{"id":37030,"date":"2024-11-26T12:38:39","date_gmt":"2024-11-26T04:38:39","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37030\/"},"modified":"2024-11-26T12:38:39","modified_gmt":"2024-11-26T04:38:39","slug":"java%e6%80%8e%e4%b9%88%e6%9f%a5%e6%95%b0%e7%bb%84%e5%a4%a7%e5%b0%8f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37030\/","title":{"rendered":"JAVA\u600e\u4e48\u67e5\u6570\u7ec4\u5927\u5c0f"},"content":{"rendered":"<blockquote><p>\n  java \u6570\u7ec4\u5927\u5c0f\u53ef\u4ee5\u901a\u8fc7\u4e24\u79cd\u65b9\u6cd5\u67e5\u8be2\uff1a\u4f7f\u7528\u5185\u7f6e\u7684 length \u5c5e\u6027\u6216 java.util.arrays \u7c7b\u7684 getlength() \u65b9\u6cd5\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/12\/2024111223512318936.jpg\" class=\"aligncenter\" title=\"JAVA\u600e\u4e48\u67e5\u6570\u7ec4\u5927\u5c0f\u63d2\u56fe\" alt=\"JAVA\u600e\u4e48\u67e5\u6570\u7ec4\u5927\u5c0f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u67e5\u8be2 Java \u6570\u7ec4\u5927\u5c0f<\/strong><\/p>\n<p>Java \u4e2d\u6570\u7ec4\u7684\u5927\u5c0f\u8868\u793a\u4e3a\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u6570\u91cf\u3002\u6709\u4e24\u79cd\u7b80\u5355\u7684\u65b9\u6cd5\u53ef\u4ee5\u67e5\u8be2 Java \u6570\u7ec4\u7684\u5927\u5c0f\uff1a<\/p>\n<p><strong>\u65b9\u6cd5 1\uff1alength \u5c5e\u6027<\/strong><\/p>\n<p>\u6bcf\u4e2a\u6570\u7ec4\u90fd\u6709\u4e00\u4e2a\u540d\u4e3a length \u7684\u5185\u7f6e\u5c5e\u6027\uff0c\u8be5\u5c5e\u6027\u8fd4\u56de\u6570\u7ec4\u7684\u957f\u5ea6\u3002\u6b64\u5c5e\u6027\u662f\u53ea\u8bfb\u7684\u3002\u4f8b\u5982\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\nint size = arr.length;\nSystem.out.println(\"\u6570\u7ec4\u5927\u5c0f\uff1a\" + size); \/\/ \u8f93\u51fa\uff1a5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u65b9\u6cd5 2\uff1aArray.getLength() \u65b9\u6cd5<\/strong><\/p>\n<p>java.util.Arrays \u7c7b\u63d0\u4f9b\u4e86\u4e00\u4e2a getLength() \u65b9\u6cd5\uff0c\u5b83\u63a5\u53d7\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\u5e76\u8fd4\u56de\u5176\u957f\u5ea6\u3002\u8fd9\u662f\u4e00\u79cd\u4e0d\u5e38\u89c1\u7684\u67e5\u8be2\u6570\u7ec4\u5927\u5c0f\u7684\u65b9\u6cd5\uff0c\u4f46\u5b83\u53ef\u80fd\u5728\u67d0\u4e9b\u7279\u6b8a\u60c5\u51b5\u4e0b\u6709\u7528\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\nint size = Array.getLength(arr);\nSystem.out.println(\"\u6570\u7ec4\u5927\u5c0f\uff1a\" + size); \/\/ \u8f93\u51fa\uff1a5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fJAVA\u600e\u4e48\u67e5\u6570\u7ec4\u5927\u5c0f\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\u5927\u5c0f\u53ef\u4ee5\u901a\u8fc7\u4e24\u79cd\u65b9\u6cd5\u67e5\u8be2\uff1a\u4f7f\u7528\u5185\u7f6e\u7684 length \u5c5e\u6027\u6216 java.util.arrays \u7c7b\u7684 getlength() \u65b9\u6cd5\u3002 \u5982\u4f55\u67e5\u8be2 Java \u6570\u7ec4\u5927\u5c0f Java \u4e2d\u6570\u7ec4\u7684\u5927\u5c0f\u8868\u793a\u4e3a\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u6570\u91cf\u3002\u6709\u4e24\u79cd\u7b80\u5355\u7684\u65b9\u6cd5\u53ef\u4ee5\u67e5\u8be2 Java \u6570\u7ec4\u7684\u5927\u5c0f\uff1a \u65b9\u6cd5 1\uff1alength \u5c5e\u6027 \u6bcf\u4e2a\u6570\u7ec4\u90fd\u6709\u4e00\u4e2a\u540d\u4e3a length \u7684\u5185\u7f6e\u5c5e\u6027\uff0c\u8be5\u5c5e\u6027\u8fd4\u56de\u6570\u7ec4\u7684\u957f\u5ea6\u3002\u6b64\u5c5e\u6027\u662f\u53ea\u8bfb\u7684\u3002\u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] arr = {1, 2, 3, 4, 5}; int size = arr.length; System.out.println(&#8220;\u6570\u7ec4\u5927\u5c0f\uff1a&#8221; + size); \/\/ \u8f93\u51fa\uff1a5 \u767b\u5f55\u540e\u590d\u5236 \u65b9\u6cd5 2\uff1aArray.getLength() \u65b9\u6cd5 java.util.Arrays \u7c7b\u63d0\u4f9b\u4e86\u4e00\u4e2a getLength() \u65b9\u6cd5\uff0c\u5b83\u63a5\u53d7\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\u5e76\u8fd4\u56de\u5176\u957f\u5ea6\u3002\u8fd9\u662f\u4e00\u79cd\u4e0d\u5e38\u89c1\u7684\u67e5\u8be2\u6570\u7ec4\u5927\u5c0f\u7684\u65b9\u6cd5\uff0c\u4f46\u5b83\u53ef\u80fd\u5728\u67d0\u4e9b\u7279\u6b8a\u60c5\u51b5\u4e0b\u6709\u7528\u3002\u4f8b\u5982\uff1a int[] arr = {1, 2, 3, 4, 5}; [&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-37030","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37030","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=37030"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37030\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37030"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37030"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37030"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}