{"id":65195,"date":"2025-05-03T12:07:32","date_gmt":"2025-05-03T04:07:32","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65195\/"},"modified":"2025-05-03T12:07:32","modified_gmt":"2025-05-03T04:07:32","slug":"java-%e6%95%b0%e7%bb%84%e7%9a%84%e8%b5%8b%e5%80%bc%e6%96%b9%e6%b3%95%e6%9c%89%e5%93%aa%e4%ba%9b-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65195\/","title":{"rendered":"java \u6570\u7ec4\u7684\u8d4b\u503c\u65b9\u6cd5\u6709\u54ea\u4e9b"},"content":{"rendered":"

\n java \u6570\u7ec4\u8d4b\u503c\u6709\u4ee5\u4e0b\u4e94\u79cd\u65b9\u6cd5\uff1a1. \u76f4\u63a5\u8d4b\u503c\uff1b2. \u6570\u7ec4\u521d\u59cb\u5316\u5757\uff1b3. \u5faa\u73af\u8d4b\u503c\uff1b4. \u4f7f\u7528 arrays.fill() \u65b9\u6cd5\uff1b5. \u4f7f\u7528 system.arraycopy() \u65b9\u6cd5\u3002\n<\/p><\/blockquote>\n

\"java<\/p>\n

Java \u6570\u7ec4\u8d4b\u503c\u65b9\u6cd5<\/strong><\/p>\n

Java \u4e2d\u4e3a\u6570\u7ec4\u8d4b\u503c\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n

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

\u8fd9\u662f\u6700\u7b80\u5355\u548c\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u3002\u4f7f\u7528\u7b49\u53f7 (=) \u8fd0\u7b97\u7b26\u5c06\u5143\u7d20\u9010\u4e2a\u8d4b\u503c\u7ed9\u6570\u7ec4\u3002<\/p>\n

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

int[] numbers = {1, 2, 3, 4, 5};<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
2. \u6570\u7ec4\u521d\u59cb\u5316\u5757<\/strong><\/p>\n
\u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u5757\u53ef\u4ee5\u5728\u58f0\u660e\u6570\u7ec4\u65f6\u540c\u6642\u521d\u59cb\u5316\u6240\u6709\u5143\u7d20\u3002<\/p>\n
int[] numbers = new int[] {1, 2, 3, 4, 5};<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
3. \u4f7f\u7528\u5faa\u73af\u8d4b\u503c<\/strong><\/p>\n
\u4f7f\u7528\u5faa\u73af\u53ef\u4ee5\u904d\u5386\u6570\u7ec4\u5e76\u9010\u4e2a\u8d4b\u503c\u7ed9\u5143\u7d20\u3002<\/p>\n
int[] numbers = new int[5];\nfor (int i = 0; i < numbers.length; i++) {\n    numbers[i] = i + 1;\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
4. \u4f7f\u7528 Arrays.fill() \u65b9\u6cd5<\/strong><\/p>\n
Arrays.fill() \u65b9\u6cd5\u53ef\u4ee5\u5c06\u6570\u7ec4\u4e2d\u6240\u6709\u5143\u7d20\u586b\u5145\u4e3a\u6307\u5b9a\u7684\u503c\u3002<\/p>\n
int[] numbers = new int[5];\nArrays.fill(numbers, 10);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
5. \u4f7f\u7528 System.arraycopy() \u65b9\u6cd5<\/strong><\/p>\n
System.arraycopy() \u65b9\u6cd5\u53ef\u4ee5\u5c06\u4e00\u4e2a\u6570\u7ec4\u7684\u90e8\u5206\u6216\u5168\u90e8\u5143\u7d20\u590d\u5236\u5230\u53e6\u4e00\u4e2a\u6570\u7ec4\u3002<\/p>\n
int[] numbers1 = {1, 2, 3, 4, 5};\nint[] numbers2 = new int[5];\nSystem.arraycopy(numbers1, 0, numbers2, 0, 5);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662fjava \u6570\u7ec4\u7684\u8d4b\u503c\u65b9\u6cd5\u6709\u54ea\u4e9b\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 \u6570\u7ec4\u8d4b\u503c\u6709\u4ee5\u4e0b\u4e94\u79cd\u65b9\u6cd5\uff1a1. \u76f4\u63a5\u8d4b\u503c\uff1b2. \u6570\u7ec4\u521d\u59cb\u5316\u5757\uff1b3. \u5faa\u73af\u8d4b\u503c\uff1b4. \u4f7f\u7528 arrays.fill() \u65b9\u6cd5\uff1b5. \u4f7f\u7528 system.arraycopy() \u65b9\u6cd5\u3002 Java \u6570\u7ec4\u8d4b\u503c\u65b9\u6cd5 Java \u4e2d\u4e3a\u6570\u7ec4\u8d4b\u503c\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a 1. \u76f4\u63a5\u8d4b\u503c \u8fd9\u662f\u6700\u7b80\u5355\u548c\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u3002\u4f7f\u7528\u7b49\u53f7 (=) \u8fd0\u7b97\u7b26\u5c06\u5143\u7d20\u9010\u4e2a\u8d4b\u503c\u7ed9\u6570\u7ec4\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = {1, 2, 3, 4, 5}; \u767b\u5f55\u540e\u590d\u5236 2. \u6570\u7ec4\u521d\u59cb\u5316\u5757 \u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u5757\u53ef\u4ee5\u5728\u58f0\u660e\u6570\u7ec4\u65f6\u540c\u6642\u521d\u59cb\u5316\u6240\u6709\u5143\u7d20\u3002 int[] numbers = new int[] {1, 2, 3, 4, 5}; \u767b\u5f55\u540e\u590d\u5236 3. \u4f7f\u7528\u5faa\u73af\u8d4b\u503c \u4f7f\u7528\u5faa\u73af\u53ef\u4ee5\u904d\u5386\u6570\u7ec4\u5e76\u9010\u4e2a\u8d4b\u503c\u7ed9\u5143\u7d20\u3002 int[] numbers = new int[5]; for (int 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-65195","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65195","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=65195"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65195\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65195"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65195"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}