{"id":34633,"date":"2024-11-26T08:46:25","date_gmt":"2024-11-26T00:46:25","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34633\/"},"modified":"2024-11-26T08:46:25","modified_gmt":"2024-11-26T00:46:25","slug":"java%e6%80%8e%e4%b9%88%e5%9c%a8%e7%bb%93%e6%9e%9c%e4%b8%ad%e7%bb%99%e6%95%b0%e7%bb%84%e8%b5%8b%e5%80%bc","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34633\/","title":{"rendered":"java\u600e\u4e48\u5728\u7ed3\u679c\u4e2d\u7ed9\u6570\u7ec4\u8d4b\u503c"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u4e3a\u6570\u7ec4\u8d4b\u503c\u53ef\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\uff1a\u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u8bed\u6cd5\u4f7f\u7528\u5faa\u73af\u4f7f\u7528 arrays.fill() \u65b9\u6cd5\u4f7f\u7528 system.arraycopy() \u65b9\u6cd5\u4f7f\u7528 stream api\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/02\/2024110218215339498.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5728\u7ed3\u679c\u4e2d\u7ed9\u6570\u7ec4\u8d4b\u503c\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5728\u7ed3\u679c\u4e2d\u7ed9\u6570\u7ec4\u8d4b\u503c\u63d2\u56fe\" \/><\/p>\n<h2>Java \u4e2d\u4e3a\u6570\u7ec4\u8d4b\u503c<\/h2>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u4e3a\u6570\u7ec4\u8d4b\u503c\uff1a<\/p>\n<h3>\u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u8bed\u6cd5<\/h3>\n<pre>int[] arr = {1, 2, 3, 4, 5};<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<h3>\u4f7f\u7528\u5faa\u73af<\/h3>\n<pre>int[] arr = new int[5];\nfor (int i = 0; i &lt; arr.length; i++) {\n    arr[i] = i + 1;\n}<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<h3>\u4f7f\u7528 Arrays.fill() \u65b9\u6cd5<\/h3>\n<pre>int[] arr = new int[5];\nArrays.fill(arr, 10);<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<h3>\u4f7f\u7528 System.arraycopy() \u65b9\u6cd5<\/h3>\n<pre>int[] arr1 = {1, 2, 3, 4, 5};\nint[] arr2 = new int[5];\nSystem.arraycopy(arr1, 0, arr2, 0, arr1.length);<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<h3>\u4f7f\u7528 Stream API<\/h3>\n<pre>int[] arr = IntStream.range(1, 6).toArray();<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5728\u7ed3\u679c\u4e2d\u7ed9\u6570\u7ec4\u8d4b\u503c\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java \u4e2d\u4e3a\u6570\u7ec4\u8d4b\u503c\u53ef\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\uff1a\u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u8bed\u6cd5\u4f7f\u7528\u5faa\u73af\u4f7f\u7528 arrays.fill() \u65b9\u6cd5\u4f7f\u7528 system.arraycopy() \u65b9\u6cd5\u4f7f\u7528 stream api Java \u4e2d\u4e3a\u6570\u7ec4\u8d4b\u503c \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u4e3a\u6570\u7ec4\u8d4b\u503c\uff1a \u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u8bed\u6cd5 int[] arr = {1, 2, 3, 4, 5}; \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528\u5faa\u73af int[] arr = new int[5]; for (int i = 0; i &lt; arr.length; i++) { arr[i] = i + 1; } \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528 Arrays.fill() \u65b9\u6cd5 int[] arr = new int[5]; Arrays.fill(arr, [&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-34633","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34633","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=34633"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34633\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=34633"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=34633"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=34633"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}