{"id":66521,"date":"2025-05-03T17:57:54","date_gmt":"2025-05-03T09:57:54","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66521\/"},"modified":"2025-05-03T17:57:54","modified_gmt":"2025-05-03T09:57:54","slug":"java%e6%80%8e%e4%b9%88%e5%90%91%e6%95%b0%e7%bb%84%e9%87%8c%e9%9d%a2%e5%be%aa%e7%8e%af%e8%b5%8b%e5%80%bc-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66521\/","title":{"rendered":"java\u600e\u4e48\u5411\u6570\u7ec4\u91cc\u9762\u5faa\u73af\u8d4b\u503c"},"content":{"rendered":"

\n java \u63d0\u4f9b\u4e86\u4f7f\u7528\u5faa\u73af\u6216 arrays.fill() \u65b9\u6cd5\u6765\u5411\u6570\u7ec4\u5143\u7d20\u5faa\u73af\u8d4b\u503c\u3002\u5faa\u73af\u904d\u5386\u6570\u7ec4\u9010\u4e2a\u5143\u7d20\u8d4b\u503c\uff0c\u800c arrays.fill() \u5c06\u6240\u6709\u5143\u7d20\u8bbe\u7f6e\u4e3a\u6307\u5b9a\u7684\u503c\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u5411\u6570\u7ec4\u91cc\u9762\u5faa\u73af\u8d4b\u503c\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u4f7f\u7528 Java \u5411\u6570\u7ec4\u5143\u7d20\u5faa\u73af\u8d4b\u503c<\/strong><\/p>\n

Java \u63d0\u4f9b\u4e86\u51e0\u79cd\u65b9\u6cd5\u6765\u5411\u6570\u7ec4\u5143\u7d20\u5faa\u73af\u8d4b\u503c\u3002\u4ee5\u4e0b\u662f\u4e24\u79cd\u6700\u5e38\u7528\u7684\u65b9\u6cd5\uff1a<\/p>\n

\u4f7f\u7528\u5faa\u73af<\/strong><\/p>\n

\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u5faa\u73af\u6765\u904d\u5386\u6570\u7ec4\uff0c\u9010\u4e2a\u5143\u7d20\u8fdb\u884c\u8d4b\u503c\u3002<\/p>\n

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

int[] arr = new int[5];  \/\/ \u58f0\u660e\u4e00\u4e2a\u957f\u5ea6\u4e3a 5 \u7684\u6570\u7ec4\n\nfor (int i = 0; i < arr.length; i++) {\n    arr[i] = i * 2;  \/\/ \u4e3a\u6bcf\u4e2a\u5143\u7d20\u8d4b\u503c\u4e3a i * 2\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528 Arrays.fill()<\/strong><\/p>\n
Java Arrays<\/strong> \u7c7b\u63d0\u4f9b\u4e86\u4e00\u4e2a\u540d\u4e3a fill()<\/strong> \u7684\u9759\u6001\u65b9\u6cd5\uff0c\u7528\u4e8e\u5c06\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u8bbe\u7f6e\u4e3a\u6307\u5b9a\u7684\u503c\u3002<\/p>\n
int[] arr = new int[5];  \/\/ \u58f0\u660e\u4e00\u4e2a\u957f\u5ea6\u4e3a 5 \u7684\u6570\u7ec4\n\nArrays.fill(arr, 10);  \/\/ \u5c06\u6240\u6709\u5143\u7d20\u8d4b\u503c\u4e3a 10<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u793a\u4f8b\uff1a<\/strong><\/p>\n
\u4e0b\u9762\u7684\u4ee3\u7801\u6f14\u793a\u5982\u4f55\u4f7f\u7528\u4e24\u79cd\u65b9\u6cd5\u5411\u4e00\u4e2a\u6574\u6570\u6570\u7ec4\u8d4b\u503c\uff1a<\/p>\n
int[] numbers = new int[5];\n\n\/\/ \u4f7f\u7528\u5faa\u73af\u8d4b\u503c\nfor (int i = 0; i < numbers.length; i++) {\n    numbers[i] = i * 2;\n}\n\n\/\/ \u6253\u5370\u6570\u7ec4\u5143\u7d20\nfor (int element : numbers) {\n    System.out.println(element);\n}\n\n\/\/ \u4f7f\u7528 Arrays.fill() \u8d4b\u503c\nArrays.fill(numbers, 10);\n\n\/\/ \u518d\u6b21\u6253\u5370\u6570\u7ec4\u5143\u7d20\nfor (int element : numbers) {\n    System.out.println(element);\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8f93\u51fa\uff1a<\/strong><\/p>\n
0\n2\n4\n6\n8\n10\n10\n10\n10\n10<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5411\u6570\u7ec4\u91cc\u9762\u5faa\u73af\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":"
java \u63d0\u4f9b\u4e86\u4f7f\u7528\u5faa\u73af\u6216 arrays.fill() \u65b9\u6cd5\u6765\u5411\u6570\u7ec4\u5143\u7d20\u5faa\u73af\u8d4b\u503c\u3002\u5faa\u73af\u904d\u5386\u6570\u7ec4\u9010\u4e2a\u5143\u7d20\u8d4b\u503c\uff0c\u800c arrays.fill() \u5c06\u6240\u6709\u5143\u7d20\u8bbe\u7f6e\u4e3a\u6307\u5b9a\u7684\u503c\u3002 \u5982\u4f55\u4f7f\u7528 Java \u5411\u6570\u7ec4\u5143\u7d20\u5faa\u73af\u8d4b\u503c Java \u63d0\u4f9b\u4e86\u51e0\u79cd\u65b9\u6cd5\u6765\u5411\u6570\u7ec4\u5143\u7d20\u5faa\u73af\u8d4b\u503c\u3002\u4ee5\u4e0b\u662f\u4e24\u79cd\u6700\u5e38\u7528\u7684\u65b9\u6cd5\uff1a \u4f7f\u7528\u5faa\u73af \u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u5faa\u73af\u6765\u904d\u5386\u6570\u7ec4\uff0c\u9010\u4e2a\u5143\u7d20\u8fdb\u884c\u8d4b\u503c\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] arr = new int[5]; \/\/ \u58f0\u660e\u4e00\u4e2a\u957f\u5ea6\u4e3a 5 \u7684\u6570\u7ec4 for (int i = 0; i < arr.length; i++) { arr[i] = i * 2; \/\/ \u4e3a\u6bcf\u4e2a\u5143\u7d20\u8d4b\u503c\u4e3a i * 2 } \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528 Arrays.fill() Java Arrays \u7c7b\u63d0\u4f9b\u4e86\u4e00\u4e2a\u540d\u4e3a fill() \u7684\u9759\u6001\u65b9\u6cd5\uff0c\u7528\u4e8e\u5c06\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u8bbe\u7f6e\u4e3a\u6307\u5b9a\u7684\u503c\u3002 int[] arr = […]<\/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-66521","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66521","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=66521"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66521\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66521"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66521"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66521"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}