{"id":39451,"date":"2024-11-26T17:25:53","date_gmt":"2024-11-26T09:25:53","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39451\/"},"modified":"2024-11-26T17:25:53","modified_gmt":"2024-11-26T09:25:53","slug":"java%e6%80%8e%e4%b9%88%e6%8a%8a%e6%95%b0%e7%bb%84%e7%9a%84%e5%85%83%e7%b4%a0%e4%b8%aa%e6%95%b0%e4%b8%ba","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39451\/","title":{"rendered":"java\u600e\u4e48\u628a\u6570\u7ec4\u7684\u5143\u7d20\u4e2a\u6570\u4e3a"},"content":{"rendered":"<blockquote><p>\n  java\u4e2d\u83b7\u53d6\u6570\u7ec4\u5143\u7d20\u4e2a\u6570\u7684\u65b9\u6cd5\u6709\u4e24\u79cd\uff1a1. \u4f7f\u7528\u6570\u7ec4\u7684length\u5c5e\u6027\uff1b2. \u4f7f\u7528arrays.getlength()\u65b9\u6cd5\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111611012588243.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u628a\u6570\u7ec4\u7684\u5143\u7d20\u4e2a\u6570\u4e3a\u63d2\u56fe\" alt=\"java\u600e\u4e48\u628a\u6570\u7ec4\u7684\u5143\u7d20\u4e2a\u6570\u4e3a\u63d2\u56fe\" \/><\/p>\n<p><strong>Java\u4e2d\u83b7\u53d6\u6570\u7ec4\u5143\u7d20\u4e2a\u6570\u7684\u65b9\u6cd5<\/strong><\/p>\n<p>\u5728Java\u4e2d\uff0c\u83b7\u53d6\u6570\u7ec4\u5143\u7d20\u4e2a\u6570\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u6570\u7ec4\u7684 length \u5c5e\u6027<\/strong><\/p>\n<p>length \u5c5e\u6027\u8fd4\u56de\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u4e2a\u6570\u3002\u5b83\u662f\u6570\u7ec4\u7684\u4e00\u4e2a\u5185\u7f6e\u5c5e\u6027\uff0c\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\nint length = arr.length;\nSystem.out.println(length); \/\/ \u8f93\u51fa\uff1a5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. Arrays.getLength() \u65b9\u6cd5<\/strong><\/p>\n<p>Arrays.getLength() \u65b9\u6cd5\u8fd4\u56de\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u4e2a\u6570\u3002\u5b83\u662f\u4e00\u4e2a\u9759\u6001\u65b9\u6cd5\uff0c\u9700\u8981\u5728 Arrays \u7c7b\u4e2d\u8c03\u7528\u3002<\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\nint length = Arrays.getLength(arr);\nSystem.out.println(length); \/\/ \u8f93\u51fa\uff1a5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u628a\u6570\u7ec4\u7684\u5143\u7d20\u4e2a\u6570\u4e3a\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\u4e2d\u83b7\u53d6\u6570\u7ec4\u5143\u7d20\u4e2a\u6570\u7684\u65b9\u6cd5\u6709\u4e24\u79cd\uff1a1. \u4f7f\u7528\u6570\u7ec4\u7684length\u5c5e\u6027\uff1b2. \u4f7f\u7528arrays.getlength()\u65b9\u6cd5\u3002 Java\u4e2d\u83b7\u53d6\u6570\u7ec4\u5143\u7d20\u4e2a\u6570\u7684\u65b9\u6cd5 \u5728Java\u4e2d\uff0c\u83b7\u53d6\u6570\u7ec4\u5143\u7d20\u4e2a\u6570\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a 1. \u6570\u7ec4\u7684 length \u5c5e\u6027 length \u5c5e\u6027\u8fd4\u56de\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u4e2a\u6570\u3002\u5b83\u662f\u6570\u7ec4\u7684\u4e00\u4e2a\u5185\u7f6e\u5c5e\u6027\uff0c\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] arr = {1, 2, 3, 4, 5}; int length = arr.length; System.out.println(length); \/\/ \u8f93\u51fa\uff1a5 \u767b\u5f55\u540e\u590d\u5236 2. Arrays.getLength() \u65b9\u6cd5 Arrays.getLength() \u65b9\u6cd5\u8fd4\u56de\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u4e2a\u6570\u3002\u5b83\u662f\u4e00\u4e2a\u9759\u6001\u65b9\u6cd5\uff0c\u9700\u8981\u5728 Arrays \u7c7b\u4e2d\u8c03\u7528\u3002 int[] arr = {1, 2, 3, 4, 5}; int length = Arrays.getLength(arr); System.out.println(length); \/\/ \u8f93\u51fa\uff1a5 \u767b\u5f55\u540e\u590d\u5236 \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u628a\u6570\u7ec4\u7684\u5143\u7d20\u4e2a\u6570\u4e3a\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-39451","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39451","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=39451"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39451\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39451"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39451"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39451"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}