{"id":66528,"date":"2025-05-03T14:20:31","date_gmt":"2025-05-03T06:20:31","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66528\/"},"modified":"2025-05-03T14:20:31","modified_gmt":"2025-05-03T06:20:31","slug":"java%e4%b8%80%e7%bb%b4%e6%95%b0%e7%bb%84%e9%95%bf%e5%ba%a6%e6%80%8e%e4%b9%88%e6%b1%82-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66528\/","title":{"rendered":"java\u4e00\u7ef4\u6570\u7ec4\u957f\u5ea6\u600e\u4e48\u6c42"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\uff0c\u4f7f\u7528 length \u5c5e\u6027\u53ef\u4ee5\u83b7\u53d6\u4e00\u7ef4\u6570\u7ec4\u7684\u957f\u5ea6\u3002\u5982\uff1aint[] myarray = {1, 2, 3, 4, 5};int length = myarray.length; \/\/ \u8fd4\u56de\u6570\u7ec4\u7684\u957f\u5ea6\uff085\uff09\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111605460058382.jpg\" class=\"aligncenter\" title=\"java\u4e00\u7ef4\u6570\u7ec4\u957f\u5ea6\u600e\u4e48\u6c42\u63d2\u56fe\" alt=\"java\u4e00\u7ef4\u6570\u7ec4\u957f\u5ea6\u600e\u4e48\u6c42\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e00\u7ef4\u6570\u7ec4\u957f\u5ea6\u7684\u6c42\u53d6<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u4e00\u7ef4\u6570\u7ec4\u662f\u4e00\u4e2a\u8fde\u7eed\u5185\u5b58\u5757\uff0c\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u6570\u636e\u7c7b\u578b\u7684\u5143\u7d20\u3002\u6570\u7ec4\u957f\u5ea6\u8868\u793a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002<\/p>\n<p><strong>\u6c42\u53d6\u6570\u7ec4\u957f\u5ea6<\/strong><\/p>\n<p>\u83b7\u53d6\u4e00\u7ef4\u6570\u7ec4\u957f\u5ea6\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 length \u5c5e\u6027\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] myArray = {1, 2, 3, 4, 5};\nint length = myArray.length; \/\/ \u8fd4\u56de 5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u521b\u5efa\u4e00\u7ef4\u6570\u7ec4\u5e76\u83b7\u53d6\u5176\u957f\u5ea6\uff1a<\/p>\n<pre>import java.util.Arrays;\n\npublic class ArrayLength {\n\n    public static void main(String[] args) {\n        \/\/ \u521b\u5efa\u4e00\u4e2a\u4e00\u7ef4\u6570\u7ec4\n        int[] myArray = {1, 2, 3, 4, 5};\n\n        \/\/ \u4f7f\u7528 length \u5c5e\u6027\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\n        int length = myArray.length;\n\n        \/\/ \u6253\u5370\u6570\u7ec4\u957f\u5ea6\n        System.out.println(\"\u6570\u7ec4\u957f\u5ea6\uff1a\" + length);\n    }\n}<\/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>\u4ee5\u4e0a\u5c31\u662fjava\u4e00\u7ef4\u6570\u7ec4\u957f\u5ea6\u600e\u4e48\u6c42\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>\u5728 java \u4e2d\uff0c\u4f7f\u7528 length \u5c5e\u6027\u53ef\u4ee5\u83b7\u53d6\u4e00\u7ef4\u6570\u7ec4\u7684\u957f\u5ea6\u3002\u5982\uff1aint[] myarray = {1, 2, 3, 4, 5};int length = myarray.length; \/\/ \u8fd4\u56de\u6570\u7ec4\u7684\u957f\u5ea6\uff085\uff09 Java \u4e00\u7ef4\u6570\u7ec4\u957f\u5ea6\u7684\u6c42\u53d6 \u5728 Java \u4e2d\uff0c\u4e00\u7ef4\u6570\u7ec4\u662f\u4e00\u4e2a\u8fde\u7eed\u5185\u5b58\u5757\uff0c\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u6570\u636e\u7c7b\u578b\u7684\u5143\u7d20\u3002\u6570\u7ec4\u957f\u5ea6\u8868\u793a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002 \u6c42\u53d6\u6570\u7ec4\u957f\u5ea6 \u83b7\u53d6\u4e00\u7ef4\u6570\u7ec4\u957f\u5ea6\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 length \u5c5e\u6027\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] myArray = {1, 2, 3, 4, 5}; int length = myArray.length; \/\/ \u8fd4\u56de 5 \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b \u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u521b\u5efa\u4e00\u7ef4\u6570\u7ec4\u5e76\u83b7\u53d6\u5176\u957f\u5ea6\uff1a import java.util.Arrays; public class ArrayLength { public static void main(String[] [&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-66528","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66528","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=66528"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66528\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66528"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66528"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}