{"id":37338,"date":"2024-11-26T10:25:15","date_gmt":"2024-11-26T02:25:15","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37338\/"},"modified":"2024-11-26T10:25:15","modified_gmt":"2024-11-26T02:25:15","slug":"java%e6%80%8e%e4%b9%88%e5%8f%96%e6%95%b0%e7%bb%84%e9%95%bf%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37338\/","title":{"rendered":"JAVA\u600e\u4e48\u53d6\u6570\u7ec4\u957f\u5ea6"},"content":{"rendered":"<blockquote><p>\n  java \u6570\u7ec4\u957f\u5ea6\u53ef\u4ee5\u901a\u8fc7 length \u5c5e\u6027\u76f4\u63a5\u83b7\u53d6\uff0c\u8bed\u6cd5\uff1aarrayname.length\uff0c\u5176\u4e2d arrayname \u8868\u793a\u8981\u83b7\u53d6\u957f\u5ea6\u7684\u6570\u7ec4\u540d\u79f0\u3002\u793a\u4f8b\uff1aint[] numbers = {1, 2, 3, 4, 5}; int arraylength = numbers.length;\uff0c\u5219 arraylength \u4e3a 5\u3002\u6ce8\u610f\uff1alength \u5c5e\u6027\u662f\u53ea\u8bfb\u5c5e\u6027\uff0c\u6570\u7ec4\u957f\u5ea6\u521b\u5efa\u65f6\u786e\u5b9a\uff0c\u4e14\u4e0d\u53ef\u4fee\u6539\u3002\u5bf9\u4e8e\u591a\u7ef4\u6570\u7ec4\uff0clength \u5c5e\u6027\u83b7\u53d6\u7b2c\u4e00\u7ef4\u7684\u957f\u5ea6\uff0c\u5176\u4ed6\u7ef4\u5ea6\u957f\u5ea6\u9700\u4f7f\u7528 length() \u65b9\u6cd5\u83b7\u53d6\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111304091484888.jpg\" class=\"aligncenter\" title=\"JAVA\u600e\u4e48\u53d6\u6570\u7ec4\u957f\u5ea6\u63d2\u56fe\" alt=\"JAVA\u600e\u4e48\u53d6\u6570\u7ec4\u957f\u5ea6\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u6570\u7ec4\u957f\u5ea6\u7684\u83b7\u53d6<\/strong><\/p>\n<p>Java \u4e2d\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\u975e\u5e38\u7b80\u5355\uff0c\u53ef\u4ee5\u901a\u8fc7 length \u5c5e\u6027\u76f4\u63a5\u83b7\u53d6\u3002<\/p>\n<p><strong>\u8bed\u6cd5\uff1a<\/strong><\/p>\n<pre>arrayName.length<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>arrayName \u8868\u793a\u8981\u83b7\u53d6\u957f\u5ea6\u7684\u6570\u7ec4\u540d\u79f0\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\nint arrayLength = numbers.length; \/\/ arrayLength = 5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>length \u5c5e\u6027\u662f\u6570\u7ec4\u7684\u4e00\u4e2a\u53ea\u8bfb\u5c5e\u6027\uff0c\u4e0d\u80fd\u4fee\u6539\u3002<\/li>\n<li>\u6570\u7ec4\u957f\u5ea6\u5728\u521b\u5efa\u65f6\u786e\u5b9a\uff0c\u5e76\u4e14\u5728\u6570\u7ec4\u751f\u547d\u5468\u671f\u5185\u4fdd\u6301\u4e0d\u53d8\u3002<\/li>\n<li>\u5bf9\u4e8e\u591a\u7ef4\u6570\u7ec4\uff0clength \u5c5e\u6027\u83b7\u53d6\u7684\u662f\u7b2c\u4e00\u7ef4\u7684\u957f\u5ea6\u3002\u82e5\u8981\u83b7\u53d6\u5176\u4ed6\u7ef4\u5ea6\u7684\u957f\u5ea6\uff0c\u9700\u8981\u4f7f\u7528 length() \u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fJAVA\u600e\u4e48\u53d6\u6570\u7ec4\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>java \u6570\u7ec4\u957f\u5ea6\u53ef\u4ee5\u901a\u8fc7 length \u5c5e\u6027\u76f4\u63a5\u83b7\u53d6\uff0c\u8bed\u6cd5\uff1aarrayname.length\uff0c\u5176\u4e2d arrayname \u8868\u793a\u8981\u83b7\u53d6\u957f\u5ea6\u7684\u6570\u7ec4\u540d\u79f0\u3002\u793a\u4f8b\uff1aint[] numbers = {1, 2, 3, 4, 5}; int arraylength = numbers.length;\uff0c\u5219 arraylength \u4e3a 5\u3002\u6ce8\u610f\uff1alength \u5c5e\u6027\u662f\u53ea\u8bfb\u5c5e\u6027\uff0c\u6570\u7ec4\u957f\u5ea6\u521b\u5efa\u65f6\u786e\u5b9a\uff0c\u4e14\u4e0d\u53ef\u4fee\u6539\u3002\u5bf9\u4e8e\u591a\u7ef4\u6570\u7ec4\uff0clength \u5c5e\u6027\u83b7\u53d6\u7b2c\u4e00\u7ef4\u7684\u957f\u5ea6\uff0c\u5176\u4ed6\u7ef4\u5ea6\u957f\u5ea6\u9700\u4f7f\u7528 length() \u65b9\u6cd5\u83b7\u53d6\u3002 Java \u6570\u7ec4\u957f\u5ea6\u7684\u83b7\u53d6 Java \u4e2d\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\u975e\u5e38\u7b80\u5355\uff0c\u53ef\u4ee5\u901a\u8fc7 length \u5c5e\u6027\u76f4\u63a5\u83b7\u53d6\u3002 \u8bed\u6cd5\uff1a arrayName.length \u767b\u5f55\u540e\u590d\u5236 arrayName \u8868\u793a\u8981\u83b7\u53d6\u957f\u5ea6\u7684\u6570\u7ec4\u540d\u79f0\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u793a\u4f8b\uff1a int[] numbers = {1, 2, 3, 4, 5}; int arrayLength = numbers.length; \/\/ arrayLength = 5 \u767b\u5f55\u540e\u590d\u5236 \u6ce8\u610f\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-37338","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37338","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=37338"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37338\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37338"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}