{"id":66241,"date":"2025-05-03T11:34:04","date_gmt":"2025-05-03T03:34:04","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66241\/"},"modified":"2025-05-03T11:34:04","modified_gmt":"2025-05-03T03:34:04","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e8%be%93%e5%87%ba%e9%a1%ba%e5%ba%8f%e6%95%b0%e7%bb%84%e5%80%bc-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66241\/","title":{"rendered":"java\u4e2d\u600e\u4e48\u8f93\u51fa\u987a\u5e8f\u6570\u7ec4\u503c"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\uff0c\u6709\u56db\u79cd\u65b9\u6cd5\u6309\u987a\u5e8f\u6253\u5370\u6570\u7ec4\u503c\uff1a\u4f7f\u7528 for-each \u5faa\u73af\u3001\u4f20\u7edf for \u5faa\u73af\u3001arrays.tostring() \u65b9\u6cd5\u548c stream api\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/15\/2024111504485213954.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u600e\u4e48\u8f93\u51fa\u987a\u5e8f\u6570\u7ec4\u503c\u63d2\u56fe\" alt=\"java\u4e2d\u600e\u4e48\u8f93\u51fa\u987a\u5e8f\u6570\u7ec4\u503c\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5728 Java \u4e2d\u6309\u987a\u5e8f\u6253\u5370\u6570\u7ec4\u503c<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u6309\u987a\u5e8f\u6253\u5370\u6570\u7ec4\u503c\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528 for-each \u5faa\u73af\uff1a<\/strong><\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\n\nfor (int number : numbers) {\n  System.out.println(number);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u5c06\u4f9d\u6b21\u6253\u5370\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u503c\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p><strong>2. \u4f7f\u7528\u4f20\u7edf for \u5faa\u73af\uff1a<\/strong><\/p>\n<pre>for (int i = 0; i &lt; numbers.length; i++) {\n  System.out.println(numbers[i]);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u4f7f\u7528\u4e86\u4e00\u4e2a\u7d22\u5f15\u53d8\u91cf\u6765\u904d\u5386\u6570\u7ec4\uff0c\u5e76\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u6bcf\u4e2a\u503c\u3002<\/p>\n<p><strong>3. \u4f7f\u7528 Arrays.toString() \u65b9\u6cd5\uff1a<\/strong><\/p>\n<pre>System.out.println(Arrays.toString(numbers));<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u5176\u4e2d\u5305\u542b\u6570\u7ec4\u4e2d\u6240\u6709\u503c\uff0c\u7528\u9017\u53f7\u5206\u9694\u3002<\/p>\n<p><strong>4. \u4f7f\u7528 Stream API\uff1a<\/strong><\/p>\n<pre>Arrays.stream(numbers).forEach(System.out::println);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u4f7f\u7528 Stream API \u904d\u5386\u6570\u7ec4\uff0c\u5e76\u4f7f\u7528 forEach() \u65b9\u6cd5\u6253\u5370\u6bcf\u4e2a\u503c\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48\u8f93\u51fa\u987a\u5e8f\u6570\u7ec4\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>\u5728 java \u4e2d\uff0c\u6709\u56db\u79cd\u65b9\u6cd5\u6309\u987a\u5e8f\u6253\u5370\u6570\u7ec4\u503c\uff1a\u4f7f\u7528 for-each \u5faa\u73af\u3001\u4f20\u7edf for \u5faa\u73af\u3001arrays.tostring() \u65b9\u6cd5\u548c stream api\u3002 \u5728 Java \u4e2d\u6309\u987a\u5e8f\u6253\u5370\u6570\u7ec4\u503c \u5728 Java \u4e2d\uff0c\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u6309\u987a\u5e8f\u6253\u5370\u6570\u7ec4\u503c\uff1a 1. \u4f7f\u7528 for-each \u5faa\u73af\uff1a int[] numbers = {1, 2, 3, 4, 5}; for (int number : numbers) { System.out.println(number); } \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u4f9d\u6b21\u6253\u5370\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u503c\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b 2. \u4f7f\u7528\u4f20\u7edf for \u5faa\u73af\uff1a for (int i = 0; i &lt; numbers.length; i++) { System.out.println(numbers[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-66241","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66241","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=66241"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66241\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66241"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66241"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}