{"id":37651,"date":"2024-11-26T11:17:22","date_gmt":"2024-11-26T03:17:22","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37651\/"},"modified":"2024-11-26T11:17:22","modified_gmt":"2024-11-26T03:17:22","slug":"java%e9%87%8c%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e8%a1%a8%e7%a4%ba%e5%85%a8%e9%83%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37651\/","title":{"rendered":"java\u91cc\u6570\u7ec4\u600e\u4e48\u8868\u793a\u5168\u90e8"},"content":{"rendered":"

\n java \u4e2d\u8868\u793a\u6570\u7ec4\u6709\u4e24\u79cd\u65b9\u5f0f\uff1a\u4f7f\u7528\u65b9\u62ec\u53f7\u548c\u6570\u7ec4\u5143\u7d20\u7c7b\u578b\u6307\u5b9a\u6570\u7ec4\u5927\u5c0f\u548c\u5143\u7d20\u7c7b\u578b\u3002\u4f7f\u7528 list \u63a5\u53e3\u521b\u5efa\u53ef\u81ea\u52a8\u8c03\u6574\u5927\u5c0f\u7684\u6570\u7ec4\uff0carraylist \u662f\u5176\u5177\u4f53\u5b9e\u73b0\u7c7b\uff0c\u4f7f\u7528\u6570\u7ec4\u5b58\u50a8\u5143\u7d20\u3002\n<\/p><\/blockquote>\n

\"java\u91cc\u6570\u7ec4\u600e\u4e48\u8868\u793a\u5168\u90e8\u63d2\u56fe\"<\/p>\n

Java \u4e2d\u8868\u793a\u6570\u7ec4\u7684\u65b9\u5f0f<\/strong><\/p>\n

Java \u4e2d\u53ef\u4ee5\u4f7f\u7528\u4e24\u79cd\u65b9\u5f0f\u8868\u793a\u6570\u7ec4\uff1a<\/p>\n

1. \u4f7f\u7528\u65b9\u62ec\u53f7\u548c\u6570\u7ec4\u5143\u7d20\u7c7b\u578b<\/strong><\/p>\n

int[] numbers = new int[5]; \/\/ \u58f0\u660e\u4e00\u4e2a\u53ef\u4ee5\u5bb9\u7eb3 5 \u4e2a int \u5143\u7d20\u7684\u6570\u7ec4\nString[] names = new String[5]; \/\/ \u58f0\u660e\u4e00\u4e2a\u53ef\u4ee5\u5bb9\u7eb3 5 \u4e2a String \u5143\u7d20\u7684\u6570\u7ec4<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5728\u8fd9\u79cd\u8868\u793a\u65b9\u5f0f\u4e2d\uff0c\u65b9\u62ec\u53f7\u6307\u5b9a\u6570\u7ec4\u7684\u5927\u5c0f\uff0c\u800c\u6570\u7ec4\u5143\u7d20\u7c7b\u578b\u6307\u5b9a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u7c7b\u578b\u3002<\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
2. \u4f7f\u7528 List \u63a5\u53e3<\/strong><\/p>\n
List<Integer> numbers = new ArrayList<>(); \/\/ \u58f0\u660e\u4e00\u4e2a\u53ef\u4ee5\u5bb9\u7eb3 Integer \u5143\u7d20\u7684\u53ef\u53d8\u957f\u5ea6\u6570\u7ec4\nList<String> names = new ArrayList<>(); \/\/ \u58f0\u660e\u4e00\u4e2a\u53ef\u4ee5\u5bb9\u7eb3 String \u5143\u7d20\u7684\u53ef\u53d8\u957f\u5ea6\u6570\u7ec4<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528 List \u63a5\u53e3\u53ef\u4ee5\u521b\u5efa\u53ef\u4ee5\u81ea\u52a8\u8c03\u6574\u5927\u5c0f\u7684\u6570\u7ec4\uff0c\u5e76\u4e14\u63d0\u4f9b\u4e30\u5bcc\u7684\u64cd\u4f5c\u65b9\u6cd5\u3002ArrayList \u662f List \u63a5\u53e3\u7684\u4e00\u4e2a\u5177\u4f53\u5b9e\u73b0\u7c7b\uff0c\u5b83\u4f7f\u7528\u6570\u7ec4\u6765\u5b58\u50a8\u5143\u7d20\uff0c\u5e76\u63d0\u4f9b\u6709\u6548\u7684\u63d2\u5165\u548c\u5220\u9664\u64cd\u4f5c\u3002<\/p>\n
\u793a\u4f8b<\/strong><\/p>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528\u8fd9\u4e24\u79cd\u8868\u793a\u65b9\u5f0f\u521b\u5efa\u6570\u7ec4\u5e76\u586b\u5145\u503c\u7684\u793a\u4f8b\uff1a<\/p>\n
\/\/ \u4f7f\u7528\u65b9\u62ec\u53f7\u548c\u6570\u7ec4\u5143\u7d20\u7c7b\u578b\nint[] numbers = {1, 2, 3, 4, 5}; \/\/ \u58f0\u660e\u5e76\u521d\u59cb\u5316\u4e00\u4e2a int \u6570\u7ec4\nString[] names = {\"John\", \"Mary\", \"Bob\", \"Alice\", \"Tom\"}; \/\/ \u58f0\u660e\u5e76\u521d\u59cb\u5316\u4e00\u4e2a String \u6570\u7ec4\n\n\/\/ \u4f7f\u7528 List \u63a5\u53e3\nList<Integer> numbers = List.of(1, 2, 3, 4, 5); \/\/ \u58f0\u660e\u5e76\u521d\u59cb\u5316\u4e00\u4e2a Integer \u6570\u7ec4\nList<String> names = List.of(\"John\", \"Mary\", \"Bob\", \"Alice\", \"Tom\"); \/\/ \u58f0\u660e\u5e76\u521d\u59cb\u5316\u4e00\u4e2a String \u6570\u7ec4<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662fjava\u91cc\u6570\u7ec4\u600e\u4e48\u8868\u793a\u5168\u90e8\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":"
java \u4e2d\u8868\u793a\u6570\u7ec4\u6709\u4e24\u79cd\u65b9\u5f0f\uff1a\u4f7f\u7528\u65b9\u62ec\u53f7\u548c\u6570\u7ec4\u5143\u7d20\u7c7b\u578b\u6307\u5b9a\u6570\u7ec4\u5927\u5c0f\u548c\u5143\u7d20\u7c7b\u578b\u3002\u4f7f\u7528 list \u63a5\u53e3\u521b\u5efa\u53ef\u81ea\u52a8\u8c03\u6574\u5927\u5c0f\u7684\u6570\u7ec4\uff0carraylist \u662f\u5176\u5177\u4f53\u5b9e\u73b0\u7c7b\uff0c\u4f7f\u7528\u6570\u7ec4\u5b58\u50a8\u5143\u7d20\u3002 Java \u4e2d\u8868\u793a\u6570\u7ec4\u7684\u65b9\u5f0f Java \u4e2d\u53ef\u4ee5\u4f7f\u7528\u4e24\u79cd\u65b9\u5f0f\u8868\u793a\u6570\u7ec4\uff1a 1. \u4f7f\u7528\u65b9\u62ec\u53f7\u548c\u6570\u7ec4\u5143\u7d20\u7c7b\u578b int[] numbers = new int[5]; \/\/ \u58f0\u660e\u4e00\u4e2a\u53ef\u4ee5\u5bb9\u7eb3 5 \u4e2a int \u5143\u7d20\u7684\u6570\u7ec4 String[] names = new String[5]; \/\/ \u58f0\u660e\u4e00\u4e2a\u53ef\u4ee5\u5bb9\u7eb3 5 \u4e2a String \u5143\u7d20\u7684\u6570\u7ec4 \u767b\u5f55\u540e\u590d\u5236 \u5728\u8fd9\u79cd\u8868\u793a\u65b9\u5f0f\u4e2d\uff0c\u65b9\u62ec\u53f7\u6307\u5b9a\u6570\u7ec4\u7684\u5927\u5c0f\uff0c\u800c\u6570\u7ec4\u5143\u7d20\u7c7b\u578b\u6307\u5b9a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u7c7b\u578b\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b 2. \u4f7f\u7528 List \u63a5\u53e3 List<Integer> numbers = new ArrayList<>(); \/\/ \u58f0\u660e\u4e00\u4e2a\u53ef\u4ee5\u5bb9\u7eb3 Integer \u5143\u7d20\u7684\u53ef\u53d8\u957f\u5ea6\u6570\u7ec4 List<String> names = new ArrayList<>(); \/\/ […]<\/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-37651","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37651","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=37651"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37651\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37651"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37651"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37651"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}