{"id":65410,"date":"2025-05-03T12:40:16","date_gmt":"2025-05-03T04:40:16","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65410\/"},"modified":"2025-05-03T12:40:16","modified_gmt":"2025-05-03T04:40:16","slug":"java%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e6%b5%8b%e9%95%bf%e5%ba%a6-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65410\/","title":{"rendered":"java\u6570\u7ec4\u600e\u4e48\u6d4b\u957f\u5ea6"},"content":{"rendered":"<blockquote><p>\n  java\u6570\u7ec4\u957f\u5ea6\u83b7\u53d6\uff1a\u4f7f\u7528\u5185\u7f6e\u51fd\u6570length()\uff0c\u8fd4\u56de\u503c\u4e3a\u6570\u7ec4\u4e2d\u5143\u7d20\u6570\u91cf\uff0c\u4f8b\u5982\uff1aint[] numbers = {1, 2, 3, 4, 5};int length = numbers.length;system.out.println(&#8220;\u6570\u7ec4\u957f\u5ea6\uff1a&#8221; + length);\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/12\/2024111223552494475.jpg\" class=\"aligncenter\" title=\"java\u6570\u7ec4\u600e\u4e48\u6d4b\u957f\u5ea6\u63d2\u56fe\" alt=\"java\u6570\u7ec4\u600e\u4e48\u6d4b\u957f\u5ea6\u63d2\u56fe\" \/><\/p>\n<p><strong>Java\u6570\u7ec4\u957f\u5ea6\u83b7\u53d6<\/strong><\/p>\n<p>Java\u6570\u7ec4\u662f\u4e00\u4e2a\u56fa\u5b9a\u5927\u5c0f\u7684\u5bf9\u8c61\u96c6\u5408\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u5177\u6709\u76f8\u540c\u7684\u6570\u636e\u7c7b\u578b\u3002\u8981\u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u51fd\u6570 length\u3002<\/p>\n<p><strong>\u4f7f\u7528\u65b9\u6cd5\uff1a<\/strong><\/p>\n<p>int length()<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p><strong>\u8fd4\u56de\u503c\uff1a<\/strong><\/p>\n<p>int\uff0c\u8868\u793a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\nint length = numbers.length;\nSystem.out.println(\"\u6570\u7ec4\u957f\u5ea6\uff1a\" + length);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>\u6570\u7ec4\u957f\u5ea6\uff1a5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0clength \u5c5e\u6027\u662f\u6570\u7ec4\u5bf9\u8c61\u7684\u4e00\u4e2a\u5e38\u91cf\uff0c\u56e0\u6b64\u4e0d\u80fd\u88ab\u4fee\u6539\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u600e\u4e48\u6d4b\u957f\u5ea6\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\u6570\u7ec4\u957f\u5ea6\u83b7\u53d6\uff1a\u4f7f\u7528\u5185\u7f6e\u51fd\u6570length()\uff0c\u8fd4\u56de\u503c\u4e3a\u6570\u7ec4\u4e2d\u5143\u7d20\u6570\u91cf\uff0c\u4f8b\u5982\uff1aint[] numbers = {1, 2, 3, 4, 5};int length = numbers.length;system.out.println(&#8220;\u6570\u7ec4\u957f\u5ea6\uff1a&#8221; + length); Java\u6570\u7ec4\u957f\u5ea6\u83b7\u53d6 Java\u6570\u7ec4\u662f\u4e00\u4e2a\u56fa\u5b9a\u5927\u5c0f\u7684\u5bf9\u8c61\u96c6\u5408\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u5177\u6709\u76f8\u540c\u7684\u6570\u636e\u7c7b\u578b\u3002\u8981\u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u51fd\u6570 length\u3002 \u4f7f\u7528\u65b9\u6cd5\uff1a int length() \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u8fd4\u56de\u503c\uff1a int\uff0c\u8868\u793a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002 \u793a\u4f8b\uff1a int[] numbers = {1, 2, 3, 4, 5}; int length = numbers.length; System.out.println(&#8220;\u6570\u7ec4\u957f\u5ea6\uff1a&#8221; + length); \u767b\u5f55\u540e\u590d\u5236 \u8f93\u51fa\uff1a \u6570\u7ec4\u957f\u5ea6\uff1a5 \u767b\u5f55\u540e\u590d\u5236 \u9700\u8981\u6ce8\u610f\u7684\u662f\uff0clength \u5c5e\u6027\u662f\u6570\u7ec4\u5bf9\u8c61\u7684\u4e00\u4e2a\u5e38\u91cf\uff0c\u56e0\u6b64\u4e0d\u80fd\u88ab\u4fee\u6539\u3002 \u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u600e\u4e48\u6d4b\u957f\u5ea6\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\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-65410","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65410","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=65410"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65410\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65410"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65410"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}