{"id":66796,"date":"2025-05-03T13:40:47","date_gmt":"2025-05-03T05:40:47","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66796\/"},"modified":"2025-05-03T13:40:47","modified_gmt":"2025-05-03T05:40:47","slug":"java%e6%80%8e%e4%b9%88%e7%bb%99%e4%b8%80%e4%b8%aa%e6%95%b0%e7%bb%84%e8%b5%8b%e5%80%bc-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66796\/","title":{"rendered":"java\u600e\u4e48\u7ed9\u4e00\u4e2a\u6570\u7ec4\u8d4b\u503c"},"content":{"rendered":"

\n \u6709 5 \u79cd\u7ed9 java \u6570\u7ec4\u8d4b\u503c\u7684\u65b9\u6cd5\uff1a\u76f4\u63a5\u8d4b\u503c\uff1a\u901a\u8fc7\u7d22\u5f15\u7ed9\u5143\u7d20\u8d4b\u503c\u3002\u6570\u7ec4\u521d\u59cb\u5316\uff1a\u5728\u58f0\u660e\u6570\u7ec4\u65f6\u76f4\u63a5\u8d4b\u503c\u3002\u901a\u8fc7\u5faa\u73af\u8d4b\u503c\uff1a\u4f7f\u7528\u5faa\u73af\u5bf9\u6240\u6709\u5143\u7d20\u4f9d\u6b21\u8d4b\u503c\u3002\u4f7f\u7528 arrays.fill()\uff1a\u5c06\u6570\u7ec4\u6240\u6709\u5143\u7d20\u586b\u5145\u4e3a\u6307\u5b9a\u503c\u3002\u4f7f\u7528 system.arraycopy()\uff1a\u5c06\u53e6\u4e00\u4e2a\u6570\u7ec4\u6216\u5176\u4e00\u90e8\u5206\u590d\u5236\u5230\u76ee\u6807\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u7ed9\u4e00\u4e2a\u6570\u7ec4\u8d4b\u503c\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u7ed9 Java \u6570\u7ec4\u8d4b\u503c<\/strong><\/p>\n

\u76f4\u63a5\u8d4b\u503c<\/strong><\/p>\n

\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u901a\u8fc7\u7d22\u5f15\u76f4\u63a5\u7ed9\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\uff1a<\/p>\n

int[] arr = new int[5];\narr[0] = 10;\narr[1] = 20;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6570\u7ec4\u521d\u59cb\u5316<\/strong><\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
\u4f7f\u7528\u521d\u59cb\u5316\u8bed\u6cd5\u5728\u6570\u7ec4\u58f0\u660e\u65f6\u76f4\u63a5\u8d4b\u503c\uff1a<\/p>\n
int[] arr = {10, 20, 30, 40, 50};<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u901a\u8fc7\u5faa\u73af\u8d4b\u503c<\/strong><\/p>\n
\u4f7f\u7528\u5faa\u73af\u53ef\u4ee5\u4e00\u6b21\u6027\u5bf9\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20\u8d4b\u503c\uff1a<\/p>\n
int[] arr = new int[5];\nfor (int i = 0; i < arr.length; i++) {\n    arr[i] = i * 10;\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528 Arrays.fill()<\/strong><\/p>\n
Arrays.fill() \u65b9\u6cd5\u53ef\u4ee5\u5c06\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20\u586b\u5145\u4e3a\u6307\u5b9a\u503c\uff1a<\/p>\n
int[] arr = new int[5];\nArrays.fill(arr, 10);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528 System.arraycopy()<\/strong><\/p>\n
System.arraycopy() \u65b9\u6cd5\u53ef\u4ee5\u5c06\u53e6\u4e00\u4e2a\u6570\u7ec4\u6216\u6570\u7ec4\u7684\u4e00\u90e8\u5206\u590d\u5236\u5230\u76ee\u6807\u6570\u7ec4\uff1a<\/p>\n
int[] arr1 = {10, 20, 30};\nint[] arr2 = new int[5];\nSystem.arraycopy(arr1, 0, arr2, 0, arr1.length);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u7ed9\u4e00\u4e2a\u6570\u7ec4\u8d4b\u503c\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6709 5 \u79cd\u7ed9 java \u6570\u7ec4\u8d4b\u503c\u7684\u65b9\u6cd5\uff1a\u76f4\u63a5\u8d4b\u503c\uff1a\u901a\u8fc7\u7d22\u5f15\u7ed9\u5143\u7d20\u8d4b\u503c\u3002\u6570\u7ec4\u521d\u59cb\u5316\uff1a\u5728\u58f0\u660e\u6570\u7ec4\u65f6\u76f4\u63a5\u8d4b\u503c\u3002\u901a\u8fc7\u5faa\u73af\u8d4b\u503c\uff1a\u4f7f\u7528\u5faa\u73af\u5bf9\u6240\u6709\u5143\u7d20\u4f9d\u6b21\u8d4b\u503c\u3002\u4f7f\u7528 arrays.fill()\uff1a\u5c06\u6570\u7ec4\u6240\u6709\u5143\u7d20\u586b\u5145\u4e3a\u6307\u5b9a\u503c\u3002\u4f7f\u7528 system.arraycopy()\uff1a\u5c06\u53e6\u4e00\u4e2a\u6570\u7ec4\u6216\u5176\u4e00\u90e8\u5206\u590d\u5236\u5230\u76ee\u6807\u6570\u7ec4\u3002 \u5982\u4f55\u7ed9 Java \u6570\u7ec4\u8d4b\u503c \u76f4\u63a5\u8d4b\u503c \u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u901a\u8fc7\u7d22\u5f15\u76f4\u63a5\u7ed9\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\uff1a int[] arr = new int[5]; arr[0] = 10; arr[1] = 20; \u767b\u5f55\u540e\u590d\u5236 \u6570\u7ec4\u521d\u59cb\u5316 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4f7f\u7528\u521d\u59cb\u5316\u8bed\u6cd5\u5728\u6570\u7ec4\u58f0\u660e\u65f6\u76f4\u63a5\u8d4b\u503c\uff1a int[] arr = {10, 20, 30, 40, 50}; \u767b\u5f55\u540e\u590d\u5236 \u901a\u8fc7\u5faa\u73af\u8d4b\u503c \u4f7f\u7528\u5faa\u73af\u53ef\u4ee5\u4e00\u6b21\u6027\u5bf9\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20\u8d4b\u503c\uff1a int[] arr = new int[5]; for (int i = 0; i < arr.length; i++) { arr[i] = […]<\/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-66796","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66796","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=66796"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66796\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}