{"id":66659,"date":"2025-05-03T17:24:54","date_gmt":"2025-05-03T09:24:54","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66659\/"},"modified":"2025-05-03T17:24:54","modified_gmt":"2025-05-03T09:24:54","slug":"java%e4%b8%ad%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%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66659\/","title":{"rendered":"java\u4e2d\u600e\u4e48\u5b9a\u4e49\u5b57\u7b26\u4e32\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u7b54\u6848\uff1a\u5728 java \u4e2d\u5b9a\u4e49\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u9700\u9075\u5faa\uff1a\u58f0\u660e\u7c7b\u578b\u4e3a string[]\u3001\u521b\u5efa\u6570\u7ec4\u6307\u5b9a\u5927\u5c0f\u3001\u7ed9\u5143\u7d20\u8d4b\u503c\u3002\u6b65\u9aa4\uff1a\u58f0\u660e\u6570\u7ec4\u7c7b\u578b\u4e3a string[]\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\u5e76\u6307\u5b9a\u5927\u5c0f\u8d4b\u503c\u7ed9\u6570\u7ec4\u5143\u7d20\u6ce8\u610f\uff1a\u6570\u7ec4\u5927\u5c0f\u56fa\u5b9a\uff0c\u521b\u5efa\u540e\u4e0d\u53ef\u66f4\u6539\u5143\u7d20\u9ed8\u8ba4\u521d\u59cb\u5316\u4e3a null\u901a\u8fc7\u6570\u7ec4\u7d22\u5f15\u8bbf\u95ee\u5143\u7d20\u6570\u7ec4\u53ef\u4e3a\u591a\u7ef4\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111612153928438.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u600e\u4e48\u5b9a\u4e49\u5b57\u7b26\u4e32\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u4e2d\u600e\u4e48\u5b9a\u4e49\u5b57\u7b26\u4e32\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5728 Java \u4e2d\u5b9a\u4e49<\/strong><\/p>\n<p>\u5728 Java \u4e2d\u5b9a\u4e49\u5b57\u7b26\u4e32\u6570\u7ec4\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li> <strong>\u58f0\u660e\u6570\u7ec4\u7c7b\u578b\uff1a<\/strong>\u4f7f\u7528 String[] \u58f0\u660e\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u3002String \u8868\u793a\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u800c [] \u8868\u793a\u5b83\u662f\u4e00\u4e2a\u6570\u7ec4\u3002<\/li>\n<li> <strong>\u521b\u5efa\u6570\u7ec4\uff1a<\/strong>\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\u5e76\u6307\u5b9a\u5176\u5927\u5c0f\u3002\u4f8b\u5982\uff0c\u8981\u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a\u5143\u7d20\u7684\u6570\u7ec4\uff0c\u53ef\u4ee5\u5199\u6210\uff1aString[] names = new String[5];<\/li>\n<\/ol>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>\/\/ \u58f0\u660e\u4e00\u4e2a\u957f\u5ea6\u4e3a 5 \u7684\u5b57\u7b26\u4e32\u6570\u7ec4\nString[] names = new String[5];\n\n\/\/ \u7ed9\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\nnames[0] = \"John\";\nnames[1] = \"Mary\";\nnames[2] = \"Bob\";\nnames[3] = \"Alice\";\nnames[4] = \"Tom\";<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li> <strong>\u6570\u7ec4\u5927\u5c0f\u5fc5\u987b\u662f\u56fa\u5b9a\u7684\uff1a<\/strong>\u521b\u5efa\u6570\u7ec4\u65f6\uff0c\u5fc5\u987b\u6307\u5b9a\u5176\u5927\u5c0f\uff0c\u5e76\u4e14\u5728\u521b\u5efa\u540e\u4e0d\u80fd\u6539\u53d8\u3002<\/li>\n<li> <strong>\u6570\u7ec4\u5143\u7d20\u521d\u59cb\u5316\u4e3a null\uff1a<\/strong>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5b57\u7b26\u4e32\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u4f1a\u88ab\u521d\u59cb\u5316\u4e3a null\uff0c\u6240\u4ee5\u5fc5\u987b\u4e3a\u5b83\u4eec\u8d4b\u503c\u624d\u80fd\u4f7f\u7528\u3002<\/li>\n<li> <strong>\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1a<\/strong>\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u6765\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff0cnames[0] \u4f1a\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002<\/li>\n<li> <strong>\u5b57\u7b26\u4e32\u6570\u7ec4\u8fd8\u53ef\u4ee5\u662f\u591a\u7ef4\u7684\uff1a<\/strong>\u4f8b\u5982\uff0cString[][] table \u662f\u4e00\u4e2a\u4e8c\u7ef4\u5b57\u7b26\u4e32\u6570\u7ec4\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48\u5b9a\u4e49\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>\u7b54\u6848\uff1a\u5728 java \u4e2d\u5b9a\u4e49\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u9700\u9075\u5faa\uff1a\u58f0\u660e\u7c7b\u578b\u4e3a string[]\u3001\u521b\u5efa\u6570\u7ec4\u6307\u5b9a\u5927\u5c0f\u3001\u7ed9\u5143\u7d20\u8d4b\u503c\u3002\u6b65\u9aa4\uff1a\u58f0\u660e\u6570\u7ec4\u7c7b\u578b\u4e3a string[]\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\u5e76\u6307\u5b9a\u5927\u5c0f\u8d4b\u503c\u7ed9\u6570\u7ec4\u5143\u7d20\u6ce8\u610f\uff1a\u6570\u7ec4\u5927\u5c0f\u56fa\u5b9a\uff0c\u521b\u5efa\u540e\u4e0d\u53ef\u66f4\u6539\u5143\u7d20\u9ed8\u8ba4\u521d\u59cb\u5316\u4e3a null\u901a\u8fc7\u6570\u7ec4\u7d22\u5f15\u8bbf\u95ee\u5143\u7d20\u6570\u7ec4\u53ef\u4e3a\u591a\u7ef4 \u5728 Java \u4e2d\u5b9a\u4e49 \u5728 Java \u4e2d\u5b9a\u4e49\u5b57\u7b26\u4e32\u6570\u7ec4\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a \u58f0\u660e\u6570\u7ec4\u7c7b\u578b\uff1a\u4f7f\u7528 String[] \u58f0\u660e\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u3002String \u8868\u793a\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u800c [] \u8868\u793a\u5b83\u662f\u4e00\u4e2a\u6570\u7ec4\u3002 \u521b\u5efa\u6570\u7ec4\uff1a\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\u5e76\u6307\u5b9a\u5176\u5927\u5c0f\u3002\u4f8b\u5982\uff0c\u8981\u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a\u5143\u7d20\u7684\u6570\u7ec4\uff0c\u53ef\u4ee5\u5199\u6210\uff1aString[] names = new String[5]; \u793a\u4f8b\uff1a \/\/ \u58f0\u660e\u4e00\u4e2a\u957f\u5ea6\u4e3a 5 \u7684\u5b57\u7b26\u4e32\u6570\u7ec4 String[] names = new String[5]; \/\/ \u7ed9\u6570\u7ec4\u5143\u7d20\u8d4b\u503c names[0] = &#8220;John&#8221;; names[1] = &#8220;Mary&#8221;; names[2] = &#8220;Bob&#8221;; names[3] = &#8220;Alice&#8221;; names[4] = [&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-66659","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66659","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=66659"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66659\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66659"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66659"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66659"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}