f6c\u6362\u4e3a char \u6570\u7ec4\u3002\u4f7f\u7528 split() \u6839\u636e\u6307\u5b9a\u5206\u9694\u7b26\u5206\u5272\u5b57\u7b26\u4e32\u3002\u4f7f\u7528 stream \u548c toarray() \u6620\u5c04\u5b57\u7b26\u5e76\u8f6c\u6362\u4e3a string \u6570\u7ec4\u3002 \u5982\u4f55\u5c06 Java \u4e2d\u7684 String \u8f6c\u6362\u4e3a\u6570\u7ec4 \u5c06 Java \u4e2d\u7684 String \u8f6c\u6362\u4e3a\u6570\u7ec4\u6709\u4ee5\u4e0b\u4e09\u79cd\u4e3b\u8981\u65b9\u6cd5\uff1a 1. \u4f7f\u7528 toCharArray() String str = &#8220;hello&#8221;; char[] charArray = str.toCharArray(); \/\/ \u8f93\u51fa\u5b57\u7b26\u6570\u7ec4\u4e2d\u7684\u5143\u7d20 for (char c : charArray) { System.out.println(c); } \u767b\u5f55\u540e\u590d\u5236 \u6b64\u65b9\u6cd5\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e2a\u5b57\u7b26\u8f6c\u6362\u4e3a char \u7c7b\u578b\u7684\u6570\u7ec4\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b 2. \u4f7f\u7528 [&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-38130","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38130","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=38130"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38130\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38130"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38130"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}