{"id":66664,"date":"2025-05-03T17:14:10","date_gmt":"2025-05-03T09:14:10","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66664\/"},"modified":"2025-05-03T17:14:10","modified_gmt":"2025-05-03T09:14:10","slug":"java%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%82%a8%e5%ad%98%e4%b8%a4%e4%b8%aa%e5%8f%98%e9%87%8f-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66664\/","title":{"rendered":"java\u6570\u7ec4\u600e\u4e48\u50a8\u5b58\u4e24\u4e2a\u53d8\u91cf"},"content":{"rendered":"

\n \u95ee\u9898\uff1a\u5982\u4f55\u5728 java \u6570\u7ec4\u4e2d\u5b58\u50a8\u4e24\u4e2a\u53d8\u91cf\uff1f\u7b54\u6848\uff1a\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\u5b58\u50a8\u4e0d\u540c\u7c7b\u578b\u7684\u5143\u7d20\u3002\u4f7f\u7528 map \u5b58\u50a8\u952e\u503c\u5bf9\uff0c\u5176\u4e2d\u952e\u5bf9\u5e94\u4e8e\u53d8\u91cf\u540d\u79f0\uff0c\u503c\u5bf9\u5e94\u4e8e\u53d8\u91cf\u503c\u3002\n<\/p><\/blockquote>\n

\"java\u6570\u7ec4\u600e\u4e48\u50a8\u5b58\u4e24\u4e2a\u53d8\u91cf\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5728 Java \u6570\u7ec4\u4e2d\u5b58\u50a8\u4e24\u4e2a\u53d8\u91cf<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u4e2a\u5355\u7c7b\u578b\u5bb9\u5668\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u53ea\u80fd\u5b58\u50a8\u540c\u4e00\u7c7b\u578b\u7684\u5143\u7d20\u3002\u5982\u679c\u9700\u8981\u5728\u6570\u7ec4\u4e2d\u5b58\u50a8\u4e24\u4e2a\u4e0d\u540c\u7c7b\u578b\u7684\u53d8\u91cf\uff0c\u5219\u9700\u8981\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\u6216\u5176\u4ed6\u6570\u636e\u7ed3\u6784\u3002<\/p>\n

\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n

\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u4e2a\u6570\u7ec4\u7684\u6570\u7ec4\uff0c\u53ef\u4ee5\u5b58\u50a8\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u3002\u8981\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\u5b58\u50a8\u4e24\u4e2a\u53d8\u91cf\uff0c\u53ef\u4ee5\u521b\u5efa\u5982\u4e0b\u6570\u7ec4\uff1a<\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

int[][] array = new int[2][2];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u4e2a\u6570\u7ec4\u6709 2 \u884c\u548c 2 \u5217\uff0c\u53ef\u4ee5\u5b58\u50a8 4 \u4e2a\u6574\u6570\u3002\u8981\u5b58\u50a8\u4e24\u4e2a\u53d8\u91cf\uff0c\u53ef\u4ee5\u5c06\u5b83\u4eec\u653e\u5165\u4e0d\u540c\u7684\u884c\u548c\u5217\u4e2d\uff1a<\/p>\n
array[0][0] = 1;  \/\/ \u7b2c\u4e00\u884c\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\narray[0][1] = 2;  \/\/ \u7b2c\u4e00\u884c\u7684\u7b2c\u4e8c\u4e2a\u5143\u7d20\narray[1][0] = 3;  \/\/ \u7b2c\u4e8c\u884c\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\narray[1][1] = 4;  \/\/ \u7b2c\u4e8c\u884c\u7684\u7b2c\u4e8c\u4e2a\u5143\u7d20<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u53d8\u91cf<\/strong><\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u53f7\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u7b2c\u4e00\u4e2a\u65b9\u62ec\u53f7\u8868\u793a\u884c\u7d22\u5f15\uff0c\u7b2c\u4e8c\u4e2a\u65b9\u62ec\u53f7\u8868\u793a\u5217\u7d22\u5f15\u3002\u4f8b\u5982\uff0c\u8981\u8bbf\u95ee\u7b2c\u4e00\u4e2a\u53d8\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n
int firstVariable = array[0][0];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4ed6\u6570\u636e\u7ed3\u6784<\/strong><\/p>\n
\u9664\u4e86\u4e8c\u7ef4\u6570\u7ec4\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u6570\u636e\u7ed3\u6784\u6765\u5b58\u50a8\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u3002\u4e00\u4e2a\u5e38\u89c1\u7684\u9009\u62e9\u662f Map\uff0c\u5b83\u5c06\u952e\u4e0e\u503c\u914d\u5bf9\u3002\u53ef\u4ee5\u4f7f\u7528 Map \u5c06\u4e24\u4e2a\u53d8\u91cf\u5b58\u50a8\u4e3a\u3002<\/p>\n
HashMap<String, Object> map = new HashMap<>();\nmap.put(\"firstVariable\", 1);\nmap.put(\"secondVariable\", 2);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u7ed3\u8bba<\/strong><\/p>\n
\u901a\u8fc7\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\u6216 Map\uff0c\u53ef\u4ee5\u5c06\u4e24\u4e2a\u4e0d\u540c\u7c7b\u578b\u7684\u53d8\u91cf\u5b58\u50a8\u5728 Java \u6570\u7ec4\u6216\u5176\u4ed6\u6570\u636e\u7ed3\u6784\u4e2d\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u600e\u4e48\u50a8\u5b58\u4e24\u4e2a\u53d8\u91cf\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u95ee\u9898\uff1a\u5982\u4f55\u5728 java \u6570\u7ec4\u4e2d\u5b58\u50a8\u4e24\u4e2a\u53d8\u91cf\uff1f\u7b54\u6848\uff1a\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\u5b58\u50a8\u4e0d\u540c\u7c7b\u578b\u7684\u5143\u7d20\u3002\u4f7f\u7528 map \u5b58\u50a8\u952e\u503c\u5bf9\uff0c\u5176\u4e2d\u952e\u5bf9\u5e94\u4e8e\u53d8\u91cf\u540d\u79f0\uff0c\u503c\u5bf9\u5e94\u4e8e\u53d8\u91cf\u503c\u3002 \u5982\u4f55\u5728 Java \u6570\u7ec4\u4e2d\u5b58\u50a8\u4e24\u4e2a\u53d8\u91cf \u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u4e2a\u5355\u7c7b\u578b\u5bb9\u5668\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u53ea\u80fd\u5b58\u50a8\u540c\u4e00\u7c7b\u578b\u7684\u5143\u7d20\u3002\u5982\u679c\u9700\u8981\u5728\u6570\u7ec4\u4e2d\u5b58\u50a8\u4e24\u4e2a\u4e0d\u540c\u7c7b\u578b\u7684\u53d8\u91cf\uff0c\u5219\u9700\u8981\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\u6216\u5176\u4ed6\u6570\u636e\u7ed3\u6784\u3002 \u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4 \u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u4e2a\u6570\u7ec4\u7684\u6570\u7ec4\uff0c\u53ef\u4ee5\u5b58\u50a8\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u3002\u8981\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\u5b58\u50a8\u4e24\u4e2a\u53d8\u91cf\uff0c\u53ef\u4ee5\u521b\u5efa\u5982\u4e0b\u6570\u7ec4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[][] array = new int[2][2]; \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u4e2a\u6570\u7ec4\u6709 2 \u884c\u548c 2 \u5217\uff0c\u53ef\u4ee5\u5b58\u50a8 4 \u4e2a\u6574\u6570\u3002\u8981\u5b58\u50a8\u4e24\u4e2a\u53d8\u91cf\uff0c\u53ef\u4ee5\u5c06\u5b83\u4eec\u653e\u5165\u4e0d\u540c\u7684\u884c\u548c\u5217\u4e2d\uff1a array[0][0] = 1; \/\/ \u7b2c\u4e00\u884c\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20 array[0][1] = 2; \/\/ \u7b2c\u4e00\u884c\u7684\u7b2c\u4e8c\u4e2a\u5143\u7d20 array[1][0] = 3; \/\/ \u7b2c\u4e8c\u884c\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20 array[1][1] = 4; \/\/ \u7b2c\u4e8c\u884c\u7684\u7b2c\u4e8c\u4e2a\u5143\u7d20 \u767b\u5f55\u540e\u590d\u5236 \u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u53d8\u91cf \u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u53f7\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u7b2c\u4e00\u4e2a\u65b9\u62ec\u53f7\u8868\u793a\u884c\u7d22\u5f15\uff0c\u7b2c\u4e8c\u4e2a\u65b9\u62ec\u53f7\u8868\u793a\u5217\u7d22\u5f15\u3002\u4f8b\u5982\uff0c\u8981\u8bbf\u95ee\u7b2c\u4e00\u4e2a\u53d8\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a int firstVariable = array[0][0]; \u767b\u5f55\u540e\u590d\u5236 […]<\/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-66664","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66664","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=66664"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66664\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66664"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66664"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66664"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}