{"id":66593,"date":"2025-05-03T17:51:05","date_gmt":"2025-05-03T09:51:05","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66593\/"},"modified":"2025-05-03T17:51:05","modified_gmt":"2025-05-03T09:51:05","slug":"java%e6%80%8e%e4%b9%88%e5%88%9d%e5%a7%8b%e5%8c%96%e6%95%b4%e5%bd%a2%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66593\/","title":{"rendered":"java\u600e\u4e48\u521d\u59cb\u5316\u6574\u5f62\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u521d\u59cb\u5316\u6574\u5f62\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\u4e94\u79cd\uff1a\u76f4\u63a5\u5b57\u9762\u91cf\u521d\u59cb\u5316\u4f7f\u7528 new \u5173\u952e\u5b57\u548c\u5927\u62ec\u53f7\u521d\u59cb\u5316\u5143\u7d20\u4f7f\u7528 fill() \u65b9\u6cd5\u586b\u5145\u6570\u7ec4\u4f7f\u7528\u5faa\u73af\u521d\u59cb\u5316\u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u5668\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111607093754223.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u521d\u59cb\u5316\u6574\u5f62\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u521d\u59cb\u5316\u6574\u5f62\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u521d\u59cb\u5316\u6574\u5f62\u6570\u7ec4<\/strong><\/p>\n<p><strong>\u5f00\u95e8\u89c1\u5c71\uff1a<\/strong><br \/>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\u521d\u59cb\u5316\u6574\u5f62\u6570\u7ec4\uff1a<\/p>\n<p><strong>\u8be6\u7ec6\u5c55\u5f00\uff1a<\/strong><\/p>\n<p><strong>1. \u76f4\u63a5\u5b57\u9762\u91cf\u521d\u59cb\u5316\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\uff0c\u5e76\u4f7f\u7528\u5927\u62ec\u53f7 { } \u521d\u59cb\u5316\u5143\u7d20\uff1a<\/strong><\/p>\n<pre>int[] arr = new int[] {1, 2, 3, 4, 5};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u4f7f\u7528 fill() \u65b9\u6cd5\u586b\u5145\u6570\u7ec4\uff1a<\/strong><\/p>\n<pre>int[] arr = new int[5];\nArrays.fill(arr, 10); \/\/ \u5c06\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u586b\u5145\u4e3a 10<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u4f7f\u7528\u5faa\u73af\u521d\u59cb\u5316\uff1a<\/strong><\/p>\n<pre>int[] arr = new int[5];\nfor (int i = 0; i &lt; 5; i++) {\n    arr[i] = i + 1;\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>5. \u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u5668\uff1a<\/strong><\/p>\n<pre>int[] arr = new int[] {}; \/\/ \u7a7a\u6570\u7ec4\nint[] arr1 = new int[5]; \/\/ \u542b\u6709 5 \u4e2a 0 \u7684\u6570\u7ec4<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u521d\u59cb\u5316\u6574\u5f62\u6570\u7ec4\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 \u4e2d\u521d\u59cb\u5316\u6574\u5f62\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\u4e94\u79cd\uff1a\u76f4\u63a5\u5b57\u9762\u91cf\u521d\u59cb\u5316\u4f7f\u7528 new \u5173\u952e\u5b57\u548c\u5927\u62ec\u53f7\u521d\u59cb\u5316\u5143\u7d20\u4f7f\u7528 fill() \u65b9\u6cd5\u586b\u5145\u6570\u7ec4\u4f7f\u7528\u5faa\u73af\u521d\u59cb\u5316\u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u5668 \u5982\u4f55\u5728 Java \u4e2d\u521d\u59cb\u5316\u6574\u5f62\u6570\u7ec4 \u5f00\u95e8\u89c1\u5c71\uff1a\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\u521d\u59cb\u5316\u6574\u5f62\u6570\u7ec4\uff1a \u8be6\u7ec6\u5c55\u5f00\uff1a 1. \u76f4\u63a5\u5b57\u9762\u91cf\u521d\u59cb\u5316\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] arr = {1, 2, 3, 4, 5}; \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\uff0c\u5e76\u4f7f\u7528\u5927\u62ec\u53f7 { } \u521d\u59cb\u5316\u5143\u7d20\uff1a int[] arr = new int[] {1, 2, 3, 4, 5}; \u767b\u5f55\u540e\u590d\u5236 3. \u4f7f\u7528 fill() \u65b9\u6cd5\u586b\u5145\u6570\u7ec4\uff1a int[] arr = new int[5]; Arrays.fill(arr, 10); \/\/ [&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-66593","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66593","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=66593"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66593\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66593"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66593"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66593"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}