{"id":65306,"date":"2025-05-03T12:52:00","date_gmt":"2025-05-03T04:52:00","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65306\/"},"modified":"2025-05-03T12:52:00","modified_gmt":"2025-05-03T04:52:00","slug":"java-%e6%80%8e%e4%b9%88%e6%89%8b%e5%8a%a8%e8%be%93%e5%85%a5%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65306\/","title":{"rendered":"java \u600e\u4e48\u624b\u52a8\u8f93\u5165\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u624b\u52a8\u7684\u8f93\u5165\u6570\u7ec4\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528 for \u5faa\u73af\u548c scanner \u5bf9\u8c61\u9010\u4e2a\u8f93\u5165\u5143\u7d20\u3002\u4f7f\u7528 arrays.fill() \u65b9\u6cd5\u6279\u91cf\u8f93\u5165\u5143\u7d20\uff0c\u4ee5\u7a7a\u683c\u5206\u9694\u7684\u5b57\u7b26\u4e32\u7684\u5f62\u5f0f\u3002\u4f7f\u7528 bufferedreader \u548c stringtokenizer \u6279\u91cf\u8f93\u5165\u5143\u7d20\uff0c\u4ee5\u7a7a\u683c\u5206\u9694\u7684\u5b57\u7b26\u4e32\u7684\u5f62\u5f0f\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/12\/2024111219365287411.jpg\" class=\"aligncenter\" title=\"java \u600e\u4e48\u624b\u52a8\u8f93\u5165\u6570\u7ec4\u63d2\u56fe\" alt=\"java \u600e\u4e48\u624b\u52a8\u8f93\u5165\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u624b\u52a8\u8f93\u5165\u6570\u7ec4<\/strong><\/p>\n<p><strong>\u65b9\u6cd5<\/strong><\/p>\n<p><strong>1. \u4f7f\u7528 for \u5faa\u73af\u548c Scanner \u5bf9\u8c61<\/strong><\/p>\n<pre>import java.util.Scanner;\n\npublic class Main {\n\n    public static void main(String[] args) {\n        Scanner scanner = new Scanner(System.in);\n\n        \/\/ \u8f93\u5165\u6570\u7ec4\u5927\u5c0f\n        System.out.println(\"\u8bf7\u8f93\u5165\u6570\u7ec4\u5927\u5c0f\uff1a\");\n        int n = scanner.nextInt();\n\n        \/\/ \u521b\u5efa\u6570\u7ec4\n        int[] arr = new int[n];\n\n        \/\/ \u4f7f\u7528 for \u5faa\u73af\u624b\u52a8\u8f93\u5165\u6bcf\u4e2a\u5143\u7d20\n        System.out.println(\"\u8bf7\u8f93\u5165\u6570\u7ec4\u5143\u7d20\uff1a\");\n        for (int i = 0; i &lt; n; i++) {\n            arr[i] = scanner.nextInt();\n        }\n\n        scanner.close();\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528 Arrays.fill() \u65b9\u6cd5<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>import java.util.Arrays;\nimport java.util.Scanner;\n\npublic class Main {\n\n    public static void main(String[] args) {\n        Scanner scanner = new Scanner(System.in);\n\n        \/\/ \u8f93\u5165\u6570\u7ec4\u5927\u5c0f\n        System.out.println(\"\u8bf7\u8f93\u5165\u6570\u7ec4\u5927\u5c0f\uff1a\");\n        int n = scanner.nextInt();\n\n        \/\/ \u521b\u5efa\u6570\u7ec4\n        int[] arr = new int[n];\n\n        \/\/ \u4f7f\u7528 Arrays.fill() \u65b9\u6cd5\u624b\u52a8\u8f93\u5165\u6bcf\u4e2a\u5143\u7d20\n        System.out.println(\"\u8bf7\u8f93\u5165\u6570\u7ec4\u5143\u7d20\uff08\u4ee5\u7a7a\u683c\u5206\u9694\uff09\uff1a\");\n        String input = scanner.nextLine();\n        String[] elements = input.split(\" \");\n\n        for (int i = 0; i &lt; n; i++) {\n            arr[i] = Integer.parseInt(elements[i]);\n        }\n\n        scanner.close();\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u4f7f\u7528 BufferedReader \u548c StringTokenizer<\/strong><\/p>\n<pre>import java.io.BufferedReader;\nimport java.io.IOException;\nimport java.io.InputStreamReader;\nimport java.util.StringTokenizer;\n\npublic class Main {\n\n    public static void main(String[] args) throws IOException {\n        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));\n\n        \/\/ \u8f93\u5165\u6570\u7ec4\u5927\u5c0f\n        System.out.println(\"\u8bf7\u8f93\u5165\u6570\u7ec4\u5927\u5c0f\uff1a\");\n        int n = Integer.parseInt(br.readLine());\n\n        \/\/ \u521b\u5efa\u6570\u7ec4\n        int[] arr = new int[n];\n\n        \/\/ \u4f7f\u7528 BufferedReader \u548c StringTokenizer \u624b\u52a8\u8f93\u5165\u6bcf\u4e2a\u5143\u7d20\n        System.out.println(\"\u8bf7\u8f93\u5165\u6570\u7ec4\u5143\u7d20\uff08\u4ee5\u7a7a\u683c\u5206\u9694\uff09\uff1a\");\n        String input = br.readLine();\n        StringTokenizer tokenizer = new StringTokenizer(input, \" \");\n\n        for (int i = 0; i &lt; n; i++) {\n            arr[i] = Integer.parseInt(tokenizer.nextToken());\n        }\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava \u600e\u4e48\u624b\u52a8\u8f93\u5165\u6570\u7ec4\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>\u624b\u52a8\u7684\u8f93\u5165\u6570\u7ec4\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528 for \u5faa\u73af\u548c scanner \u5bf9\u8c61\u9010\u4e2a\u8f93\u5165\u5143\u7d20\u3002\u4f7f\u7528 arrays.fill() \u65b9\u6cd5\u6279\u91cf\u8f93\u5165\u5143\u7d20\uff0c\u4ee5\u7a7a\u683c\u5206\u9694\u7684\u5b57\u7b26\u4e32\u7684\u5f62\u5f0f\u3002\u4f7f\u7528 bufferedreader \u548c stringtokenizer \u6279\u91cf\u8f93\u5165\u5143\u7d20\uff0c\u4ee5\u7a7a\u683c\u5206\u9694\u7684\u5b57\u7b26\u4e32\u7684\u5f62\u5f0f\u3002 \u5982\u4f55\u624b\u52a8\u8f93\u5165\u6570\u7ec4 \u65b9\u6cd5 1. \u4f7f\u7528 for \u5faa\u73af\u548c Scanner \u5bf9\u8c61 import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); \/\/ \u8f93\u5165\u6570\u7ec4\u5927\u5c0f System.out.println(&#8220;\u8bf7\u8f93\u5165\u6570\u7ec4\u5927\u5c0f\uff1a&#8221;); int n = scanner.nextInt(); \/\/ \u521b\u5efa\u6570\u7ec4 int[] arr = new int[n]; \/\/ \u4f7f\u7528 for \u5faa\u73af\u624b\u52a8\u8f93\u5165\u6bcf\u4e2a\u5143\u7d20 System.out.println(&#8220;\u8bf7\u8f93\u5165\u6570\u7ec4\u5143\u7d20\uff1a&#8221;); [&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-65306","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65306","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=65306"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65306\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65306"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}