{"id":39797,"date":"2024-11-26T13:04:10","date_gmt":"2024-11-26T05:04:10","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39797\/"},"modified":"2024-11-26T13:04:10","modified_gmt":"2024-11-26T05:04:10","slug":"java%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e8%be%93%e5%85%a5%e5%ad%97%e7%ac%a6%e4%b8%b2%e7%9a%84%e9%95%bf%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39797\/","title":{"rendered":"java\u6570\u7ec4\u600e\u4e48\u8f93\u5165\u5b57\u7b26\u4e32\u7684\u957f\u5ea6"},"content":{"rendered":"<blockquote><p>\n  java \u6570\u7ec4\u83b7\u53d6\u5b57\u7b26\u4e32\u957f\u5ea6\u65b9\u6cd5\uff1a\u4f7f\u7528 string.length() \u83b7\u53d6\u5b57\u7b26\u4e32\u957f\u5ea6\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/17\/2024111710252696637.jpg\" class=\"aligncenter\" title=\"java\u6570\u7ec4\u600e\u4e48\u8f93\u5165\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u63d2\u56fe\" alt=\"java\u6570\u7ec4\u600e\u4e48\u8f93\u5165\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528 Java \u6570\u7ec4\u8f93\u5165\u5b57\u7b26\u4e32\u7684\u957f\u5ea6<\/strong><\/p>\n<p>\u8981\u8f93\u5165\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<pre>int length = string.length();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff0cstring \u662f\u8981\u8f93\u5165\u957f\u5ea6\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>String myString = \"Hello World\";\nint length = myString.length();\nSystem.out.println(length); \/\/ \u8f93\u51fa\uff1a11<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8be6\u7ec6\u8bf4\u660e\uff1a<\/strong><\/p>\n<ul>\n<li>length() \u65b9\u6cd5\u8fd4\u56de\u5b57\u7b26\u4e32\u4e2d\u5b57\u7b26\u7684\u6570\u91cf\uff0c\u4e0d\u5305\u62ec\u4efb\u4f55\u7a7a\u683c\u3002<\/li>\n<li>\u8be5\u65b9\u6cd5\u662f String \u7c7b\u7684\u4e00\u4e2a\u65b9\u6cd5\uff0c\u56e0\u6b64\u53ea\u80fd\u7528\u4e8e\u5b57\u7b26\u4e32\u5bf9\u8c61\u3002<\/li>\n<li>\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u662f\u4e0d\u53ef\u53d8\u7684\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4e00\u65e6\u521b\u5efa\u5c31\u65e0\u6cd5\u66f4\u6539\u3002<\/li>\n<li>\u7a7a\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u4e3a 0\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u600e\u4e48\u8f93\u5165\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\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>java \u6570\u7ec4\u83b7\u53d6\u5b57\u7b26\u4e32\u957f\u5ea6\u65b9\u6cd5\uff1a\u4f7f\u7528 string.length() \u83b7\u53d6\u5b57\u7b26\u4e32\u957f\u5ea6\u3002 \u5982\u4f55\u4f7f\u7528 Java \u6570\u7ec4\u8f93\u5165\u5b57\u7b26\u4e32\u7684\u957f\u5ea6 \u8981\u8f93\u5165\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a int length = string.length(); \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0cstring \u662f\u8981\u8f93\u5165\u957f\u5ea6\u7684\u5b57\u7b26\u4e32\u3002 \u793a\u4f8b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b String myString = &#8220;Hello World&#8221;; int length = myString.length(); System.out.println(length); \/\/ \u8f93\u51fa\uff1a11 \u767b\u5f55\u540e\u590d\u5236 \u8be6\u7ec6\u8bf4\u660e\uff1a length() \u65b9\u6cd5\u8fd4\u56de\u5b57\u7b26\u4e32\u4e2d\u5b57\u7b26\u7684\u6570\u91cf\uff0c\u4e0d\u5305\u62ec\u4efb\u4f55\u7a7a\u683c\u3002 \u8be5\u65b9\u6cd5\u662f String \u7c7b\u7684\u4e00\u4e2a\u65b9\u6cd5\uff0c\u56e0\u6b64\u53ea\u80fd\u7528\u4e8e\u5b57\u7b26\u4e32\u5bf9\u8c61\u3002 \u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u662f\u4e0d\u53ef\u53d8\u7684\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4e00\u65e6\u521b\u5efa\u5c31\u65e0\u6cd5\u66f4\u6539\u3002 \u7a7a\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u4e3a 0\u3002 \u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u600e\u4e48\u8f93\u5165\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/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-39797","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39797","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=39797"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39797\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39797"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39797"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39797"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}