{"id":39957,"date":"2024-11-26T16:58:53","date_gmt":"2024-11-26T08:58:53","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39957\/"},"modified":"2024-11-26T16:58:53","modified_gmt":"2024-11-26T08:58:53","slug":"java%e6%80%8e%e4%b9%88%e5%b0%86%e5%ad%97%e7%ac%a6%e6%95%b0%e7%bb%84%e8%bd%ac%e5%8c%96%e4%b8%ba%e5%ad%97%e7%ac%a6%e4%b8%b2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39957\/","title":{"rendered":"java\u600e\u4e48\u5c06\u5b57\u7b26\u6570\u7ec4\u8f6c\u5316\u4e3a\u5b57\u7b26\u4e32"},"content":{"rendered":"<blockquote><p>\n  \u5c06 java \u5b57\u7b26\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 string(char[] value) \u6784\u9020\u51fd\u6570\u521b\u5efa\u5b57\u7b26\u4e32\u3002\u4f7f\u7528 stringbuilder(char[] array) \u6784\u9020\u51fd\u6570\u518d\u8c03\u7528 tostring() \u8f6c\u6362\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/17\/2024111714064585904.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5c06\u5b57\u7b26\u6570\u7ec4\u8f6c\u5316\u4e3a\u5b57\u7b26\u4e32\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5c06\u5b57\u7b26\u6570\u7ec4\u8f6c\u5316\u4e3a\u5b57\u7b26\u4e32\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5c06 Java \u5b57\u7b26\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32<\/strong><\/p>\n<p><strong>\u7b80\u4ecb\uff1a<\/strong><br \/>\u5728 Java \u4e2d\uff0c\u5c06\u5b57\u7b26\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u662f\u4e00\u79cd\u5e38\u89c1\u64cd\u4f5c\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e24\u79cd\u65b9\u6cd5\uff0c\u5206\u522b\u4f7f\u7528 String \u7c7b\u548c StringBuilder \u7c7b\u3002<\/p>\n<p><strong>\u65b9\u6cd5 1\uff1a\u4f7f\u7528 String \u7c7b<\/strong><\/p>\n<ul>\n<li>\n<p>\u4f7f\u7528 String(char[] value) \u6784\u9020\u51fd\u6570<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>char[] characters = {'H', 'e', 'l', 'l', 'o'};\nString string1 = new String(characters);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<\/ul>\n<p><strong>\u65b9\u6cd5 2\uff1a\u4f7f\u7528 StringBuilder \u7c7b<\/strong><\/p>\n<ul>\n<li>\n<p>\u4f7f\u7528 StringBuilder(char[] array) \u6784\u9020\u51fd\u6570<\/p>\n<pre>char[] characters = {'H', 'e', 'l', 'l', 'o'};\nStringBuilder stringBuilder = new StringBuilder(characters);\nString string2 = stringBuilder.toString();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>char[] characters = {'J', 'a', 'v', 'a'};\nString string1 = new String(characters);\nString string2 = new StringBuilder(characters).toString();\n\nSystem.out.println(string1); \/\/ Java\nSystem.out.println(string2); \/\/ Java<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f18\u70b9\u548c\u7f3a\u70b9\uff1a<\/strong><\/p>\n<ul>\n<li> <strong>String \u7c7b\uff1a<\/strong>\u7b80\u5355\u6613\u7528\uff0c\u4f46\u4e0d\u53ef\u53d8\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4e0d\u80fd\u88ab\u4fee\u6539\u3002<\/li>\n<li> <strong>StringBuilder \u7c7b\uff1a<\/strong>\u5141\u8bb8\u5728\u8f6c\u6362\u540e\u4fee\u6539\u5b57\u7b26\u4e32\uff0c\u9002\u5408\u9700\u8981\u8fdb\u884c\u591a\u6b21\u5b57\u7b26\u4e32\u64cd\u4f5c\u7684\u60c5\u51b5\u3002<\/li>\n<\/ul>\n<p><strong>\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\uff1a<\/strong><br \/>\u5bf9\u4e8e\u9700\u8981\u8f6c\u6362\u540e\u4fee\u6539\u5b57\u7b26\u4e32\u7684\u60c5\u51b5\uff0c\u63a8\u8350\u4f7f\u7528 StringBuilder \u7c7b\u3002\u5bf9\u4e8e\u9700\u8981\u7b80\u5355\u7684\u8f6c\u6362\u7684\u4e0d\u53ef\u53d8\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u4f7f\u7528 String \u7c7b\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5c06\u5b57\u7b26\u6570\u7ec4\u8f6c\u5316\u4e3a\u5b57\u7b26\u4e32\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 \u5b57\u7b26\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 string(char[] value) \u6784\u9020\u51fd\u6570\u521b\u5efa\u5b57\u7b26\u4e32\u3002\u4f7f\u7528 stringbuilder(char[] array) \u6784\u9020\u51fd\u6570\u518d\u8c03\u7528 tostring() \u8f6c\u6362\u3002 \u5982\u4f55\u5c06 Java \u5b57\u7b26\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32 \u7b80\u4ecb\uff1a\u5728 Java \u4e2d\uff0c\u5c06\u5b57\u7b26\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u662f\u4e00\u79cd\u5e38\u89c1\u64cd\u4f5c\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e24\u79cd\u65b9\u6cd5\uff0c\u5206\u522b\u4f7f\u7528 String \u7c7b\u548c StringBuilder \u7c7b\u3002 \u65b9\u6cd5 1\uff1a\u4f7f\u7528 String \u7c7b \u4f7f\u7528 String(char[] value) \u6784\u9020\u51fd\u6570 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b char[] characters = {&#8216;H&#8217;, &#8216;e&#8217;, &#8216;l&#8217;, &#8216;l&#8217;, &#8216;o&#8217;}; String string1 = new String(characters); \u767b\u5f55\u540e\u590d\u5236 \u65b9\u6cd5 2\uff1a\u4f7f\u7528 StringBuilder \u7c7b \u4f7f\u7528 StringBuilder(char[] array) \u6784\u9020\u51fd\u6570 char[] characters = [&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-39957","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39957","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=39957"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39957\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39957"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39957"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39957"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}