{"id":65408,"date":"2025-05-03T17:46:07","date_gmt":"2025-05-03T09:46:07","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65408\/"},"modified":"2025-05-03T17:46:07","modified_gmt":"2025-05-03T09:46:07","slug":"%e6%80%8e%e4%b9%88%e6%89%93%e5%8d%b0%e6%95%b0%e7%bb%84-java-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65408\/","title":{"rendered":"\u600e\u4e48\u6253\u5370\u6570\u7ec4 java"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u6253\u5370\u6570\u7ec4\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528 system.out.println() \u65b9\u6cd5\u9010\u4e2a\u5143\u7d20\u8f93\u51fa\u3002\u5229\u7528 arrays.tostring() \u65b9\u6cd5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u8f93\u51fa\u3002\u4f7f\u7528 foreach() \u65b9\u6cd5\uff08java 8\uff09\u904d\u5386\u5e76\u8f93\u51fa\u6570\u7ec4\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/12\/2024111223520849306.jpg\" class=\"aligncenter\" title=\"\u600e\u4e48\u6253\u5370\u6570\u7ec4 java\u63d2\u56fe\" alt=\"\u600e\u4e48\u6253\u5370\u6570\u7ec4 java\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u6253\u5370\u6570\u7ec4 Java<\/strong><\/p>\n<p><strong>\u4f7f\u7528 System.out.println() \u65b9\u6cd5<\/strong><\/p>\n<p>\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 System.out.println() \u65b9\u6cd5\uff0c\u5b83\u53ef\u4ee5\u5728\u4e00\u884c\u7684\u63a7\u5236\u53f0\u4e0a\u6253\u5370\u4e00\u4e2a\u6216\u591a\u4e2a\u5bf9\u8c61\u3002<\/p>\n<p><strong>\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\n\nfor (int i = 0; i &lt; arr.length; i++) {\n    System.out.print(arr[i] + \" \");\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8f93\u51fa\uff1a<\/strong><\/p>\n<pre>1 2 3 4 5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 Arrays.toString() \u65b9\u6cd5<\/strong><\/p>\n<p>Arrays.toString() \u65b9\u6cd5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u53ef\u4ee5\u4f7f\u7528 System.out.println() \u65b9\u6cd5\u6253\u5370\u3002<\/p>\n<p><strong>\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\n\nSystem.out.println(Arrays.toString(arr));<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8f93\u51fa\uff1a<\/strong><\/p>\n<pre>[1, 2, 3, 4, 5]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 forEach() \u65b9\u6cd5\uff08Java 8\uff09<\/strong><\/p>\n<p>Java 8 \u5f15\u5165\u4e86 forEach() \u65b9\u6cd5\uff0c\u5b83\u5141\u8bb8\u4f7f\u7528\u4e00\u4e2a lambda \u8868\u8fbe\u5f0f\u904d\u5386\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\u3002<\/p>\n<p><strong>\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\n\nArrays.stream(arr).forEach(System.out::println);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8f93\u51fa\uff1a<\/strong><\/p>\n<pre>1\n2\n3\n4\n5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u6253\u5370\u6570\u7ec4 java\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\u6253\u5370\u6570\u7ec4\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528 system.out.println() \u65b9\u6cd5\u9010\u4e2a\u5143\u7d20\u8f93\u51fa\u3002\u5229\u7528 arrays.tostring() \u65b9\u6cd5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u8f93\u51fa\u3002\u4f7f\u7528 foreach() \u65b9\u6cd5\uff08java 8\uff09\u904d\u5386\u5e76\u8f93\u51fa\u6570\u7ec4\u5143\u7d20\u3002 \u5982\u4f55\u6253\u5370\u6570\u7ec4 Java \u4f7f\u7528 System.out.println() \u65b9\u6cd5 \u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 System.out.println() \u65b9\u6cd5\uff0c\u5b83\u53ef\u4ee5\u5728\u4e00\u884c\u7684\u63a7\u5236\u53f0\u4e0a\u6253\u5370\u4e00\u4e2a\u6216\u591a\u4e2a\u5bf9\u8c61\u3002 \u4ee3\u7801\u793a\u4f8b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] arr = {1, 2, 3, 4, 5}; for (int i = 0; i &lt; arr.length; i++) { System.out.print(arr[i] + &#8221; &#8220;); } \u767b\u5f55\u540e\u590d\u5236 \u8f93\u51fa\uff1a 1 2 3 4 5 \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528 Arrays.toString() \u65b9\u6cd5 Arrays.toString() \u65b9\u6cd5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u53ef\u4ee5\u4f7f\u7528 [&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-65408","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65408","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=65408"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65408\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65408"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65408"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65408"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}