{"id":65514,"date":"2025-05-03T09:23:25","date_gmt":"2025-05-03T01:23:25","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65514\/"},"modified":"2025-05-03T09:23:25","modified_gmt":"2025-05-03T01:23:25","slug":"java%e6%80%8e%e4%b9%88%e5%88%a0%e9%99%a4%e5%85%a8%e9%83%a8%e6%95%b0%e7%bb%84%e5%85%83%e7%b4%a0-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65514\/","title":{"rendered":"java\u600e\u4e48\u5220\u9664\u5168\u90e8\u6570\u7ec4\u5143\u7d20"},"content":{"rendered":"<blockquote><p>\n  \u4f7f\u7528 arrays.fill() \u65b9\u6cd5\uff0c\u8bed\u6cd5\u4e3a arrays.fill(arrayname, 0)\uff0c\u5373\u53ef\u5220\u9664 java \u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff0c\u5176\u4e2d arrayname \u662f\u6570\u7ec4\u53d8\u91cf\uff0c0 \u662f\u586b\u5145\u9ed8\u8ba4\u503c\u3002\u8be5\u65b9\u6cd5\u4e0d\u4f1a\u6539\u53d8\u6570\u7ec4\u5927\u5c0f\uff0c\u4f46\u4f1a\u4f7f\u7528 0 \u8986\u76d6\u6240\u6709\u73b0\u6709\u5143\u7d20\uff0c\u5982\u679c\u6570\u7ec4\u5143\u7d20\u4e3a\u5bf9\u8c61\u7c7b\u578b\uff0c\u5219\u4f1a\u5c06\u5176\u5168\u90e8\u8bbe\u7f6e\u4e3a null\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111302423820443.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5220\u9664\u5168\u90e8\u6570\u7ec4\u5143\u7d20\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5220\u9664\u5168\u90e8\u6570\u7ec4\u5143\u7d20\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5220\u9664 Java \u4e2d\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 Arrays.fill() \u65b9\u6cd5\u5220\u9664\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002\u8be5\u65b9\u6cd5\u4f7f\u7528\u6307\u5b9a\u7684\u503c\u586b\u5145\u6574\u4e2a\u6570\u7ec4\u3002\u8981\u5220\u9664\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u9ed8\u8ba4\u503c 0 \u8fdb\u884c\u586b\u5145\u3002<\/p>\n<p>\u8bed\u6cd5\uff1a<\/p>\n<pre>Arrays.fill(arrayName, 0);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li>arrayName \u662f\u8981\u5220\u9664\u5143\u7d20\u7684\u6570\u7ec4\u53d8\u91cf\u3002<\/li>\n<li>0 \u662f\u7528\u4e8e\u586b\u5145\u6570\u7ec4\u7684\u9ed8\u8ba4\u503c\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\n\nArrays.fill(numbers, 0);\n\nfor (int number : numbers) {\n    System.out.println(number); \/\/ \u8f93\u51fa 0 0 0 0 0\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<ul>\n<li>Arrays.fill() \u65b9\u6cd5\u4e0d\u4f1a\u6539\u53d8\u6570\u7ec4\u7684\u5927\u5c0f\u3002<\/li>\n<li>\u5b83\u53ea\u4f1a\u4f7f\u7528\u6307\u5b9a\u7684\u503c\u8986\u76d6\u6570\u7ec4\u4e2d\u7684\u73b0\u6709\u5143\u7d20\u3002<\/li>\n<li>\u5982\u679c\u6570\u7ec4\u662f\u5bf9\u8c61\u7c7b\u578b\u7684\uff0c\u5b83\u5c06\u8bbe\u7f6e\u6240\u6709\u5143\u7d20\u4e3a null\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5220\u9664\u5168\u90e8\u6570\u7ec4\u5143\u7d20\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528 arrays.fill() \u65b9\u6cd5\uff0c\u8bed\u6cd5\u4e3a arrays.fill(arrayname, 0)\uff0c\u5373\u53ef\u5220\u9664 java \u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff0c\u5176\u4e2d arrayname \u662f\u6570\u7ec4\u53d8\u91cf\uff0c0 \u662f\u586b\u5145\u9ed8\u8ba4\u503c\u3002\u8be5\u65b9\u6cd5\u4e0d\u4f1a\u6539\u53d8\u6570\u7ec4\u5927\u5c0f\uff0c\u4f46\u4f1a\u4f7f\u7528 0 \u8986\u76d6\u6240\u6709\u73b0\u6709\u5143\u7d20\uff0c\u5982\u679c\u6570\u7ec4\u5143\u7d20\u4e3a\u5bf9\u8c61\u7c7b\u578b\uff0c\u5219\u4f1a\u5c06\u5176\u5168\u90e8\u8bbe\u7f6e\u4e3a null\u3002 \u5982\u4f55\u5220\u9664 Java \u4e2d\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 Arrays.fill() \u65b9\u6cd5\u5220\u9664\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002\u8be5\u65b9\u6cd5\u4f7f\u7528\u6307\u5b9a\u7684\u503c\u586b\u5145\u6574\u4e2a\u6570\u7ec4\u3002\u8981\u5220\u9664\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u9ed8\u8ba4\u503c 0 \u8fdb\u884c\u586b\u5145\u3002 \u8bed\u6cd5\uff1a Arrays.fill(arrayName, 0); \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b arrayName \u662f\u8981\u5220\u9664\u5143\u7d20\u7684\u6570\u7ec4\u53d8\u91cf\u3002 0 \u662f\u7528\u4e8e\u586b\u5145\u6570\u7ec4\u7684\u9ed8\u8ba4\u503c\u3002 \u793a\u4f8b\uff1a int[] numbers = {1, 2, 3, 4, 5}; Arrays.fill(numbers, 0); for (int number : numbers) { System.out.println(number); \/\/ \u8f93\u51fa 0 0 [&hellip;]<\/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-65514","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65514","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=65514"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65514\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65514"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65514"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65514"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}