{"id":64624,"date":"2025-05-03T15:58:07","date_gmt":"2025-05-03T07:58:07","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64624\/"},"modified":"2025-05-03T15:58:07","modified_gmt":"2025-05-03T07:58:07","slug":"%e6%80%8e%e4%b9%88%e5%88%a4%e6%96%ad%e5%ad%97%e8%8a%82%e6%95%b0%e7%bb%84%e7%9a%84%e9%95%bf%e5%ba%a6java-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64624\/","title":{"rendered":"\u600e\u4e48\u5224\u65ad\u5b57\u8282\u6570\u7ec4\u7684\u957f\u5ea6java"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u5224\u65ad\u5b57\u8282\u6570\u7ec4\u957f\u5ea6\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 length \u5c5e\u6027\uff0c\u5b83\u7684\u503c\u8868\u793a\u5b57\u8282\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\uff0c\u800c\u4e0d\u662f\u5b57\u8282\u6570\u3002\u5bf9\u4e8e\u591a\u7ef4\u6570\u7ec4\uff0clength \u5c5e\u6027\u8fd4\u56de\u7b2c\u4e00\u7ef4\u7684\u957f\u5ea6\uff0c\u5176\u4ed6\u7ef4\u5ea6\u7684\u957f\u5ea6\u9700\u8981\u4f7f\u7528 length() \u65b9\u6cd5\u83b7\u53d6\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/04\/2024110404062447357.jpg\" class=\"aligncenter\" title=\"\u600e\u4e48\u5224\u65ad\u5b57\u8282\u6570\u7ec4\u7684\u957f\u5ea6java\u63d2\u56fe\" alt=\"\u600e\u4e48\u5224\u65ad\u5b57\u8282\u6570\u7ec4\u7684\u957f\u5ea6java\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5224\u65ad\u5b57\u8282\u6570\u7ec4\u7684\u957f\u5ea6\uff08Java\uff09<\/strong><\/p>\n<p><strong>\u5224\u65ad\u5b57\u8282\u6570\u7ec4\u957f\u5ea6\u7684\u65b9\u6cd5\uff1a<\/strong><\/p>\n<p>\u4f7f\u7528 length \u5c5e\u6027\u83b7\u53d6\u5b57\u8282\u6570\u7ec4\u7684\u957f\u5ea6\u3002<\/p>\n<p><strong>\u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>byte[] byteArray = {1, 2, 3, 4, 5};\n\nint length = byteArray.length;\n\nSystem.out.println(\"\u5b57\u8282\u6570\u7ec4\u957f\u5ea6\uff1a\" + length); \/\/ \u8f93\u51fa\uff1a5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<ul>\n<li>length \u5c5e\u6027\u8fd4\u56de\u7684\u662f\u5b57\u8282\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\uff0c\u800c\u4e0d\u662f\u5b57\u8282\u672c\u8eab\u7684\u5927\u5c0f\u3002<\/li>\n<li>\u5bf9\u4e8e\u591a\u7ef4\u6570\u7ec4\uff0clength \u5c5e\u6027\u53ea\u8fd4\u56de\u7b2c\u4e00\u7ef4\u7684\u957f\u5ea6\u3002\u8981\u83b7\u5f97\u5176\u4ed6\u7ef4\u5ea6\u7684\u957f\u5ea6\uff0c\u9700\u8981\u4f7f\u7528 length() \u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u5224\u65ad\u5b57\u8282\u6570\u7ec4\u7684\u957f\u5ea6java\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>java \u4e2d\u5224\u65ad\u5b57\u8282\u6570\u7ec4\u957f\u5ea6\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 length \u5c5e\u6027\uff0c\u5b83\u7684\u503c\u8868\u793a\u5b57\u8282\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\uff0c\u800c\u4e0d\u662f\u5b57\u8282\u6570\u3002\u5bf9\u4e8e\u591a\u7ef4\u6570\u7ec4\uff0clength \u5c5e\u6027\u8fd4\u56de\u7b2c\u4e00\u7ef4\u7684\u957f\u5ea6\uff0c\u5176\u4ed6\u7ef4\u5ea6\u7684\u957f\u5ea6\u9700\u8981\u4f7f\u7528 length() \u65b9\u6cd5\u83b7\u53d6\u3002 \u5982\u4f55\u5224\u65ad\u5b57\u8282\u6570\u7ec4\u7684\u957f\u5ea6\uff08Java\uff09 \u5224\u65ad\u5b57\u8282\u6570\u7ec4\u957f\u5ea6\u7684\u65b9\u6cd5\uff1a \u4f7f\u7528 length \u5c5e\u6027\u83b7\u53d6\u5b57\u8282\u6570\u7ec4\u7684\u957f\u5ea6\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b byte[] byteArray = {1, 2, 3, 4, 5}; int length = byteArray.length; System.out.println(&#8220;\u5b57\u8282\u6570\u7ec4\u957f\u5ea6\uff1a&#8221; + length); \/\/ \u8f93\u51fa\uff1a5 \u767b\u5f55\u540e\u590d\u5236 \u6ce8\u610f\u4e8b\u9879\uff1a length \u5c5e\u6027\u8fd4\u56de\u7684\u662f\u5b57\u8282\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\uff0c\u800c\u4e0d\u662f\u5b57\u8282\u672c\u8eab\u7684\u5927\u5c0f\u3002 \u5bf9\u4e8e\u591a\u7ef4\u6570\u7ec4\uff0clength \u5c5e\u6027\u53ea\u8fd4\u56de\u7b2c\u4e00\u7ef4\u7684\u957f\u5ea6\u3002\u8981\u83b7\u5f97\u5176\u4ed6\u7ef4\u5ea6\u7684\u957f\u5ea6\uff0c\u9700\u8981\u4f7f\u7528 length() \u65b9\u6cd5\u3002 \u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u5224\u65ad\u5b57\u8282\u6570\u7ec4\u7684\u957f\u5ea6java\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-64624","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64624","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=64624"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64624\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}