{"id":39578,"date":"2024-11-26T10:49:11","date_gmt":"2024-11-26T02:49:11","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39578\/"},"modified":"2024-11-26T10:49:11","modified_gmt":"2024-11-26T02:49:11","slug":"java%e6%80%8e%e4%b9%88%e4%bb%8e%e6%8e%a7%e5%88%b6%e5%8f%b0%e8%be%93%e5%85%a5%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39578\/","title":{"rendered":"java\u600e\u4e48\u4ece\u63a7\u5236\u53f0\u8f93\u5165\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u5982\u4f55\u5728 java \u4e2d\u4ece\u63a7\u5236\u53f0\u8f93\u5165\u6570\u7ec4\uff1f\u4f7f\u7528 scanner \u7c7b\uff1a\u521b\u5efa scanner \u5bf9\u8c61\u8bfb\u53d6\u6570\u7ec4\u5927\u5c0f\u521b\u5efa\u6570\u7ec4\u8f93\u5165\u6570\u7ec4\u5143\u7d20\u5173\u95ed scanner \u5bf9\u8c61\u4f7f\u7528 bufferedreader \u7c7b\uff1a\u521b\u5efa bufferedreader \u5bf9\u8c61\u8bfb\u53d6\u6570\u7ec4\u5927\u5c0f\u521b\u5efa\u6570\u7ec4\u8f93\u5165\u6570\u7ec4\u5143\u7d20\u5173\u95ed bufferedreader \u5bf9\u8c61\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111613334751743.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u4ece\u63a7\u5236\u53f0\u8f93\u5165\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u4ece\u63a7\u5236\u53f0\u8f93\u5165\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u4ece\u63a7\u5236\u53f0\u8f93\u5165\u6570\u7ec4<\/strong><\/p>\n<p>\u4ece\u63a7\u5236\u53f0\u4e2d\u8f93\u5165\u6570\u7ec4\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u64cd\u4f5c\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406\u7528\u6237\u8f93\u5165\u6216\u6267\u884c\u7279\u5b9a\u4efb\u52a1\u65f6\u3002Java \u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\u3002<\/p>\n<p><strong>Scanner \u7c7b<\/strong><\/p>\n<p>Scanner \u7c7b\u662f Java \u4e2d\u4ece\u63a7\u5236\u53f0\u8bfb\u53d6\u6570\u636e\u7684\u6807\u51c6\u673a\u5236\u3002\u8981\u4f7f\u7528 Scanner \u4ece\u63a7\u5236\u53f0\u8f93\u5165\u6570\u7ec4\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u64cd\u4f5c\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ol>\n<li> <strong>\u521b\u5efa Scanner \u5bf9\u8c61\uff1a<\/strong>\u4f7f\u7528 System.in \u4f5c\u4e3a\u8f93\u5165\u6d41\u521b\u5efa\u4e00\u4e2a Scanner \u5bf9\u8c61\u3002<\/li>\n<\/ol>\n<pre>Scanner scanner = new Scanner(System.in);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li> <strong>\u8bfb\u53d6\u6570\u7ec4\u5927\u5c0f\uff1a<\/strong>\u4f7f\u7528 nextInt() \u65b9\u6cd5\u4ece\u63a7\u5236\u53f0\u8bfb\u53d6\u6570\u7ec4\u7684\u5927\u5c0f\u3002<\/li>\n<\/ol>\n<pre>int size = scanner.nextInt();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li> <strong>\u521b\u5efa\u6570\u7ec4\uff1a<\/strong>\u6839\u636e\u8bfb\u53d6\u7684\u5927\u5c0f\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\u3002<\/li>\n<\/ol>\n<pre>int[] array = new int[size];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li> <strong>\u8f93\u5165\u6570\u7ec4\u5143\u7d20\uff1a<\/strong>\u4f7f\u7528 nextInt() \u65b9\u6cd5\u9010\u4e2a\u4ece\u63a7\u5236\u53f0\u8bfb\u53d6\u6570\u7ec4\u5143\u7d20\u3002<\/li>\n<\/ol>\n<pre>for (int i = 0; i &lt; size; i++) {\n  array[i] = scanner.nextInt();\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li> <strong>\u5173\u95ed Scanner \u5bf9\u8c61\uff1a<\/strong>\u8f93\u5165\u5b8c\u6210\u540e\uff0c\u4f7f\u7528 close() \u65b9\u6cd5\u5173\u95ed Scanner \u5bf9\u8c61\u3002<\/li>\n<\/ol>\n<pre>scanner.close();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f8b\u5b50\uff1a<\/strong><\/p>\n<pre>import java.util.Scanner;\n\npublic class InputArray {\n\n  public static void main(String[] args) {\n    \/\/ \u521b\u5efa Scanner \u5bf9\u8c61\n    Scanner scanner = new Scanner(System.in);\n\n    \/\/ \u8bfb\u53d6\u6570\u7ec4\u5927\u5c0f\n    int size = scanner.nextInt();\n\n    \/\/ \u521b\u5efa\u6570\u7ec4\n    int[] array = new int[size];\n\n    \/\/ \u8f93\u5165\u6570\u7ec4\u5143\u7d20\n    for (int i = 0; i &lt; size; i++) {\n      array[i] = scanner.nextInt();\n    }\n\n    \/\/ \u5173\u95ed Scanner \u5bf9\u8c61\n    scanner.close();\n\n    \/\/ \u6253\u5370\u6570\u7ec4\u5143\u7d20\n    for (int element : array) {\n      System.out.println(element);\n    }\n  }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>BufferedReader \u7c7b<\/strong><\/p>\n<p>BufferedReader \u7c7b\u4e5f\u53ef\u4ee5\u7528\u6765\u4ece\u63a7\u5236\u53f0\u8f93\u5165\u6570\u7ec4\u3002\u5b83\u7684\u4f7f\u7528\u65b9\u5f0f\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li> <strong>\u521b\u5efa BufferedReader \u5bf9\u8c61\uff1a<\/strong>\u4f7f\u7528 System.in \u4f5c\u4e3a\u8f93\u5165\u6d41\u521b\u5efa\u4e00\u4e2a BufferedReader \u5bf9\u8c61\u3002<\/li>\n<\/ol>\n<pre>BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li> <strong>\u8bfb\u53d6\u6570\u7ec4\u5927\u5c0f\uff1a<\/strong>\u4f7f\u7528 readLine() \u65b9\u6cd5\u4ece\u63a7\u5236\u53f0\u8bfb\u53d6\u6570\u7ec4\u7684\u5927\u5c0f\u5e76\u8f6c\u6362\u4e3a\u6574\u6570\u3002<\/li>\n<\/ol>\n<pre>int size = Integer.parseInt(reader.readLine());<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li> <strong>\u521b\u5efa\u6570\u7ec4\uff1a<\/strong>\u6839\u636e\u8bfb\u53d6\u7684\u5927\u5c0f\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\u3002<\/li>\n<\/ol>\n<pre>int[] array = new int[size];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li> <strong>\u8f93\u5165\u6570\u7ec4\u5143\u7d20\uff1a<\/strong>\u4f7f\u7528 readLine() \u65b9\u6cd5\u9010\u4e2a\u4ece\u63a7\u5236\u53f0\u8bfb\u53d6\u6570\u7ec4\u5143\u7d20\u5e76\u8f6c\u6362\u4e3a\u6574\u6570\u3002<\/li>\n<\/ol>\n<pre>for (int i = 0; i &lt; size; i++) {\n  array[i] = Integer.parseInt(reader.readLine());\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li> <strong>\u5173\u95ed BufferedReader \u5bf9\u8c61\uff1a<\/strong>\u8f93\u5165\u5b8c\u6210\u540e\uff0c\u4f7f\u7528 close() \u65b9\u6cd5\u5173\u95ed BufferedReader \u5bf9\u8c61\u3002<\/li>\n<\/ol>\n<pre>reader.close();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f8b\u5b50\uff1a<\/strong><\/p>\n<pre>import java.io.BufferedReader;\nimport java.io.InputStreamReader;\n\npublic class InputArray {\n\n  public static void main(String[] args) throws Exception {\n    \/\/ \u521b\u5efa BufferedReader \u5bf9\u8c61\n    BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));\n\n    \/\/ \u8bfb\u53d6\u6570\u7ec4\u5927\u5c0f\n    int size = Integer.parseInt(reader.readLine());\n\n    \/\/ \u521b\u5efa\u6570\u7ec4\n    int[] array = new int[size];\n\n    \/\/ \u8f93\u5165\u6570\u7ec4\u5143\u7d20\n    for (int i = 0; i &lt; size; i++) {\n      array[i] = Integer.parseInt(reader.readLine());\n    }\n\n    \/\/ \u5173\u95ed BufferedReader \u5bf9\u8c61\n    reader.close();\n\n    \/\/ \u6253\u5370\u6570\u7ec4\u5143\u7d20\n    for (int element : array) {\n      System.out.println(element);\n    }\n  }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u4ece\u63a7\u5236\u53f0\u8f93\u5165\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5728 java \u4e2d\u4ece\u63a7\u5236\u53f0\u8f93\u5165\u6570\u7ec4\uff1f\u4f7f\u7528 scanner \u7c7b\uff1a\u521b\u5efa scanner \u5bf9\u8c61\u8bfb\u53d6\u6570\u7ec4\u5927\u5c0f\u521b\u5efa\u6570\u7ec4\u8f93\u5165\u6570\u7ec4\u5143\u7d20\u5173\u95ed scanner \u5bf9\u8c61\u4f7f\u7528 bufferedreader \u7c7b\uff1a\u521b\u5efa bufferedreader \u5bf9\u8c61\u8bfb\u53d6\u6570\u7ec4\u5927\u5c0f\u521b\u5efa\u6570\u7ec4\u8f93\u5165\u6570\u7ec4\u5143\u7d20\u5173\u95ed bufferedreader \u5bf9\u8c61 \u5982\u4f55\u5728 Java \u4e2d\u4ece\u63a7\u5236\u53f0\u8f93\u5165\u6570\u7ec4 \u4ece\u63a7\u5236\u53f0\u4e2d\u8f93\u5165\u6570\u7ec4\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u64cd\u4f5c\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406\u7528\u6237\u8f93\u5165\u6216\u6267\u884c\u7279\u5b9a\u4efb\u52a1\u65f6\u3002Java \u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\u3002 Scanner \u7c7b Scanner \u7c7b\u662f Java \u4e2d\u4ece\u63a7\u5236\u53f0\u8bfb\u53d6\u6570\u636e\u7684\u6807\u51c6\u673a\u5236\u3002\u8981\u4f7f\u7528 Scanner \u4ece\u63a7\u5236\u53f0\u8f93\u5165\u6570\u7ec4\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u64cd\u4f5c\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u521b\u5efa Scanner \u5bf9\u8c61\uff1a\u4f7f\u7528 System.in \u4f5c\u4e3a\u8f93\u5165\u6d41\u521b\u5efa\u4e00\u4e2a Scanner \u5bf9\u8c61\u3002 Scanner scanner = new Scanner(System.in); \u767b\u5f55\u540e\u590d\u5236 \u8bfb\u53d6\u6570\u7ec4\u5927\u5c0f\uff1a\u4f7f\u7528 nextInt() \u65b9\u6cd5\u4ece\u63a7\u5236\u53f0\u8bfb\u53d6\u6570\u7ec4\u7684\u5927\u5c0f\u3002 int size = scanner.nextInt(); \u767b\u5f55\u540e\u590d\u5236 \u521b\u5efa\u6570\u7ec4\uff1a\u6839\u636e\u8bfb\u53d6\u7684\u5927\u5c0f\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\u3002 int[] array = new [&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-39578","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39578","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=39578"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39578\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39578"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39578"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39578"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}