{"id":66321,"date":"2025-05-03T17:48:53","date_gmt":"2025-05-03T09:48:53","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66321\/"},"modified":"2025-05-03T17:48:53","modified_gmt":"2025-05-03T09:48:53","slug":"java%e4%b8%80%e7%bb%b4%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%88%9d%e5%a7%8b%e5%8c%96-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66321\/","title":{"rendered":"java\u4e00\u7ef4\u6570\u7ec4\u600e\u4e48\u521d\u59cb\u5316"},"content":{"rendered":"<blockquote><p>\n  \u4e00\u7ef4\u6570\u7ec4\u7684\u521d\u59cb\u5316java \u4e2d\u521d\u59cb\u5316\u4e00\u7ef4\u6570\u7ec4\u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u5f0f\uff1a\u6570\u7ec4\u5b57\u9762\u91cf\uff1a\u901a\u8fc7 {} \u521d\u59cb\u5316\u503c\u4e3a\u5df2\u77e5\u5143\u7d20\u7684\u6570\u7ec4\u3002new \u8fd0\u7b97\u7b26\uff1a\u52a8\u6001\u521b\u5efa\u6570\u7ec4\uff0c\u5e76\u6307\u5b9a\u5176\u957f\u5ea6\uff0c\u9ed8\u8ba4\u503c\u5747\u4e3a 0\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/15\/2024111507134339635.jpg\" class=\"aligncenter\" title=\"java\u4e00\u7ef4\u6570\u7ec4\u600e\u4e48\u521d\u59cb\u5316\u63d2\u56fe\" alt=\"java\u4e00\u7ef4\u6570\u7ec4\u600e\u4e48\u521d\u59cb\u5316\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e00\u7ef4\u6570\u7ec4\u7684\u521d\u59cb\u5316<\/strong><\/p>\n<p><strong>\u521d\u59cb\u5316\u4e00\u7ef4\u6570\u7ec4<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e24\u79cd\u4e3b\u8981\u65b9\u5f0f\u521d\u59cb\u5316\u4e00\u7ef4\u6570\u7ec4\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528\u6570\u7ec4\u5b57\u9762\u91cf<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u6570\u7ec4\u5b57\u9762\u91cf\u662f\u4e00\u79cd\u7b80\u6d01\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u521d\u59cb\u5316\u503c\u4e3a\u5df2\u77e5\u5143\u7d20\u7684\u6570\u7ec4\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>int[] myArray = {1, 2, 3, 4, 5};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528 new \u8fd0\u7b97\u7b26<\/strong><\/p>\n<p>new \u8fd0\u7b97\u7b26\u53ef\u4ee5\u52a8\u6001\u521b\u5efa\u6570\u7ec4\uff0c\u5e76\u6307\u5b9a\u5176\u957f\u5ea6\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>int[] myArray = new int[5];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u9ed8\u8ba4\u503c<\/strong><\/p>\n<p>\u65b0\u521b\u5efa\u7684\u6570\u7ec4\u4f1a\u521d\u59cb\u5316\u4e3a\u9ed8\u8ba4\u503c\u3002\u5bf9\u4e8e\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff0c\u9ed8\u8ba4\u503c\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u6570\u503c\u7c7b\u578b\uff08int\u3001long\u3001float\u3001double\uff09\uff1a0<\/li>\n<li>\u5e03\u5c14\u7c7b\u578b\uff08boolean\uff09\uff1afalse<\/li>\n<li>\u5b57\u7b26\u7c7b\u578b\uff08char\uff09\uff1a&#8217;u0000&#8242;<\/li>\n<\/ul>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u6570\u7ec4\u5b57\u9762\u91cf\u4e2d\u7684\u5143\u7d20\u6570\u91cf\u5fc5\u987b\u4e0e\u6570\u7ec4\u7684\u957f\u5ea6\u5339\u914d\u3002<\/li>\n<li>new \u8fd0\u7b97\u7b26\u521b\u5efa\u7684\u6570\u7ec4\u6ca1\u6709\u521d\u59cb\u5316\u5143\u7d20\uff0c\u5fc5\u987b\u901a\u8fc7\u5206\u914d\u503c\u6216\u4f7f\u7528\u5faa\u73af\u624b\u52a8\u586b\u5145\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e00\u7ef4\u6570\u7ec4\u600e\u4e48\u521d\u59cb\u5316\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>\u4e00\u7ef4\u6570\u7ec4\u7684\u521d\u59cb\u5316java \u4e2d\u521d\u59cb\u5316\u4e00\u7ef4\u6570\u7ec4\u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u5f0f\uff1a\u6570\u7ec4\u5b57\u9762\u91cf\uff1a\u901a\u8fc7 {} \u521d\u59cb\u5316\u503c\u4e3a\u5df2\u77e5\u5143\u7d20\u7684\u6570\u7ec4\u3002new \u8fd0\u7b97\u7b26\uff1a\u52a8\u6001\u521b\u5efa\u6570\u7ec4\uff0c\u5e76\u6307\u5b9a\u5176\u957f\u5ea6\uff0c\u9ed8\u8ba4\u503c\u5747\u4e3a 0\u3002 Java \u4e00\u7ef4\u6570\u7ec4\u7684\u521d\u59cb\u5316 \u521d\u59cb\u5316\u4e00\u7ef4\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e24\u79cd\u4e3b\u8981\u65b9\u5f0f\u521d\u59cb\u5316\u4e00\u7ef4\u6570\u7ec4\uff1a 1. \u4f7f\u7528\u6570\u7ec4\u5b57\u9762\u91cf \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u6570\u7ec4\u5b57\u9762\u91cf\u662f\u4e00\u79cd\u7b80\u6d01\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u521d\u59cb\u5316\u503c\u4e3a\u5df2\u77e5\u5143\u7d20\u7684\u6570\u7ec4\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a int[] myArray = {1, 2, 3, 4, 5}; \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 new \u8fd0\u7b97\u7b26 new \u8fd0\u7b97\u7b26\u53ef\u4ee5\u52a8\u6001\u521b\u5efa\u6570\u7ec4\uff0c\u5e76\u6307\u5b9a\u5176\u957f\u5ea6\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a int[] myArray = new int[5]; \u767b\u5f55\u540e\u590d\u5236 \u9ed8\u8ba4\u503c \u65b0\u521b\u5efa\u7684\u6570\u7ec4\u4f1a\u521d\u59cb\u5316\u4e3a\u9ed8\u8ba4\u503c\u3002\u5bf9\u4e8e\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff0c\u9ed8\u8ba4\u503c\u5982\u4e0b\uff1a \u6570\u503c\u7c7b\u578b\uff08int\u3001long\u3001float\u3001double\uff09\uff1a0 \u5e03\u5c14\u7c7b\u578b\uff08boolean\uff09\uff1afalse \u5b57\u7b26\u7c7b\u578b\uff08char\uff09\uff1a&#8217;u0000&#8242; \u6ce8\u610f\uff1a \u6570\u7ec4\u5b57\u9762\u91cf\u4e2d\u7684\u5143\u7d20\u6570\u91cf\u5fc5\u987b\u4e0e\u6570\u7ec4\u7684\u957f\u5ea6\u5339\u914d\u3002 new \u8fd0\u7b97\u7b26\u521b\u5efa\u7684\u6570\u7ec4\u6ca1\u6709\u521d\u59cb\u5316\u5143\u7d20\uff0c\u5fc5\u987b\u901a\u8fc7\u5206\u914d\u503c\u6216\u4f7f\u7528\u5faa\u73af\u624b\u52a8\u586b\u5145\u3002 \u4ee5\u4e0a\u5c31\u662fjava\u4e00\u7ef4\u6570\u7ec4\u600e\u4e48\u521d\u59cb\u5316\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-66321","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66321","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=66321"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66321\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66321"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66321"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66321"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}