{"id":64368,"date":"2025-05-03T16:54:37","date_gmt":"2025-05-03T08:54:37","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64368\/"},"modified":"2025-05-03T16:54:37","modified_gmt":"2025-05-03T08:54:37","slug":"java%e6%80%8e%e4%b9%88%e5%ae%9a%e4%b9%89%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%95%b0%e7%bb%84%e7%9a%84%e9%95%bf%e5%ba%a6-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64368\/","title":{"rendered":"java\u600e\u4e48\u5b9a\u4e49\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u957f\u5ea6"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\uff0c\u5b9a\u4e49\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u957f\u5ea6\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u8981\u5728\u58f0\u660e\u65f6\u6307\u5b9a\u4e00\u4e2a\u6570\u5b57\u5373\u53ef\uff0c\u4f8b\u5982\uff1astring[] names = new string[5];\u3002\u5982\u679c\u9700\u8981\u5728\u8fd0\u884c\u65f6\u5b9a\u4e49\u957f\u5ea6\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1astring[] names = new string[myarray.length];\u3002\u6570\u7ec4\u957f\u5ea6\u5728\u521b\u5efa\u540e\u4e0d\u80fd\u6539\u53d8\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u5230\u957f\u5ea6\u51cf 1 \u7ed3\u675f\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/03\/2024110307214753969.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5b9a\u4e49\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u957f\u5ea6\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5b9a\u4e49\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u957f\u5ea6\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u5b9a\u4e49\u957f\u5ea6<\/strong><\/p>\n<p><strong>\u5b9a\u4e49\u957f\u5ea6<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u5b9a\u4e49\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u957f\u5ea6\u975e\u5e38\u7b80\u5355\u3002\u53ea\u9700\u5728\u6570\u7ec4\u58f0\u660e\u65f6\u6307\u5b9a\u4e00\u4e2a\u6570\u5b57\u5373\u53ef\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>String[] names = new String[5];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u957f\u5ea6\u4e3a 5 \u7684\u5b57\u7b26\u4e32\u6570\u7ec4\u3002\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u5c06\u521d\u59cb\u5316\u4e3a null\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p><strong>\u52a8\u6001\u957f\u5ea6<\/strong><\/p>\n<p>\u6709\u65f6\uff0c\u6211\u4eec\u9700\u8981\u5728\u8fd0\u884c\u65f6\u5b9a\u4e49\u6570\u7ec4\u7684\u957f\u5ea6\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>String[] names = new String[myArray.length];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff0cmyArray \u662f\u4e00\u4e2a\u73b0\u6709\u6570\u7ec4\uff0c\u5176\u957f\u5ea6\u5c06\u7528\u4e8e\u5b9a\u4e49\u65b0\u6570\u7ec4\u7684\u957f\u5ea6\u3002<\/p>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u8ba9\u6211\u4eec\u770b\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<pre>int numStudents = 10;\nString[] studentNames = new String[numStudents];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u957f\u5ea6\u4e3a 10 \u7684\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u53ef\u4ee5\u5b58\u50a8 10 \u4e2a\u5b66\u751f\u7684\u59d3\u540d\u3002<\/p>\n<p><strong>\u91cd\u8981\u4e8b\u9879<\/strong><\/p>\n<ul>\n<li>\u6570\u7ec4\u7684\u957f\u5ea6\u5728\u521b\u5efa\u540e\u4e0d\u80fd\u6539\u53d8\u3002<\/li>\n<li>\u6570\u7ec4\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u5230\u957f\u5ea6\u51cf 1 \u7ed3\u675f\u3002<\/li>\n<li>\u8bbf\u95ee\u4e0d\u5b58\u5728\u7684\u7d22\u5f15\u4f1a\u5bfc\u81f4\u6570\u7ec4\u4e0b\u6807\u8d8a\u754c\u5f02\u5e38\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5b9a\u4e49\u7684\u957f\u5ea6\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>\u5728 java \u4e2d\uff0c\u5b9a\u4e49\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u957f\u5ea6\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u8981\u5728\u58f0\u660e\u65f6\u6307\u5b9a\u4e00\u4e2a\u6570\u5b57\u5373\u53ef\uff0c\u4f8b\u5982\uff1astring[] names = new string[5];\u3002\u5982\u679c\u9700\u8981\u5728\u8fd0\u884c\u65f6\u5b9a\u4e49\u957f\u5ea6\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1astring[] names = new string[myarray.length];\u3002\u6570\u7ec4\u957f\u5ea6\u5728\u521b\u5efa\u540e\u4e0d\u80fd\u6539\u53d8\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u5230\u957f\u5ea6\u51cf 1 \u7ed3\u675f\u3002 Java \u5b9a\u4e49\u957f\u5ea6 \u5b9a\u4e49\u957f\u5ea6 \u5728 Java \u4e2d\uff0c\u5b9a\u4e49\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u957f\u5ea6\u975e\u5e38\u7b80\u5355\u3002\u53ea\u9700\u5728\u6570\u7ec4\u58f0\u660e\u65f6\u6307\u5b9a\u4e00\u4e2a\u6570\u5b57\u5373\u53ef\u3002\u4f8b\u5982\uff1a String[] names = new String[5]; \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u957f\u5ea6\u4e3a 5 \u7684\u5b57\u7b26\u4e32\u6570\u7ec4\u3002\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u5c06\u521d\u59cb\u5316\u4e3a null\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u52a8\u6001\u957f\u5ea6 \u6709\u65f6\uff0c\u6211\u4eec\u9700\u8981\u5728\u8fd0\u884c\u65f6\u5b9a\u4e49\u6570\u7ec4\u7684\u957f\u5ea6\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a String[] names = new String[myArray.length]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0cmyArray \u662f\u4e00\u4e2a\u73b0\u6709\u6570\u7ec4\uff0c\u5176\u957f\u5ea6\u5c06\u7528\u4e8e\u5b9a\u4e49\u65b0\u6570\u7ec4\u7684\u957f\u5ea6\u3002 \u793a\u4f8b \u8ba9\u6211\u4eec\u770b\u4e00\u4e2a\u793a\u4f8b\uff1a int numStudents = 10; String[] studentNames = new String[numStudents]; \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u957f\u5ea6\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-64368","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64368","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=64368"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64368\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64368"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64368"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}