{"id":37333,"date":"2024-11-26T10:52:16","date_gmt":"2024-11-26T02:52:16","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37333\/"},"modified":"2024-11-26T10:52:16","modified_gmt":"2024-11-26T02:52:16","slug":"java%e6%80%8e%e4%b9%88%e7%bb%99%e6%95%b0%e7%bb%84%e6%89%b9%e9%87%8f%e8%b5%8b%e5%80%bc","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37333\/","title":{"rendered":"java\u600e\u4e48\u7ed9\u6570\u7ec4\u6279\u91cf\u8d4b\u503c"},"content":{"rendered":"<blockquote><p>\n  \u7ed9 java \u6570\u7ec4\u6279\u91cf\u8d4b\u503c\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\uff1a1. \u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u5668\uff1b2. \u8fd0\u7528 for \u5faa\u73af\uff1b3. \u8c03\u7528 arrays.fill() \u51fd\u6570\uff1b4. \u5229\u7528 stream api\uff1b5. \u501f\u52a9\u7b2c\u4e09\u65b9\u5e93\uff08\u5982 guava \u6216 apache commons lang\uff09\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111304032183453.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u7ed9\u6570\u7ec4\u6279\u91cf\u8d4b\u503c\u63d2\u56fe\" alt=\"java\u600e\u4e48\u7ed9\u6570\u7ec4\u6279\u91cf\u8d4b\u503c\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528 Java \u7ed9\u6570\u7ec4\u6279\u91cf\u8d4b\u503c<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u7ed9\u6570\u7ec4\u6279\u91cf\u8d4b\u503c\u6709\u4ee5\u4e0b\u51e0\u79cd\u5e38\u89c1\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u5668<\/strong><\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528 for \u5faa\u73af<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] numbers = new int[5];\nfor (int i = 0; i &lt; numbers.length; i++) {\n    numbers[i] = i + 1;\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u4f7f\u7528 Arrays.fill() \u65b9\u6cd5<\/strong><\/p>\n<pre>int[] numbers = new int[5];\nArrays.fill(numbers, 1);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u4f7f\u7528 Stream API<\/strong><\/p>\n<pre>int[] numbers = IntStream.range(1, 6).toArray();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>5. \u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528 Guava \u6216 Apache Commons Lang \u7b49\u7b2c\u4e09\u65b9\u5e93\u6765\u5b9e\u73b0\u6279\u91cf\u8d4b\u503c\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 Guava\uff1a<\/p>\n<pre>int[] numbers = Ints.toArray(Ints.asList(1, 2, 3, 4, 5));<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u7ed9\u6570\u7ec4\u6279\u91cf\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>\u7ed9 java \u6570\u7ec4\u6279\u91cf\u8d4b\u503c\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\uff1a1. \u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u5668\uff1b2. \u8fd0\u7528 for \u5faa\u73af\uff1b3. \u8c03\u7528 arrays.fill() \u51fd\u6570\uff1b4. \u5229\u7528 stream api\uff1b5. \u501f\u52a9\u7b2c\u4e09\u65b9\u5e93\uff08\u5982 guava \u6216 apache commons lang\uff09\u3002 \u5982\u4f55\u4f7f\u7528 Java \u7ed9\u6570\u7ec4\u6279\u91cf\u8d4b\u503c \u5728 Java \u4e2d\uff0c\u7ed9\u6570\u7ec4\u6279\u91cf\u8d4b\u503c\u6709\u4ee5\u4e0b\u51e0\u79cd\u5e38\u89c1\u65b9\u6cd5\uff1a 1. \u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u5668 int[] numbers = {1, 2, 3, 4, 5}; \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 for \u5faa\u73af \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = new int[5]; for (int i = 0; i &lt; numbers.length; i++) [&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-37333","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37333","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=37333"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37333\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37333"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37333"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37333"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}