{"id":37872,"date":"2024-11-26T11:02:36","date_gmt":"2024-11-26T03:02:36","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37872\/"},"modified":"2024-11-26T11:02:36","modified_gmt":"2024-11-26T03:02:36","slug":"java%e6%95%b0%e7%bb%84%e5%85%83%e7%b4%a0%e4%b8%aa%e6%95%b0%e6%80%8e%e4%b9%88%e7%9c%8b","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37872\/","title":{"rendered":"java\u6570\u7ec4\u5143\u7d20\u4e2a\u6570\u600e\u4e48\u770b"},"content":{"rendered":"<blockquote><p>\n  \u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528array_name.length\u6216array.getlength(array_name)\u4e24\u79cd\u65b9\u6cd5\u83b7\u5f97java\u6570\u7ec4\u5143\u7d20\u7684\u4e2a\u6570\uff0c\u8fd4\u56de\u503c\u4e3a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u76ee\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111312151686073.jpg\" class=\"aligncenter\" title=\"java\u6570\u7ec4\u5143\u7d20\u4e2a\u6570\u600e\u4e48\u770b\u63d2\u56fe\" alt=\"java\u6570\u7ec4\u5143\u7d20\u4e2a\u6570\u600e\u4e48\u770b\u63d2\u56fe\" \/><\/p>\n<p><strong>Java\u6570\u7ec4\u5143\u7d20\u4e2a\u6570\uff1a<\/strong><\/p>\n<p>\u8981\u83b7\u53d6Java\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u4e2a\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<p><strong>\u65b9\u6cd51\uff1a<\/strong><\/p>\n<pre>int length = array_name.length;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\nint length = numbers.length; \/\/ length = 5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u65b9\u6cd52\uff1a<\/strong><\/p>\n<pre>int length = Array.getLength(array_name);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\nint length = Array.getLength(numbers); \/\/ length = 5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u4e24\u79cd\u65b9\u6cd5\u90fd\u4f1a\u8fd4\u56de\u6570\u7ec4\u5143\u7d20\u7684\u4e2a\u6570\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u4f7f\u7528\u65b9\u6cd51\u83b7\u53d6\u5143\u7d20\u4e2a\u6570\nint length1 = numbers.length;\nSystem.out.println(\"\u5143\u7d20\u4e2a\u6570\uff08\u65b9\u6cd51\uff09\uff1a\" + length1); \/\/ \u8f93\u51fa\uff1a\u5143\u7d20\u4e2a\u6570\uff08\u65b9\u6cd51\uff09\uff1a5\n\n\/\/ \u4f7f\u7528\u65b9\u6cd52\u83b7\u53d6\u5143\u7d20\u4e2a\u6570\nint length2 = Array.getLength(numbers);\nSystem.out.println(\"\u5143\u7d20\u4e2a\u6570\uff08\u65b9\u6cd52\uff09\uff1a\" + length2); \/\/ \u8f93\u51fa\uff1a\u5143\u7d20\u4e2a\u6570\uff08\u65b9\u6cd52\uff09\uff1a5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u5143\u7d20\u4e2a\u6570\u600e\u4e48\u770b\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>\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528array_name.length\u6216array.getlength(array_name)\u4e24\u79cd\u65b9\u6cd5\u83b7\u5f97java\u6570\u7ec4\u5143\u7d20\u7684\u4e2a\u6570\uff0c\u8fd4\u56de\u503c\u4e3a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u76ee\u3002 Java\u6570\u7ec4\u5143\u7d20\u4e2a\u6570\uff1a \u8981\u83b7\u53d6Java\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u4e2a\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a \u65b9\u6cd51\uff1a int length = array_name.length; \u767b\u5f55\u540e\u590d\u5236 \u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = {1, 2, 3, 4, 5}; int length = numbers.length; \/\/ length = 5 \u767b\u5f55\u540e\u590d\u5236 \u65b9\u6cd52\uff1a int length = Array.getLength(array_name); \u767b\u5f55\u540e\u590d\u5236 \u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = {1, 2, 3, 4, 5}; int length = Array.getLength(numbers); \/\/ length = 5 \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u4e24\u79cd\u65b9\u6cd5\u90fd\u4f1a\u8fd4\u56de\u6570\u7ec4\u5143\u7d20\u7684\u4e2a\u6570\u3002 \u793a\u4f8b\uff1a [&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-37872","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37872","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=37872"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37872\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37872"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37872"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37872"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}