{"id":35430,"date":"2024-11-26T11:52:10","date_gmt":"2024-11-26T03:52:10","guid":{"rendered":"https:\/\/fwq.ai\/blog\/35430\/"},"modified":"2024-11-26T11:52:10","modified_gmt":"2024-11-26T03:52:10","slug":"java%e6%80%8e%e4%b9%88%e5%88%9b%e5%bb%ba%e4%b8%80%e4%b8%aa%e7%a9%ba%e7%9a%84%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/35430\/","title":{"rendered":"java\u600e\u4e48\u521b\u5efa\u4e00\u4e2a\u7a7a\u7684\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u521b\u5efa\u7a7a\u6570\u7ec4\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 new \u5173\u952e\u5b57\uff0c\u5982 int[] emptyarray = new int[0]\uff1b\u4f7f\u7528 java \u8bed\u8a00\u7279\u6027\uff0c\u5982 int[] emptyarray = {}\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/04\/2024110402485185599.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u521b\u5efa\u4e00\u4e2a\u7a7a\u7684\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u521b\u5efa\u4e00\u4e2a\u7a7a\u7684\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u521b\u5efa\u7a7a\u6570\u7ec4\u7684\u65b9\u6cd5<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u521b\u5efa\u7a7a\u6570\u7ec4\u7684\u65b9\u5f0f\u6709\u4e24\u79cd\uff1a<strong>\u4f7f\u7528 new \u5173\u952e\u5b57<\/strong>\u6216<strong>\u4f7f\u7528 Java \u8bed\u8a00\u7279\u6027<\/strong>\u3002<\/p>\n<p><strong>1. \u4f7f\u7528 new \u5173\u952e\u5b57<\/strong><\/p>\n<pre>int[] emptyArray = new int[0];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ul>\n<li>new \u5173\u952e\u5b57\u5206\u914d\u4e00\u4e2a\u5927\u5c0f\u4e3a 0 \u7684\u65b0\u6570\u7ec4\u3002<\/li>\n<li>[] \u6307\u5b9a\u6570\u7ec4\u7684\u6570\u636e\u7c7b\u578b\u548c\u5927\u5c0f\u3002<\/li>\n<li>emptyArray \u662f\u65b0\u521b\u5efa\u7684\u7a7a\u6570\u7ec4\u7684\u5f15\u7528\u3002<\/li>\n<\/ul>\n<p><strong>2. \u4f7f\u7528 Java \u8bed\u8a00\u7279\u6027<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>Java 5 \u53ca\u66f4\u9ad8\u7248\u672c\u4e2d\u5f15\u5165\u4e86\u4e00\u4e2a\u8bed\u8a00\u7279\u6027\uff0c\u5141\u8bb8\u76f4\u63a5\u521b\u5efa\u7a7a\u6570\u7ec4\uff0c\u800c\u4e0d\u9700\u8981\u6307\u5b9a\u5927\u5c0f\uff1a<\/p>\n<pre>int[] emptyArray = {};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ul>\n<li>{} \u521b\u5efa\u4e00\u4e2a\u7a7a\u6570\u7ec4\uff0c\u6570\u636e\u7c7b\u578b\u7531\u53d8\u91cf\u7684\u7c7b\u578b\u63a8\u65ad\u3002<\/li>\n<li>emptyArray \u662f\u65b0\u521b\u5efa\u7684\u7a7a\u6570\u7ec4\u7684\u5f15\u7528\u3002<\/li>\n<\/ul>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u4e24\u79cd\u65b9\u6cd5\u521b\u5efa\u7684\u7a7a\u6570\u7ec4\u90fd\u5177\u6709\u76f8\u540c\u7684\u884c\u4e3a\u548c\u7279\u6027\u3002<\/li>\n<li>\u867d\u7136\u4f7f\u7528 Java \u8bed\u8a00\u7279\u6027\u66f4\u7b80\u6d01\uff0c\u4f46\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u7a7a\u6570\u7ec4\u5728\u65e9\u671f\u7248\u672c\u7684 Java \u4e2d\u4ecd\u7136\u662f\u5fc5\u8981\u7684\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u521b\u5efa\u4e00\u4e2a\u7a7a\u7684\u6570\u7ec4\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 \u4e2d\u521b\u5efa\u7a7a\u6570\u7ec4\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 new \u5173\u952e\u5b57\uff0c\u5982 int[] emptyarray = new int[0]\uff1b\u4f7f\u7528 java \u8bed\u8a00\u7279\u6027\uff0c\u5982 int[] emptyarray = {}\u3002 Java \u4e2d\u521b\u5efa\u7a7a\u6570\u7ec4\u7684\u65b9\u6cd5 \u5728 Java \u4e2d\uff0c\u521b\u5efa\u7a7a\u6570\u7ec4\u7684\u65b9\u5f0f\u6709\u4e24\u79cd\uff1a\u4f7f\u7528 new \u5173\u952e\u5b57\u6216\u4f7f\u7528 Java \u8bed\u8a00\u7279\u6027\u3002 1. \u4f7f\u7528 new \u5173\u952e\u5b57 int[] emptyArray = new int[0]; \u767b\u5f55\u540e\u590d\u5236 new \u5173\u952e\u5b57\u5206\u914d\u4e00\u4e2a\u5927\u5c0f\u4e3a 0 \u7684\u65b0\u6570\u7ec4\u3002 [] \u6307\u5b9a\u6570\u7ec4\u7684\u6570\u636e\u7c7b\u578b\u548c\u5927\u5c0f\u3002 emptyArray \u662f\u65b0\u521b\u5efa\u7684\u7a7a\u6570\u7ec4\u7684\u5f15\u7528\u3002 2. \u4f7f\u7528 Java \u8bed\u8a00\u7279\u6027 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b Java 5 \u53ca\u66f4\u9ad8\u7248\u672c\u4e2d\u5f15\u5165\u4e86\u4e00\u4e2a\u8bed\u8a00\u7279\u6027\uff0c\u5141\u8bb8\u76f4\u63a5\u521b\u5efa\u7a7a\u6570\u7ec4\uff0c\u800c\u4e0d\u9700\u8981\u6307\u5b9a\u5927\u5c0f\uff1a int[] emptyArray = {}; \u767b\u5f55\u540e\u590d\u5236 [&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-35430","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35430","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=35430"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35430\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=35430"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=35430"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=35430"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}