{"id":65256,"date":"2025-05-03T15:56:14","date_gmt":"2025-05-03T07:56:14","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65256\/"},"modified":"2025-05-03T15:56:14","modified_gmt":"2025-05-03T07:56:14","slug":"%e6%80%8e%e4%b9%88%e8%be%93%e5%87%ba%e6%95%b0%e7%bb%84java-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65256\/","title":{"rendered":"\u600e\u4e48\u8f93\u51fa\u6570\u7ec4java"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u8f93\u51fa\u6570\u7ec4\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528 system.out.println() \u76f4\u63a5\u6253\u5370\u6570\u7ec4\u3002\u4f7f\u7528 arrays.tostring() \u8fd4\u56de\u5305\u542b\u6240\u6709\u5143\u7d20\u7684\u5b57\u7b26\u4e32\u8868\u793a\u3002\u4f7f\u7528 foreach \u5faa\u73af\u904d\u5386\u6570\u7ec4\u5e76\u9010\u4e2a\u6253\u5370\u5143\u7d20\u3002\u4f7f\u7528 stream api \u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u6d41\u5e76\u4f7f\u7528 foreach() \u904d\u5386\u6253\u5370\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/12\/2024111214485998132.jpg\" class=\"aligncenter\" title=\"\u600e\u4e48\u8f93\u51fa\u6570\u7ec4java\u63d2\u56fe\" alt=\"\u600e\u4e48\u8f93\u51fa\u6570\u7ec4java\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u8f93\u51fa\u6570\u7ec4 Java<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u8f93\u51fa\u6570\u7ec4\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528 System.out.println() \u65b9\u6cd5<\/strong><\/p>\n<p>\u8fd9\u662f\u6700\u7b80\u5355\u7684\u8f93\u51fa\u6570\u7ec4\u7684\u65b9\u6cd5\uff0c\u5b83\u5c06\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20\u90fd\u6253\u5370\u5230\u63a7\u5236\u53f0\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\nSystem.out.println(arr); \/\/ \u8f93\u51fa\uff1a [I@7fa72d5a<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528 Arrays.toString() \u65b9\u6cd5<\/strong><\/p>\n<p>\u8fd9\u4e2a\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u5176\u4e2d\u5305\u542b\u6570\u7ec4\u4e2d\u6240\u6709\u5143\u7d20\u7684\u683c\u5f0f\u5316\u8868\u793a\u3002<\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\nSystem.out.println(Arrays.toString(arr)); \/\/ \u8f93\u51fa\uff1a [1, 2, 3, 4, 5]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u4f7f\u7528\u5faa\u73af<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528 forEach \u5faa\u73af\u904d\u5386\u6570\u7ec4\u5e76\u9010\u4e2a\u6253\u5370\u5143\u7d20\u3002<\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\nfor (int element : arr) {\n  System.out.println(element);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u4f7f\u7528 Stream API<\/strong><\/p>\n<p>Java 8 \u5f15\u5165\u4e86 Stream API\uff0c\u5b83\u4e3a\u5904\u7406\u6570\u7ec4\u63d0\u4f9b\u4e86\u66f4\u5177\u8868\u8fbe\u6027\u7684\u65b9\u5f0f\u3002\u53ef\u4ee5\u4f7f\u7528 map() \u65b9\u6cd5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u6d41\uff0c\u7136\u540e\u4f7f\u7528 forEach() \u65b9\u6cd5\u904d\u5386\u6d41\u5e76\u6253\u5370\u5143\u7d20\u3002<\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\nArrays.stream(arr).forEach(System.out::println);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u8f93\u51fa\u6570\u7ec4java\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\u8f93\u51fa\u6570\u7ec4\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528 system.out.println() \u76f4\u63a5\u6253\u5370\u6570\u7ec4\u3002\u4f7f\u7528 arrays.tostring() \u8fd4\u56de\u5305\u542b\u6240\u6709\u5143\u7d20\u7684\u5b57\u7b26\u4e32\u8868\u793a\u3002\u4f7f\u7528 foreach \u5faa\u73af\u904d\u5386\u6570\u7ec4\u5e76\u9010\u4e2a\u6253\u5370\u5143\u7d20\u3002\u4f7f\u7528 stream api \u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u6d41\u5e76\u4f7f\u7528 foreach() \u904d\u5386\u6253\u5370\u5143\u7d20\u3002 \u5982\u4f55\u8f93\u51fa\u6570\u7ec4 Java \u5728 Java \u4e2d\uff0c\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u8f93\u51fa\u6570\u7ec4\uff1a 1. \u4f7f\u7528 System.out.println() \u65b9\u6cd5 \u8fd9\u662f\u6700\u7b80\u5355\u7684\u8f93\u51fa\u6570\u7ec4\u7684\u65b9\u6cd5\uff0c\u5b83\u5c06\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20\u90fd\u6253\u5370\u5230\u63a7\u5236\u53f0\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] arr = {1, 2, 3, 4, 5}; System.out.println(arr); \/\/ \u8f93\u51fa\uff1a [I@7fa72d5a \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 Arrays.toString() \u65b9\u6cd5 \u8fd9\u4e2a\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u5176\u4e2d\u5305\u542b\u6570\u7ec4\u4e2d\u6240\u6709\u5143\u7d20\u7684\u683c\u5f0f\u5316\u8868\u793a\u3002 int[] arr = {1, 2, 3, 4, 5}; System.out.println(Arrays.toString(arr)); \/\/ \u8f93\u51fa\uff1a [1, 2, [&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-65256","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65256","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=65256"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65256\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}