{"id":65861,"date":"2025-05-03T11:51:40","date_gmt":"2025-05-03T03:51:40","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65861\/"},"modified":"2025-05-03T11:51:40","modified_gmt":"2025-05-03T03:51:40","slug":"java%e5%ad%97%e7%ac%a6%e6%95%b0%e7%bb%84%e9%95%bf%e5%ba%a6%e6%80%8e%e4%b9%88%e8%8e%b7%e5%be%97-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65861\/","title":{"rendered":"java\u5b57\u7b26\u6570\u7ec4\u957f\u5ea6\u600e\u4e48\u83b7\u5f97"},"content":{"rendered":"<blockquote><p>\n  java\u5b57\u7b26\u6570\u7ec4\u7684\u957f\u5ea6\u53ef\u4ee5\u901a\u8fc7length\u5b57\u6bb5\u83b7\u53d6\u3002\u8be5\u5b57\u6bb5\u5305\u542b\u6570\u7ec4\u4e2d\u5b57\u7b26\u5143\u7d20\u7684\u6570\u91cf\u3002\u4f7f\u7528\u65b9\u6cd5\u4e3a\uff1aint length = chararray.length;\u5176\u4e2dchararray\u662f\u8981\u67e5\u627e\u957f\u5ea6\u7684\u5b57\u7b26\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111313091590041.jpg\" class=\"aligncenter\" title=\"java\u5b57\u7b26\u6570\u7ec4\u957f\u5ea6\u600e\u4e48\u83b7\u5f97\u63d2\u56fe\" alt=\"java\u5b57\u7b26\u6570\u7ec4\u957f\u5ea6\u600e\u4e48\u83b7\u5f97\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u5b57\u7b26\u6570\u7ec4\u957f\u5ea6\u83b7\u53d6\u65b9\u6cd5<\/strong><\/p>\n<p><strong>\u95ee\u9898\uff1a\u5982\u4f55\u83b7\u5f97 Java \u5b57\u7b26\u6570\u7ec4\u7684\u957f\u5ea6\uff1f<\/strong><\/p>\n<p><strong>\u56de\u7b54\uff1a<\/strong>\u4f7f\u7528 <strong>length<\/strong> \u5b57\u6bb5\u3002<\/p>\n<p><strong>\u8be6\u7ec6\u89e3\u91ca\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>Java \u5b57\u7b26\u6570\u7ec4\u662f\u4e00\u4e2a\u56fa\u5b9a\u957f\u5ea6\u7684\u5b57\u7b26\u5e8f\u5217\u3002\u6bcf\u4e2a\u5b57\u7b26\u6570\u7ec4\u90fd\u6709\u4e00\u4e2a <strong>length<\/strong> \u5b57\u6bb5\uff0c\u5176\u5305\u542b\u6570\u7ec4\u4e2d\u5b57\u7b26\u5143\u7d20\u7684\u6570\u91cf\u3002<\/p>\n<p>\u8981\u83b7\u53d6\u5b57\u7b26\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>int length = charArray.length;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d <strong>charArray<\/strong> \u662f\u8981\u67e5\u627e\u5176\u957f\u5ea6\u7684\u5b57\u7b26\u6570\u7ec4\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>char[] characters = {'a', 'b', 'c', 'd'};\nint length = characters.length;\nSystem.out.println(\"\u5b57\u7b26\u6570\u7ec4\u7684\u957f\u5ea6\uff1a\" + length); \/\/ \u8f93\u51fa\uff1a4<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u5176\u4ed6\u4fe1\u606f\uff1a<\/strong><\/p>\n<ul>\n<li> <strong>length<\/strong> \u5b57\u6bb5\u662f\u53ea\u8bfb\u7684\u3002<\/li>\n<li>\u6539\u53d8\u5b57\u7b26\u6570\u7ec4\u7684\u5143\u7d20\u4e0d\u4f1a\u5f71\u54cd\u5176\u957f\u5ea6\u3002<\/li>\n<li>\u521b\u5efa\u65b0\u7684\u5b57\u7b26\u6570\u7ec4\u65f6\uff0c\u5176\u957f\u5ea6\u662f\u56fa\u5b9a\u7684\uff0c\u4e4b\u540e\u65e0\u6cd5\u66f4\u6539\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u5b57\u7b26\u6570\u7ec4\u957f\u5ea6\u600e\u4e48\u83b7\u5f97\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\u5b57\u7b26\u6570\u7ec4\u7684\u957f\u5ea6\u53ef\u4ee5\u901a\u8fc7length\u5b57\u6bb5\u83b7\u53d6\u3002\u8be5\u5b57\u6bb5\u5305\u542b\u6570\u7ec4\u4e2d\u5b57\u7b26\u5143\u7d20\u7684\u6570\u91cf\u3002\u4f7f\u7528\u65b9\u6cd5\u4e3a\uff1aint length = chararray.length;\u5176\u4e2dchararray\u662f\u8981\u67e5\u627e\u957f\u5ea6\u7684\u5b57\u7b26\u6570\u7ec4\u3002 Java \u5b57\u7b26\u6570\u7ec4\u957f\u5ea6\u83b7\u53d6\u65b9\u6cd5 \u95ee\u9898\uff1a\u5982\u4f55\u83b7\u5f97 Java \u5b57\u7b26\u6570\u7ec4\u7684\u957f\u5ea6\uff1f \u56de\u7b54\uff1a\u4f7f\u7528 length \u5b57\u6bb5\u3002 \u8be6\u7ec6\u89e3\u91ca\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b Java \u5b57\u7b26\u6570\u7ec4\u662f\u4e00\u4e2a\u56fa\u5b9a\u957f\u5ea6\u7684\u5b57\u7b26\u5e8f\u5217\u3002\u6bcf\u4e2a\u5b57\u7b26\u6570\u7ec4\u90fd\u6709\u4e00\u4e2a length \u5b57\u6bb5\uff0c\u5176\u5305\u542b\u6570\u7ec4\u4e2d\u5b57\u7b26\u5143\u7d20\u7684\u6570\u91cf\u3002 \u8981\u83b7\u53d6\u5b57\u7b26\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a int length = charArray.length; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d charArray \u662f\u8981\u67e5\u627e\u5176\u957f\u5ea6\u7684\u5b57\u7b26\u6570\u7ec4\u3002 \u793a\u4f8b\uff1a char[] characters = {&#8216;a&#8217;, &#8216;b&#8217;, &#8216;c&#8217;, &#8216;d&#8217;}; int length = characters.length; System.out.println(&#8220;\u5b57\u7b26\u6570\u7ec4\u7684\u957f\u5ea6\uff1a&#8221; + length); \/\/ \u8f93\u51fa\uff1a4 \u767b\u5f55\u540e\u590d\u5236 \u5176\u4ed6\u4fe1\u606f\uff1a length \u5b57\u6bb5\u662f\u53ea\u8bfb\u7684\u3002 \u6539\u53d8\u5b57\u7b26\u6570\u7ec4\u7684\u5143\u7d20\u4e0d\u4f1a\u5f71\u54cd\u5176\u957f\u5ea6\u3002 \u521b\u5efa\u65b0\u7684\u5b57\u7b26\u6570\u7ec4\u65f6\uff0c\u5176\u957f\u5ea6\u662f\u56fa\u5b9a\u7684\uff0c\u4e4b\u540e\u65e0\u6cd5\u66f4\u6539\u3002 \u4ee5\u4e0a\u5c31\u662fjava\u5b57\u7b26\u6570\u7ec4\u957f\u5ea6\u600e\u4e48\u83b7\u5f97\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-65861","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65861","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=65861"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65861\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65861"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65861"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65861"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}