{"id":65371,"date":"2025-05-03T12:22:06","date_gmt":"2025-05-03T04:22:06","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65371\/"},"modified":"2025-05-03T12:22:06","modified_gmt":"2025-05-03T04:22:06","slug":"java%e8%af%a5%e6%80%8e%e4%b9%88%e6%95%b0%e7%bb%84%e8%b5%8b%e5%80%bc-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65371\/","title":{"rendered":"java\u8be5\u600e\u4e48\u6570\u7ec4\u8d4b\u503c"},"content":{"rendered":"<blockquote><p>\n  java\u6570\u7ec4\u8d4b\u503c\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u76f4\u63a5\u8d4b\u503c\uff08\u4f7f\u7528\u7b49\u53f7\u8fd0\u7b97\u7b26\uff09\u548c\u4f7f\u7528\u5faa\u73af\u8d4b\u503c\uff08for\u5faa\u73af\u6216foreach\u5faa\u73af\uff09\u3002\u76f4\u63a5\u8d4b\u503c\u6570\u7ec4\u5143\u7d20\u65f6\u9700\u8981\u6307\u5b9a\u6570\u7ec4\u5927\u5c0f\uff0c\u800c\u5faa\u73af\u8d4b\u503c\u5141\u8bb8\u52a8\u6001\u521b\u5efa\u6570\u7ec4\u6216\u9010\u4e2a\u8d4b\u503c\u7ed9\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/12\/2024111222125620310.jpg\" class=\"aligncenter\" title=\"java\u8be5\u600e\u4e48\u6570\u7ec4\u8d4b\u503c\u63d2\u56fe\" alt=\"java\u8be5\u600e\u4e48\u6570\u7ec4\u8d4b\u503c\u63d2\u56fe\" \/><\/p>\n<p><strong>Java\u6570\u7ec4\u8d4b\u503c\u65b9\u6cd5<\/strong><\/p>\n<p>Java\u4e2d\u4e3a\u6570\u7ec4\u8d4b\u503c\u53ef\u4ee5\u4f7f\u7528\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u76f4\u63a5\u8d4b\u503c<\/strong><\/p>\n<p>\u4f7f\u7528\u76f4\u63a5\u8d4b\u503c\u65f6\uff0c\u5c06\u6570\u7ec4\u5143\u7d20\u521d\u59cb\u5316\u4e3a\u7279\u5b9a\u503c\uff0c\u4f7f\u7528\u7b49\u53f7\uff08=\uff09\u8fd0\u7b97\u7b26\u3002\u4f8b\u5982\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/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\u5faa\u73af\u8d4b\u503c<\/strong><\/p>\n<p>\u5faa\u73af\u8d4b\u503c\u5141\u8bb8\u4f7f\u7528\u5faa\u73af\u8bed\u6cd5\u4e3a\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u5355\u72ec\u8d4b\u503c\u3002\u6700\u5e38\u7528\u7684\u5faa\u73af\u65b9\u6cd5\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\n<p><strong>for\u5faa\u73af\uff1a<\/strong><\/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 <\/li>\n<li>\n<p><strong>forEach\u5faa\u73af\uff1a<\/strong><\/p>\n<pre>int[] numbers = new int[5];\nint[] values = {1, 2, 3, 4, 5};\nint i = 0;\nfor (int number : numbers) {\n  numbers[i] = values[i];\n  i++;\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<\/li>\n<li>\u6570\u7ec4\u7d22\u5f15\u662f\u4ece0\u5f00\u59cb\u7684\uff0c\u8fd9\u8868\u793a\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4e3a0\uff0c\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4e3alength &#8211; 1\uff08\u5176\u4e2dlength\u662f\u6570\u7ec4\u7684\u957f\u5ea6\uff09\u3002<\/li>\n<li>\u76f4\u63a5\u8d4b\u503c\u65f6\uff0c\u6570\u7ec4\u7684\u5927\u5c0f\u5fc5\u987b\u5728\u521d\u59cb\u5316\u65f6\u6307\u5b9a\u3002<\/li>\n<li>\u4f7f\u7528\u5faa\u73af\u8d4b\u503c\u65f6\uff0c\u6570\u7ec4\u5927\u5c0f\u53ef\u4ee5\u5728\u521b\u5efa\u6570\u7ec4\u65f6\u6307\u5b9a\u6216\u4f7f\u7528new\u5173\u952e\u5b57\u52a8\u6001\u521b\u5efa\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u8be5\u600e\u4e48\u6570\u7ec4\u8d4b\u503c\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\u8d4b\u503c\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u76f4\u63a5\u8d4b\u503c\uff08\u4f7f\u7528\u7b49\u53f7\u8fd0\u7b97\u7b26\uff09\u548c\u4f7f\u7528\u5faa\u73af\u8d4b\u503c\uff08for\u5faa\u73af\u6216foreach\u5faa\u73af\uff09\u3002\u76f4\u63a5\u8d4b\u503c\u6570\u7ec4\u5143\u7d20\u65f6\u9700\u8981\u6307\u5b9a\u6570\u7ec4\u5927\u5c0f\uff0c\u800c\u5faa\u73af\u8d4b\u503c\u5141\u8bb8\u52a8\u6001\u521b\u5efa\u6570\u7ec4\u6216\u9010\u4e2a\u8d4b\u503c\u7ed9\u5143\u7d20\u3002 Java\u6570\u7ec4\u8d4b\u503c\u65b9\u6cd5 Java\u4e2d\u4e3a\u6570\u7ec4\u8d4b\u503c\u53ef\u4ee5\u4f7f\u7528\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\uff1a 1. \u76f4\u63a5\u8d4b\u503c \u4f7f\u7528\u76f4\u63a5\u8d4b\u503c\u65f6\uff0c\u5c06\u6570\u7ec4\u5143\u7d20\u521d\u59cb\u5316\u4e3a\u7279\u5b9a\u503c\uff0c\u4f7f\u7528\u7b49\u53f7\uff08=\uff09\u8fd0\u7b97\u7b26\u3002\u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = {1, 2, 3, 4, 5}; \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528\u5faa\u73af\u8d4b\u503c \u5faa\u73af\u8d4b\u503c\u5141\u8bb8\u4f7f\u7528\u5faa\u73af\u8bed\u6cd5\u4e3a\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u5355\u72ec\u8d4b\u503c\u3002\u6700\u5e38\u7528\u7684\u5faa\u73af\u65b9\u6cd5\u5305\u62ec\uff1a for\u5faa\u73af\uff1a int[] numbers = new int[5]; for (int i = 0; i &lt; numbers.length; i++) { numbers[i] = i + 1; } \u767b\u5f55\u540e\u590d\u5236 forEach\u5faa\u73af\uff1a int[] numbers = new int[5]; int[] values = {1, 2, 3, 4, [&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-65371","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65371","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=65371"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65371\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65371"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65371"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65371"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}