{"id":34470,"date":"2024-11-26T10:06:47","date_gmt":"2024-11-26T02:06:47","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34470\/"},"modified":"2024-11-26T10:06:47","modified_gmt":"2024-11-26T02:06:47","slug":"java%e9%87%8c%e9%9d%a2%e6%80%8e%e4%b9%88%e7%a1%ae%e5%ae%9a%e6%95%b0%e7%bb%84%e7%9a%84%e5%a4%a7%e5%b0%8f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34470\/","title":{"rendered":"Java\u91cc\u9762\u600e\u4e48\u786e\u5b9a\u6570\u7ec4\u7684\u5927\u5c0f"},"content":{"rendered":"<blockquote><p>\n  \u786e\u5b9a java \u6570\u7ec4\u5927\u5c0f\u7684\u65b9\u6cd5\uff1a\u4f7f\u7528 length \u5b57\u6bb5\uff1a\u6bcf\u4e2a java \u6570\u7ec4\u90fd\u6709\u4e00\u4e2a length \u5b57\u6bb5\uff0c\u8868\u793a\u5143\u7d20\u6570\u91cf\u3002int[] myarray = {1, 2, 3, 4, 5};int arraysize = myarray.length; \/\/ arraysize \u4e3a 5\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/02\/2024110214362366550.jpg\" class=\"aligncenter\" title=\"Java\u91cc\u9762\u600e\u4e48\u786e\u5b9a\u6570\u7ec4\u7684\u5927\u5c0f\u63d2\u56fe\" alt=\"Java\u91cc\u9762\u600e\u4e48\u786e\u5b9a\u6570\u7ec4\u7684\u5927\u5c0f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u786e\u5b9a Java \u6570\u7ec4\u5927\u5c0f\u7684\u65b9\u6cd5<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u786e\u5b9a\u6570\u7ec4\u5927\u5c0f\u7684\u65b9\u6cd5\u5f88\u7b80\u5355\u660e\u4e86\uff1a<\/p>\n<p><strong>\u4f7f\u7528 length \u5b57\u6bb5\uff1a<\/strong><\/p>\n<p>\u6bcf\u4e2a Java \u6570\u7ec4\u90fd\u6709\u4e00\u4e2a\u5185\u7f6e\u7684 length \u5b57\u6bb5\uff0c\u8868\u793a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002\u8981\u83b7\u53d6\u6570\u7ec4\u7684\u5927\u5c0f\uff0c\u53ea\u9700\u4f7f\u7528 length \u5b57\u6bb5\u5373\u53ef\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] myArray = {1, 2, 3, 4, 5};\nint arraySize = myArray.length; \/\/ arraySize \u4e3a 5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p>\u4ee5\u4e0b\u4ee3\u7801\u7247\u6bb5\u6f14\u793a\u5982\u4f55\u4f7f\u7528 length \u5b57\u6bb5\u786e\u5b9a\u6570\u7ec4\u7684\u5927\u5c0f\uff1a<\/p>\n<pre>int[] numbers = {10, 20, 30, 40, 50};\nSystem.out.println(\"\u6570\u7ec4\u7684\u5927\u5c0f\uff1a \" + numbers.length);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8f93\u51fa\uff1a<\/strong><\/p>\n<pre>\u6570\u7ec4\u7684\u5927\u5c0f\uff1a 5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8bf7\u6ce8\u610f\uff0c\u6570\u7ec4\u5927\u5c0f\u5728\u521d\u59cb\u5316\u540e\u662f\u56fa\u5b9a\u7684\uff0c\u4e0d\u80fd\u88ab\u4fee\u6539\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fJava\u91cc\u9762\u600e\u4e48\u786e\u5b9a\u6570\u7ec4\u7684\u5927\u5c0f\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>\u786e\u5b9a java \u6570\u7ec4\u5927\u5c0f\u7684\u65b9\u6cd5\uff1a\u4f7f\u7528 length \u5b57\u6bb5\uff1a\u6bcf\u4e2a java \u6570\u7ec4\u90fd\u6709\u4e00\u4e2a length \u5b57\u6bb5\uff0c\u8868\u793a\u5143\u7d20\u6570\u91cf\u3002int[] myarray = {1, 2, 3, 4, 5};int arraysize = myarray.length; \/\/ arraysize \u4e3a 5 \u786e\u5b9a Java \u6570\u7ec4\u5927\u5c0f\u7684\u65b9\u6cd5 \u5728 Java \u4e2d\uff0c\u786e\u5b9a\u6570\u7ec4\u5927\u5c0f\u7684\u65b9\u6cd5\u5f88\u7b80\u5355\u660e\u4e86\uff1a \u4f7f\u7528 length \u5b57\u6bb5\uff1a \u6bcf\u4e2a Java \u6570\u7ec4\u90fd\u6709\u4e00\u4e2a\u5185\u7f6e\u7684 length \u5b57\u6bb5\uff0c\u8868\u793a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002\u8981\u83b7\u53d6\u6570\u7ec4\u7684\u5927\u5c0f\uff0c\u53ea\u9700\u4f7f\u7528 length \u5b57\u6bb5\u5373\u53ef\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] myArray = {1, 2, 3, 4, 5}; int arraySize = myArray.length; \/\/ arraySize \u4e3a [&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-34470","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34470","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=34470"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34470\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=34470"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=34470"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=34470"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}