{"id":66340,"date":"2025-05-03T13:58:54","date_gmt":"2025-05-03T05:58:54","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66340\/"},"modified":"2025-05-03T13:58:54","modified_gmt":"2025-05-03T05:58:54","slug":"java%e6%80%8e%e4%b9%88%e5%9c%a8%e6%96%b9%e6%b3%95%e4%b8%ad%e6%94%b9%e5%8f%98%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66340\/","title":{"rendered":"java\u600e\u4e48\u5728\u65b9\u6cd5\u4e2d\u6539\u53d8\u6570\u7ec4"},"content":{"rendered":"

\n java \u4e2d\u7684\u65b9\u6cd5\u4fee\u6539\u6570\u7ec4\u5143\u7d20\u4f1a\u6539\u53d8\u539f\u59cb\u6570\u7ec4\uff0c\u56e0\u4e3a\u6570\u7ec4\u662f\u5f15\u7528\u7c7b\u578b\uff0c\u65b9\u6cd5\u4e2d\u63a5\u6536\u7684\u662f\u539f\u59cb\u6570\u7ec4\u7684\u5f15\u7528\u3002\u4fee\u6539\u6570\u7ec4\u5143\u7d20\u7684\u65b9\u5f0f\u5305\u62ec\uff1a\u76f4\u63a5\u5206\u914d\u65b0\u503c\u4f7f\u7528\u6570\u7ec4\u7c7b\u7684\u65b9\u6cd5\uff0c\u4f8b\u5982 fill()\u904d\u5386\u6570\u7ec4\u5e76\u66f4\u65b0\u6bcf\u4e2a\u5143\u7d20\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u5728\u65b9\u6cd5\u4e2d\u6539\u53d8\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

\u5728 Java \u65b9\u6cd5\u4e2d\u6539\u53d8\u6570\u7ec4<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u65b9\u6cd5\u4e2d\u4fee\u6539\u6570\u7ec4\u5143\u7d20\u4f1a\u6539\u53d8\u539f\u59cb\u6570\u7ec4\u3002\u8fd9\u662f\u56e0\u4e3a\u6570\u7ec4\u5728 Java \u4e2d\u662f\u5f15\u7528\u7c7b\u578b\uff0c\u8fd9\u610f\u5473\u7740\u65b9\u6cd5\u63a5\u6536\u7684\u4e0d\u662f\u6570\u7ec4\u7684\u526f\u672c\uff0c\u800c\u662f\u5bf9\u539f\u59cb\u6570\u7ec4\u7684\u5f15\u7528\u3002<\/p>\n

\u8981\u6539\u53d8\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n

\u76f4\u63a5\u5206\u914d\uff1a<\/strong><\/p>\n

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

int[] arr = new int[] {1, 2, 3};\n\npublic static void changeArray(int[] arr) {\n    arr[0] = 4; \/\/ \u76f4\u63a5\u5206\u914d\u65b0\u503c\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528\u6570\u7ec4\u7c7b\u7684\u65b9\u6cd5\uff1a<\/strong><\/p>\n
int[] arr = new int[] {1, 2, 3};\n\npublic static void changeArray(int[] arr) {\n    Arrays.fill(arr, 5); \/\/ \u4f7f\u7528 fill() \u65b9\u6cd5\u586b\u5145\u6570\u7ec4\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u904d\u5386\u6570\u7ec4\uff1a<\/strong><\/p>\n
int[] arr = new int[] {1, 2, 3};\n\npublic static void changeArray(int[] arr) {\n    for (int i = 0; i < arr.length; i++) {\n        arr[i] = i + 1; \/\/ \u904d\u5386\u6570\u7ec4\u5e76\u66f4\u65b0\u6bcf\u4e2a\u5143\u7d20\n    }\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n
    \n
  • \u786e\u4fdd\u6570\u7ec4\u4e0d\u662f\u4e0d\u53ef\u53d8\u7c7b\u578b\uff0c\u4f8b\u5982 primitive \u7c7b\u578b\u6570\u7ec4\u6216 final \u6570\u7ec4\u3002<\/li>\n
  • \u5982\u679c\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u6570\u7ec4\uff0c\u5219\u8fd4\u56de\u7684\u6570\u7ec4\u4f1a\u6307\u5411\u4fee\u6539\u540e\u7684\u539f\u59cb\u6570\u7ec4\u3002<\/li>\n<\/ul>\n
    \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5728\u65b9\u6cd5\u4e2d\u6539\u53d8\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    java \u4e2d\u7684\u65b9\u6cd5\u4fee\u6539\u6570\u7ec4\u5143\u7d20\u4f1a\u6539\u53d8\u539f\u59cb\u6570\u7ec4\uff0c\u56e0\u4e3a\u6570\u7ec4\u662f\u5f15\u7528\u7c7b\u578b\uff0c\u65b9\u6cd5\u4e2d\u63a5\u6536\u7684\u662f\u539f\u59cb\u6570\u7ec4\u7684\u5f15\u7528\u3002\u4fee\u6539\u6570\u7ec4\u5143\u7d20\u7684\u65b9\u5f0f\u5305\u62ec\uff1a\u76f4\u63a5\u5206\u914d\u65b0\u503c\u4f7f\u7528\u6570\u7ec4\u7c7b\u7684\u65b9\u6cd5\uff0c\u4f8b\u5982 fill()\u904d\u5386\u6570\u7ec4\u5e76\u66f4\u65b0\u6bcf\u4e2a\u5143\u7d20 \u5728 Java \u65b9\u6cd5\u4e2d\u6539\u53d8\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u65b9\u6cd5\u4e2d\u4fee\u6539\u6570\u7ec4\u5143\u7d20\u4f1a\u6539\u53d8\u539f\u59cb\u6570\u7ec4\u3002\u8fd9\u662f\u56e0\u4e3a\u6570\u7ec4\u5728 Java \u4e2d\u662f\u5f15\u7528\u7c7b\u578b\uff0c\u8fd9\u610f\u5473\u7740\u65b9\u6cd5\u63a5\u6536\u7684\u4e0d\u662f\u6570\u7ec4\u7684\u526f\u672c\uff0c\u800c\u662f\u5bf9\u539f\u59cb\u6570\u7ec4\u7684\u5f15\u7528\u3002 \u8981\u6539\u53d8\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a \u76f4\u63a5\u5206\u914d\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] arr = new int[] {1, 2, 3}; public static void changeArray(int[] arr) { arr[0] = 4; \/\/ \u76f4\u63a5\u5206\u914d\u65b0\u503c } \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528\u6570\u7ec4\u7c7b\u7684\u65b9\u6cd5\uff1a int[] arr = new int[] {1, 2, 3}; public static void changeArray(int[] arr) { Arrays.fill(arr, 5); \/\/ \u4f7f\u7528 fill() […]<\/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-66340","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66340","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=66340"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66340\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66340"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66340"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66340"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}