{"id":64296,"date":"2025-05-03T14:58:51","date_gmt":"2025-05-03T06:58:51","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64296\/"},"modified":"2025-05-03T14:58:51","modified_gmt":"2025-05-03T06:58:51","slug":"java%e6%80%8e%e4%b9%88%e6%8a%8a%e6%95%b0%e7%bb%84%e9%87%8c%e7%9a%84%e9%83%bd%e8%be%93%e5%87%ba-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64296\/","title":{"rendered":"java\u600e\u4e48\u628a\u6570\u7ec4\u91cc\u7684\u90fd\u8f93\u51fa"},"content":{"rendered":"<blockquote><p>\n  java \u63d0\u4f9b\u4e86\u591a\u79cd\u8f93\u51fa\u6570\u7ec4\u5143\u7d20\u7684\u65b9\u6cd5\uff0c\u5305\u62ec\uff1a\u4f7f\u7528 for \u5faa\u73af\u4f9d\u6b21\u6253\u5370\u6bcf\u4e2a\u5143\u7d20\u3002\u4f7f\u7528 for-each \u5faa\u73af\u4f9d\u6b21\u6253\u5370\u6bcf\u4e2a\u5143\u7d20\u3002\u4f7f\u7528 arrays.tostring() \u65b9\u6cd5\u4ee5\u5b57\u7b26\u4e32\u5f62\u5f0f\u8f93\u51fa\u6570\u7ec4\u3002\u4f7f\u7528 system.out.printf() \u65b9\u6cd5\u4ee5\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u5f62\u5f0f\u8f93\u51fa\u6570\u7ec4\u3002\u4f7f\u7528 stringbuilder \u6784\u5efa\u5b57\u7b26\u4e32\u5e76\u8f93\u51fa\u6784\u5efa\u7684\u5b57\u7b26\u4e32\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/03\/2024110304005487904.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u628a\u6570\u7ec4\u91cc\u7684\u90fd\u8f93\u51fa\u63d2\u56fe\" alt=\"java\u600e\u4e48\u628a\u6570\u7ec4\u91cc\u7684\u90fd\u8f93\u51fa\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528 Java \u8f93\u51fa\u6570\u7ec4\u4e2d\u7684\u5143\u7d20<\/strong><\/p>\n<p>\u4e3a\u4e86\u8f93\u51fa\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0cJava \u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u6700\u5e38\u7528\u7684\u65b9\u6cd5\uff1a<\/p>\n<p><strong>\u4f7f\u7528 for \u5faa\u73af<\/strong><\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\n\nfor (int i = 0; i &lt; arr.length; i++) {\n    System.out.println(arr[i]);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u5c06\u4f9d\u6b21\u8f93\u51fa\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u6bcf\u884c\u4e00\u4e2a\u5143\u7d20\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p><strong>\u4f7f\u7528 for-each \u5faa\u73af<\/strong><\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\n\nfor (int num : arr) {\n    System.out.println(num);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4e0e for \u5faa\u73af\u7c7b\u4f3c\uff0c\u8fd9\u5c06\u4f9d\u6b21\u8f93\u51fa\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002<\/p>\n<p><strong>\u4f7f\u7528 Arrays.toString() \u65b9\u6cd5<\/strong><\/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>\u8fd9\u5c06\u8f93\u51fa\u4e00\u4e2a\u7528\u65b9\u62ec\u53f7\u62ec\u8d77\u6765\u7684\u5b57\u7b26\u4e32\uff0c\u5176\u4e2d\u5305\u542b\u6570\u7ec4\u4e2d\u6240\u6709\u5143\u7d20\uff0c\u5143\u7d20\u4e4b\u95f4\u7528\u9017\u53f7\u5206\u9694\u3002<\/p>\n<p><strong>\u4f7f\u7528 System.out.printf() \u65b9\u6cd5<\/strong><\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\n\nSystem.out.printf(\"\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a%d \", arr);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u5c06\u8f93\u51fa\u4e00\u4e2a\u683c\u5f0f\u5316\u7684\u5b57\u7b26\u4e32\uff0c\u5176\u4e2d\u5305\u542b\u6570\u7ec4\u7684\u5143\u7d20\uff0c\u6bcf\u4e2a\u5143\u7d20\u90fd\u7528 %d \u8868\u793a\u3002<\/p>\n<p><strong>\u4f7f\u7528 StringBuilder<\/strong><\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\n\nStringBuilder sb = new StringBuilder();\nfor (int num : arr) {\n    sb.append(num).append(\" \");\n}\n\nSystem.out.println(sb.toString());<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u5b57\u7b26\u4e32\u6784\u5efa\u5668\uff0c\u8fde\u63a5\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff0c\u7136\u540e\u8f93\u51fa\u6784\u5efa\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u628a\u6570\u7ec4\u91cc\u7684\u90fd\u8f93\u51fa\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 \u63d0\u4f9b\u4e86\u591a\u79cd\u8f93\u51fa\u6570\u7ec4\u5143\u7d20\u7684\u65b9\u6cd5\uff0c\u5305\u62ec\uff1a\u4f7f\u7528 for \u5faa\u73af\u4f9d\u6b21\u6253\u5370\u6bcf\u4e2a\u5143\u7d20\u3002\u4f7f\u7528 for-each \u5faa\u73af\u4f9d\u6b21\u6253\u5370\u6bcf\u4e2a\u5143\u7d20\u3002\u4f7f\u7528 arrays.tostring() \u65b9\u6cd5\u4ee5\u5b57\u7b26\u4e32\u5f62\u5f0f\u8f93\u51fa\u6570\u7ec4\u3002\u4f7f\u7528 system.out.printf() \u65b9\u6cd5\u4ee5\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u5f62\u5f0f\u8f93\u51fa\u6570\u7ec4\u3002\u4f7f\u7528 stringbuilder \u6784\u5efa\u5b57\u7b26\u4e32\u5e76\u8f93\u51fa\u6784\u5efa\u7684\u5b57\u7b26\u4e32\u3002 \u5982\u4f55\u4f7f\u7528 Java \u8f93\u51fa\u6570\u7ec4\u4e2d\u7684\u5143\u7d20 \u4e3a\u4e86\u8f93\u51fa\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0cJava \u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u6700\u5e38\u7528\u7684\u65b9\u6cd5\uff1a \u4f7f\u7528 for \u5faa\u73af int[] arr = {1, 2, 3, 4, 5}; for (int i = 0; i &lt; arr.length; i++) { System.out.println(arr[i]); } \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u4f9d\u6b21\u8f93\u51fa\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u6bcf\u884c\u4e00\u4e2a\u5143\u7d20\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4f7f\u7528 for-each \u5faa\u73af int[] arr = {1, 2, 3, 4, 5}; for [&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-64296","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64296","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=64296"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64296\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64296"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64296"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64296"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}