{"id":39362,"date":"2024-11-26T15:32:14","date_gmt":"2024-11-26T07:32:14","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39362\/"},"modified":"2024-11-26T15:32:14","modified_gmt":"2024-11-26T07:32:14","slug":"%e6%80%8e%e4%b9%88%e5%9c%a8java%e4%b8%ad%e8%be%93%e5%87%ba%e6%95%b0%e7%bb%84%e7%9a%84%e9%95%bf%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39362\/","title":{"rendered":"\u600e\u4e48\u5728java\u4e2d\u8f93\u51fa\u6570\u7ec4\u7684\u957f\u5ea6"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 length \u53d8\u91cf\u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u5e76\u901a\u8fc7 system.out.println() \u65b9\u6cd5\u5c06 length \u53d8\u91cf\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u3002\u4f8b\u5982\uff1aint[] numbers = {1, 2, 3, 4, 5}; system.out.println(numbers.length); \u8f93\u51fa\u4e3a\uff1a5\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111606520965182.jpg\" class=\"aligncenter\" title=\"\u600e\u4e48\u5728java\u4e2d\u8f93\u51fa\u6570\u7ec4\u7684\u957f\u5ea6\u63d2\u56fe\" alt=\"\u600e\u4e48\u5728java\u4e2d\u8f93\u51fa\u6570\u7ec4\u7684\u957f\u5ea6\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u8f93\u51fa\u6570\u7ec4\u7684\u957f\u5ea6<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\u6765\u8f93\u51fa\u6570\u7ec4\u7684\u957f\u5ea6\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u4f7f\u7528 length \u53d8\u91cf\uff1a<\/strong><\/p>\n<p>\u6bcf\u4e2a\u6570\u7ec4\u90fd\u6709\u4e00\u4e2a\u5185\u7f6e\u53d8\u91cf length\uff0c\u7528\u4e8e\u5b58\u50a8\u6570\u7ec4\u5143\u7d20\u7684\u6570\u91cf\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<\/li>\n<li>\n<p><strong>\u4f7f\u7528 System.out.println() \u65b9\u6cd5\uff1a<\/strong><\/p>\n<p>System.out.println() \u65b9\u6cd5\u7528\u4e8e\u5728\u63a7\u5236\u53f0\u4e2d\u8f93\u51fa\u6570\u636e\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5c06 length \u53d8\u91cf\u4f20\u9012\u7ed9 System.out.println() \u65b9\u6cd5\uff1a<\/strong><\/p>\n<p>\u5982\u4e0b\u6240\u793a\u5c06 length \u53d8\u91cf\u4f20\u9012\u7ed9 System.out.println() \u65b9\u6cd5\uff1a<\/p>\n<pre>System.out.println(array.length);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<\/ol>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u8f93\u51fa\u6570\u7ec4\u957f\u5ea6\nSystem.out.println(numbers.length);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8f93\u51fa\uff1a<\/strong><\/p>\n<pre>5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u5728java\u4e2d\u8f93\u51fa\u6570\u7ec4\u7684\u957f\u5ea6\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>\u5728 java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 length \u53d8\u91cf\u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u5e76\u901a\u8fc7 system.out.println() \u65b9\u6cd5\u5c06 length \u53d8\u91cf\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u3002\u4f8b\u5982\uff1aint[] numbers = {1, 2, 3, 4, 5}; system.out.println(numbers.length); \u8f93\u51fa\u4e3a\uff1a5 \u5982\u4f55\u5728 Java \u4e2d\u8f93\u51fa\u6570\u7ec4\u7684\u957f\u5ea6 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\u6765\u8f93\u51fa\u6570\u7ec4\u7684\u957f\u5ea6\uff1a \u4f7f\u7528 length \u53d8\u91cf\uff1a \u6bcf\u4e2a\u6570\u7ec4\u90fd\u6709\u4e00\u4e2a\u5185\u7f6e\u53d8\u91cf length\uff0c\u7528\u4e8e\u5b58\u50a8\u6570\u7ec4\u5143\u7d20\u7684\u6570\u91cf\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4f7f\u7528 System.out.println() \u65b9\u6cd5\uff1a System.out.println() \u65b9\u6cd5\u7528\u4e8e\u5728\u63a7\u5236\u53f0\u4e2d\u8f93\u51fa\u6570\u636e\u3002 \u5c06 length \u53d8\u91cf\u4f20\u9012\u7ed9 System.out.println() \u65b9\u6cd5\uff1a \u5982\u4e0b\u6240\u793a\u5c06 length \u53d8\u91cf\u4f20\u9012\u7ed9 System.out.println() \u65b9\u6cd5\uff1a System.out.println(array.length); \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b\uff1a int[] numbers = {1, 2, 3, 4, [&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-39362","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39362","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=39362"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39362\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39362"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39362"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}