{"id":65764,"date":"2025-05-03T08:05:56","date_gmt":"2025-05-03T00:05:56","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65764\/"},"modified":"2025-05-03T08:05:56","modified_gmt":"2025-05-03T00:05:56","slug":"java-%e6%80%8e%e4%b9%88%e5%b0%86%e6%95%b0%e7%bb%84%e5%85%83%e7%b4%a0%e6%b8%85%e7%a9%ba-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65764\/","title":{"rendered":"java \u600e\u4e48\u5c06\u6570\u7ec4\u5143\u7d20\u6e05\u7a7a"},"content":{"rendered":"<blockquote><p>\n  java \u6570\u7ec4\u5143\u7d20\u53ef\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u6e05\u7a7a\uff1a1. \u4f7f\u7528 null \u8986\u76d6\u6570\u7ec4\u5143\u7d20\uff1b2. \u4f7f\u7528 arrays.fill() \u65b9\u6cd5\u586b\u5145 null \u503c\uff1b3. \u91cd\u65b0\u5206\u914d\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111309301557187.jpg\" class=\"aligncenter\" title=\"java \u600e\u4e48\u5c06\u6570\u7ec4\u5143\u7d20\u6e05\u7a7a\u63d2\u56fe\" alt=\"java \u600e\u4e48\u5c06\u6570\u7ec4\u5143\u7d20\u6e05\u7a7a\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u6e05\u7a7a Java \u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n<p><strong>\u56de\u7b54\uff1a<\/strong><\/p>\n<p>\u8981\u6e05\u7a7a Java \u6570\u7ec4\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<p><strong>\u65b9\u6cd5 1\uff1a\u4f7f\u7528 null \u8986\u76d6\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] array = {1, 2, 3, 4, 5};\nfor (int i = 0; i &lt; array.length; i++) {\n    array[i] = null;\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u65b9\u6cd5 2\uff1a\u4f7f\u7528 Arrays.fill() \u65b9\u6cd5<\/strong><\/p>\n<p>Arrays.fill() \u65b9\u6cd5\u901a\u8fc7\u6307\u5b9a\u7684\u503c\u586b\u5145\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20\u3002\u8981\u6e05\u7a7a\u6570\u7ec4\u5143\u7d20\uff0c\u53ef\u4ee5\u5c06\u5176\u586b\u5145\u4e3a null \u503c\u3002<\/p>\n<pre>int[] array = {1, 2, 3, 4, 5};\nArrays.fill(array, null);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u65b9\u6cd5 3\uff1a\u91cd\u65b0\u5206\u914d\u6570\u7ec4<\/strong><\/p>\n<p>\u91cd\u65b0\u5206\u914d\u6570\u7ec4\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\uff0c\u5e76\u5c06\u5176\u5f15\u7528\u8d4b\u7ed9\u73b0\u6709\u6570\u7ec4\u53d8\u91cf\u3002\u8fd9\u6837\u505a\u4f1a\u6e05\u7a7a\u6570\u7ec4\u4e2d\u6240\u6709\u73b0\u6709\u5143\u7d20\u3002<\/p>\n<pre>int[] array = {1, 2, 3, 4, 5};\narray = new int[0];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava \u600e\u4e48\u5c06\u6570\u7ec4\u5143\u7d20\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>java \u6570\u7ec4\u5143\u7d20\u53ef\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u6e05\u7a7a\uff1a1. \u4f7f\u7528 null \u8986\u76d6\u6570\u7ec4\u5143\u7d20\uff1b2. \u4f7f\u7528 arrays.fill() \u65b9\u6cd5\u586b\u5145 null \u503c\uff1b3. \u91cd\u65b0\u5206\u914d\u6570\u7ec4\u3002 \u5982\u4f55\u6e05\u7a7a Java \u6570\u7ec4\u5143\u7d20 \u56de\u7b54\uff1a \u8981\u6e05\u7a7a Java \u6570\u7ec4\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a \u65b9\u6cd5 1\uff1a\u4f7f\u7528 null \u8986\u76d6\u6570\u7ec4\u5143\u7d20 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] array = {1, 2, 3, 4, 5}; for (int i = 0; i &lt; array.length; i++) { array[i] = null; } \u767b\u5f55\u540e\u590d\u5236 \u65b9\u6cd5 2\uff1a\u4f7f\u7528 Arrays.fill() \u65b9\u6cd5 Arrays.fill() \u65b9\u6cd5\u901a\u8fc7\u6307\u5b9a\u7684\u503c\u586b\u5145\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20\u3002\u8981\u6e05\u7a7a\u6570\u7ec4\u5143\u7d20\uff0c\u53ef\u4ee5\u5c06\u5176\u586b\u5145\u4e3a null \u503c\u3002 int[] [&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-65764","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65764","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=65764"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65764\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65764"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65764"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65764"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}