{"id":66550,"date":"2025-05-03T17:20:35","date_gmt":"2025-05-03T09:20:35","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66550\/"},"modified":"2025-05-03T17:20:35","modified_gmt":"2025-05-03T09:20:35","slug":"java%e4%b8%ad%e6%88%91%e6%80%8e%e4%b9%88%e7%9f%a5%e9%81%93%e6%95%b0%e7%bb%84%e7%9a%84%e9%95%bf%e5%ba%a6-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66550\/","title":{"rendered":"java\u4e2d\u6211\u600e\u4e48\u77e5\u9053\u6570\u7ec4\u7684\u957f\u5ea6"},"content":{"rendered":"<blockquote><p>\n  \u53ef\u4ee5\u901a\u8fc7\u8bbf\u95ee\u6570\u7ec4\u7684\u201clength\u201d\u5c5e\u6027\u6765\u786e\u5b9a java \u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u8be5\u5c5e\u6027\u8fd4\u56de\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002\u6b64\u5916\uff0c\u6570\u7ec4\u957f\u5ea6\u53ef\u7528\u4e8e\u5faa\u73af\u904d\u5386\u6570\u7ec4\u3001\u8bbf\u95ee\u7279\u5b9a\u5143\u7d20\u3001\u5206\u914d\u5185\u5b58\u4ee5\u53ca\u4f18\u5316\u6392\u5e8f\u548c\u641c\u7d22\u7b97\u6cd5\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111606151644774.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u6211\u600e\u4e48\u77e5\u9053\u6570\u7ec4\u7684\u957f\u5ea6\u63d2\u56fe\" alt=\"java\u4e2d\u6211\u600e\u4e48\u77e5\u9053\u6570\u7ec4\u7684\u957f\u5ea6\u63d2\u56fe\" \/><\/p>\n<h2>\u5982\u4f55\u786e\u5b9a Java \u6570\u7ec4\u7684\u957f\u5ea6<\/h2>\n<p>\u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u4e2a\u5305\u542b\u76f8\u540c\u6570\u636e\u7c7b\u578b\u7684\u5143\u7d20\u7684\u6709\u5e8f\u96c6\u5408\u3002\u6570\u7ec4\u957f\u5ea6\u662f\u4e00\u4e2a\u91cd\u8981\u5c5e\u6027\uff0c\u5b83\u8868\u793a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002<\/p>\n<p><strong>\u5982\u4f55\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6<\/strong><\/p>\n<p>\u786e\u5b9a Java \u6570\u7ec4\u957f\u5ea6\u7684\u6700\u7b80\u5355\u65b9\u6cd5\u662f\u4f7f\u7528 length \u5c5e\u6027\u3002length \u5c5e\u6027\u662f\u4e00\u4e2a\u6574\u578b\u503c\uff0c\u8868\u793a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002<\/p>\n<pre>int[] myArray = {1, 2, 3, 4, 5};\nint length = myArray.length; \/\/ 5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\u7528\u4f8b<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u77e5\u9053\u6570\u7ec4\u957f\u5ea6\u5728 Java \u7f16\u7a0b\u4e2d\u5f88\u6709\u7528\u3002\u4ee5\u4e0b\u662f\u6570\u7ec4\u957f\u5ea6\u7684\u4e00\u4e9b\u5e38\u89c1\u7528\u4f8b\uff1a<\/p>\n<ul>\n<li>\u5faa\u73af\u904d\u5386\u6570\u7ec4\uff1a\u60a8\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u957f\u5ea6\u6765\u786e\u5b9a\u5faa\u73af\u7684\u8fed\u4ee3\u6b21\u6570\u3002<\/li>\n<li>\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u7279\u5b9a\u5143\u7d20\uff1a\u60a8\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u957f\u5ea6\u6765\u786e\u4fdd\u60a8\u6b63\u5728\u8bbf\u95ee\u7684\u7d22\u5f15\u6709\u6548\u3002<\/li>\n<li>\u5206\u914d\u5185\u5b58\uff1a\u5982\u679c\u60a8\u77e5\u9053\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u5219\u53ef\u4ee5\u9884\u5148\u5206\u914d\u6b63\u786e\u7684\u5185\u5b58\u91cf\u3002<\/li>\n<li>\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\u6216\u641c\u7d22\uff1a\u6570\u7ec4\u957f\u5ea6\u53ef\u7528\u4e8e\u4f18\u5316\u6392\u5e8f\u548c\u641c\u7d22\u7b97\u6cd5\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u6211\u600e\u4e48\u77e5\u9053\u6570\u7ec4\u7684\u957f\u5ea6\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>\u53ef\u4ee5\u901a\u8fc7\u8bbf\u95ee\u6570\u7ec4\u7684\u201clength\u201d\u5c5e\u6027\u6765\u786e\u5b9a java \u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u8be5\u5c5e\u6027\u8fd4\u56de\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002\u6b64\u5916\uff0c\u6570\u7ec4\u957f\u5ea6\u53ef\u7528\u4e8e\u5faa\u73af\u904d\u5386\u6570\u7ec4\u3001\u8bbf\u95ee\u7279\u5b9a\u5143\u7d20\u3001\u5206\u914d\u5185\u5b58\u4ee5\u53ca\u4f18\u5316\u6392\u5e8f\u548c\u641c\u7d22\u7b97\u6cd5\u3002 \u5982\u4f55\u786e\u5b9a Java \u6570\u7ec4\u7684\u957f\u5ea6 \u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u4e2a\u5305\u542b\u76f8\u540c\u6570\u636e\u7c7b\u578b\u7684\u5143\u7d20\u7684\u6709\u5e8f\u96c6\u5408\u3002\u6570\u7ec4\u957f\u5ea6\u662f\u4e00\u4e2a\u91cd\u8981\u5c5e\u6027\uff0c\u5b83\u8868\u793a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002 \u5982\u4f55\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6 \u786e\u5b9a Java \u6570\u7ec4\u957f\u5ea6\u7684\u6700\u7b80\u5355\u65b9\u6cd5\u662f\u4f7f\u7528 length \u5c5e\u6027\u3002length \u5c5e\u6027\u662f\u4e00\u4e2a\u6574\u578b\u503c\uff0c\u8868\u793a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002 int[] myArray = {1, 2, 3, 4, 5}; int length = myArray.length; \/\/ 5 \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b\u7528\u4f8b \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u77e5\u9053\u6570\u7ec4\u957f\u5ea6\u5728 Java \u7f16\u7a0b\u4e2d\u5f88\u6709\u7528\u3002\u4ee5\u4e0b\u662f\u6570\u7ec4\u957f\u5ea6\u7684\u4e00\u4e9b\u5e38\u89c1\u7528\u4f8b\uff1a \u5faa\u73af\u904d\u5386\u6570\u7ec4\uff1a\u60a8\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u957f\u5ea6\u6765\u786e\u5b9a\u5faa\u73af\u7684\u8fed\u4ee3\u6b21\u6570\u3002 \u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u7279\u5b9a\u5143\u7d20\uff1a\u60a8\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u957f\u5ea6\u6765\u786e\u4fdd\u60a8\u6b63\u5728\u8bbf\u95ee\u7684\u7d22\u5f15\u6709\u6548\u3002 \u5206\u914d\u5185\u5b58\uff1a\u5982\u679c\u60a8\u77e5\u9053\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u5219\u53ef\u4ee5\u9884\u5148\u5206\u914d\u6b63\u786e\u7684\u5185\u5b58\u91cf\u3002 \u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\u6216\u641c\u7d22\uff1a\u6570\u7ec4\u957f\u5ea6\u53ef\u7528\u4e8e\u4f18\u5316\u6392\u5e8f\u548c\u641c\u7d22\u7b97\u6cd5\u3002 \u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u6211\u600e\u4e48\u77e5\u9053\u6570\u7ec4\u7684\u957f\u5ea6\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/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-66550","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66550","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=66550"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66550\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66550"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66550"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66550"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}