{"id":65402,"date":"2025-05-03T12:38:12","date_gmt":"2025-05-03T04:38:12","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65402\/"},"modified":"2025-05-03T12:38:12","modified_gmt":"2025-05-03T04:38:12","slug":"java%e4%b8%ad%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e6%b8%85%e7%a9%ba-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65402\/","title":{"rendered":"java\u4e2d\u6570\u7ec4\u600e\u4e48\u6e05\u7a7a"},"content":{"rendered":"<blockquote><p>\n  \u5982\u4f55\u6e05\u7a7a java \u6570\u7ec4\uff1f\u624b\u52a8\u904d\u5386\u5e76\u8d4b\u503c\uff1a\u4f7f\u7528\u5faa\u73af\u9010\u4e2a\u5c06\u5143\u7d20\u91cd\u7f6e\u4e3a\u9ed8\u8ba4\u503c\u3002\u4f7f\u7528 arrays.fill() \u65b9\u6cd5\uff1a\u63d0\u4f9b\u6570\u7ec4\u548c\u503c\u53c2\u6570\uff0c\u5c06\u6240\u6709\u5143\u7d20\u8bbe\u7f6e\u4e3a\u6307\u5b9a\u503c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/12\/2024111223361986671.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u6570\u7ec4\u600e\u4e48\u6e05\u7a7a\u63d2\u56fe\" alt=\"java\u4e2d\u6570\u7ec4\u600e\u4e48\u6e05\u7a7a\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u5982\u4f55\u6e05\u7a7a\u6570\u7ec4<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u4e2a\u56fa\u5b9a\u5927\u5c0f\u7684\u5143\u7d20\u96c6\u5408\u3002\u6e05\u7a7a\u6570\u7ec4\u610f\u5473\u7740\u5c06\u6240\u6709\u5143\u7d20\u7684\u503c\u91cd\u7f6e\u4e3a\u5b83\u4eec\u7684\u9ed8\u8ba4\u503c\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li> <strong>int<\/strong> \u548c <strong>byte<\/strong> \u7b49\u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u6570\u7ec4\u5143\u7d20\u4f1a\u91cd\u7f6e\u4e3a 0<\/li>\n<li> <strong>boolean<\/strong> \u6570\u7ec4\u5143\u7d20\u4f1a\u91cd\u7f6e\u4e3a false<\/li>\n<li> <strong>\u5bf9\u8c61<\/strong> \u6570\u7ec4\u5143\u7d20\u4f1a\u91cd\u7f6e\u4e3a null<\/li>\n<\/ul>\n<p><strong>\u6e05\u7a7a\u6570\u7ec4\u7684\u65b9\u6cd5<\/strong><\/p>\n<p>\u6709\u4e24\u79cd\u4e3b\u8981\u7684\u65b9\u6cd5\u53ef\u4ee5\u6e05\u7a7a\u6570\u7ec4\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p><strong>1. \u624b\u52a8\u904d\u5386\u548c\u8d4b\u503c<\/strong><\/p>\n<p>\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u4e00\u4e2a\u5faa\u73af\u6765\u904d\u5386\u6570\u7ec4\u5e76\u624b\u52a8\u5c06\u6bcf\u4e2a\u5143\u7d20\u7684\u503c\u91cd\u7f6e\u4e3a\u9ed8\u8ba4\u503c\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>int[] array = {1, 2, 3, 4, 5};\n\nfor (int i = 0; i &lt; array.length; i++) {\n    array[i] = 0;\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528 Arrays.fill() \u65b9\u6cd5<\/strong><\/p>\n<p>Java \u63d0\u4f9b\u4e86 Arrays.fill() \u65b9\u6cd5\u4e13\u95e8\u7528\u4e8e\u6e05\u7a7a\u6570\u7ec4\u3002\u8be5\u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u6570\u7ec4\u548c\u4e00\u4e2a\u503c\u4f5c\u4e3a\u53c2\u6570\uff0c\u5e76\u5c06\u6570\u7ec4\u4e2d\u6240\u6709\u5143\u7d20\u7684\u503c\u8bbe\u7f6e\u4e3a\u6307\u5b9a\u503c\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>int[] array = {1, 2, 3, 4, 5};\n\nArrays.fill(array, 0);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u54ea\u79cd\u65b9\u6cd5\u66f4\u597d<\/strong><\/p>\n<p>\u8fd9\u4e24\u79cd\u65b9\u6cd5\u5404\u6709\u4f18\u7f3a\u70b9\u3002<\/p>\n<ul>\n<li> <strong>\u624b\u52a8\u904d\u5386\u548c\u8d4b\u503c<\/strong> \u65b9\u6cd5\u6bd4\u8f83\u7075\u6d3b\uff0c\u56e0\u4e3a\u5b83\u5141\u8bb8\u4f60\u5c06\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u91cd\u7f6e\u4e3a\u4e0d\u540c\u7684\u503c\u3002<\/li>\n<li> <strong>Arrays.fill()<\/strong> \u65b9\u6cd5\u66f4\u52a0\u7b80\u6d01\u548c\u9ad8\u6548\uff0c\u5c24\u5176\u662f\u5728\u6e05\u7a7a\u5927\u578b\u6570\u7ec4\u65f6\u3002<\/li>\n<\/ul>\n<p>\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c<strong>Arrays.fill()<\/strong> \u65b9\u6cd5\u662f\u6e05\u7a7a\u6570\u7ec4\u7684\u66f4\u597d\u9009\u62e9\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u6570\u7ec4\u600e\u4e48\u6e05\u7a7a\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>\u5982\u4f55\u6e05\u7a7a java \u6570\u7ec4\uff1f\u624b\u52a8\u904d\u5386\u5e76\u8d4b\u503c\uff1a\u4f7f\u7528\u5faa\u73af\u9010\u4e2a\u5c06\u5143\u7d20\u91cd\u7f6e\u4e3a\u9ed8\u8ba4\u503c\u3002\u4f7f\u7528 arrays.fill() \u65b9\u6cd5\uff1a\u63d0\u4f9b\u6570\u7ec4\u548c\u503c\u53c2\u6570\uff0c\u5c06\u6240\u6709\u5143\u7d20\u8bbe\u7f6e\u4e3a\u6307\u5b9a\u503c\u3002 Java \u4e2d\u5982\u4f55\u6e05\u7a7a\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u4e2a\u56fa\u5b9a\u5927\u5c0f\u7684\u5143\u7d20\u96c6\u5408\u3002\u6e05\u7a7a\u6570\u7ec4\u610f\u5473\u7740\u5c06\u6240\u6709\u5143\u7d20\u7684\u503c\u91cd\u7f6e\u4e3a\u5b83\u4eec\u7684\u9ed8\u8ba4\u503c\uff0c\u4f8b\u5982\uff1a int \u548c byte \u7b49\u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u6570\u7ec4\u5143\u7d20\u4f1a\u91cd\u7f6e\u4e3a 0 boolean \u6570\u7ec4\u5143\u7d20\u4f1a\u91cd\u7f6e\u4e3a false \u5bf9\u8c61 \u6570\u7ec4\u5143\u7d20\u4f1a\u91cd\u7f6e\u4e3a null \u6e05\u7a7a\u6570\u7ec4\u7684\u65b9\u6cd5 \u6709\u4e24\u79cd\u4e3b\u8981\u7684\u65b9\u6cd5\u53ef\u4ee5\u6e05\u7a7a\u6570\u7ec4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b 1. \u624b\u52a8\u904d\u5386\u548c\u8d4b\u503c \u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u4e00\u4e2a\u5faa\u73af\u6765\u904d\u5386\u6570\u7ec4\u5e76\u624b\u52a8\u5c06\u6bcf\u4e2a\u5143\u7d20\u7684\u503c\u91cd\u7f6e\u4e3a\u9ed8\u8ba4\u503c\u3002\u4f8b\u5982\uff1a int[] array = {1, 2, 3, 4, 5}; for (int i = 0; i &lt; array.length; i++) { array[i] = 0; } \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 Arrays.fill() \u65b9\u6cd5 Java [&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-65402","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65402","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=65402"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65402\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65402"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65402"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65402"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}