{"id":37605,"date":"2024-11-26T16:41:41","date_gmt":"2024-11-26T08:41:41","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37605\/"},"modified":"2024-11-26T16:41:41","modified_gmt":"2024-11-26T08:41:41","slug":"java%e6%80%8e%e4%b9%88%e8%be%93%e5%85%a5%e4%b8%8e%e8%be%93%e5%87%ba%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37605\/","title":{"rendered":"java\u600e\u4e48\u8f93\u5165\u4e0e\u8f93\u51fa\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\uff0c\u6570\u7ec4\u8f93\u5165\u4e0e\u8f93\u51fa\u7684\u65b9\u5f0f\u5305\u62ec\uff1a\u63a7\u5236\u53f0\u8f93\u5165\uff1a\u4f7f\u7528 scanner \u7c7b\u4ece\u63a7\u5236\u53f0\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\u548c\u5143\u7d20\u3002\u6587\u4ef6\u8f93\u5165\uff1a\u4f7f\u7528\u6587\u4ef6\u8bfb\u53d6\u5668\u7c7b\u4ece\u6587\u4ef6\u4e2d\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\u548c\u5143\u7d20\u3002\u6570\u7ec4\u8f93\u51fa\u7684\u65b9\u5f0f\u5305\u62ec\uff1a\u63a7\u5236\u53f0\u8f93\u51fa\uff1a\u4f7f\u7528 system.out.print() \u65b9\u6cd5\u8f93\u51fa\u6570\u7ec4\u5143\u7d20\u3002\u6587\u4ef6\u8f93\u51fa\uff1a\u4f7f\u7528\u6587\u4ef6\u5199\u5165\u5668\u7c7b\u5c06\u6570\u7ec4\u5143\u7d20\u8f93\u51fa\u5230\u6587\u4ef6\u4e2d\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111307424624070.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u8f93\u5165\u4e0e\u8f93\u51fa\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u8f93\u5165\u4e0e\u8f93\u51fa\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>Java\u4e2d\u6570\u7ec4\u7684\u8f93\u5165\u4e0e\u8f93\u51fa<\/strong><\/p>\n<p><strong>\u8f93\u5165\u6570\u7ec4<\/strong><\/p>\n<p><strong>\u63a7\u5236\u53f0\u8f93\u5165<\/strong><\/p>\n<pre>\/\/ \u4f7f\u7528Scanner\u7c7b\u4ece\u63a7\u5236\u53f0\u8f93\u5165\u6570\u7ec4\u5143\u7d20\nimport java.util.Scanner;\n\npublic class ArrayInput {\n\n    public static void main(String[] args) {\n        Scanner scanner = new Scanner(System.in);\n\n        \/\/ \u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\n        int length = scanner.nextInt();\n\n        \/\/ \u521b\u5efa\u6570\u7ec4\n        int[] arr = new int[length];\n\n        \/\/ \u9010\u4e2a\u8f93\u5165\u6570\u7ec4\u5143\u7d20\n        for (int i = 0; i &lt; length; i++) {\n            arr[i] = scanner.nextInt();\n        }\n\n        \/\/ \u5173\u95edScanner\u5bf9\u8c61\n        scanner.close();\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6587\u4ef6\u8f93\u5165<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>\/\/ \u4f7f\u7528\u6587\u4ef6\u8bfb\u53d6\u5668\u7c7b\u4ece\u6587\u4ef6\u8f93\u5165\u6570\u7ec4\u5143\u7d20\nimport java.io.File;\nimport java.io.FileReader;\nimport java.io.BufferedReader;\nimport java.io.IOException;\n\npublic class ArrayInputFromFile {\n\n    public static void main(String[] args) {\n        try {\n            \/\/ \u521b\u5efa\u6587\u4ef6\u8bfb\u53d6\u5668\n            FileReader fileReader = new FileReader(new File(\"input.txt\"));\n            BufferedReader bufferedReader = new BufferedReader(fileReader);\n\n            \/\/ \u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\n            int length = Integer.parseInt(bufferedReader.readLine());\n\n            \/\/ \u521b\u5efa\u6570\u7ec4\n            int[] arr = new int[length];\n\n            \/\/ \u9010\u4e2a\u8f93\u5165\u6570\u7ec4\u5143\u7d20\n            for (int i = 0; i &lt; length; i++) {\n                arr[i] = Integer.parseInt(bufferedReader.readLine());\n            }\n\n            \/\/ \u5173\u95edBufferedReader\u548cFileReader\u5bf9\u8c61\n            bufferedReader.close();\n            fileReader.close();\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8f93\u51fa\u6570\u7ec4<\/strong><\/p>\n<p><strong>\u63a7\u5236\u53f0\u8f93\u51fa<\/strong><\/p>\n<pre>\/\/ \u4f7f\u7528System.out.print()\u65b9\u6cd5\u8f93\u51fa\u6570\u7ec4\u5143\u7d20\npublic static void printArray(int[] arr) {\n    for (int element : arr) {\n        System.out.print(element + \" \");\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6587\u4ef6\u8f93\u51fa<\/strong><\/p>\n<pre>\/\/ \u4f7f\u7528\u6587\u4ef6\u5199\u5165\u5668\u7c7b\u8f93\u51fa\u6570\u7ec4\u5143\u7d20\u5230\u6587\u4ef6\nimport java.io.File;\nimport java.io.FileWriter;\nimport java.io.IOException;\n\npublic class ArrayOutputToFile {\n\n    public static void main(String[] args) {\n        try {\n            \/\/ \u521b\u5efa\u6587\u4ef6\u5199\u5165\u5668\n            FileWriter fileWriter = new FileWriter(new File(\"output.txt\"));\n\n            \/\/ \u8f93\u51fa\u6570\u7ec4\u5143\u7d20\n            for (int element : arr) {\n                fileWriter.write(String.valueOf(element) + \" \");\n            }\n\n            \/\/ \u5173\u95edFileWriter\u5bf9\u8c61\n            fileWriter.close();\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u8f93\u5165\u4e0e\u8f93\u51fa\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>\u5728 java \u4e2d\uff0c\u6570\u7ec4\u8f93\u5165\u4e0e\u8f93\u51fa\u7684\u65b9\u5f0f\u5305\u62ec\uff1a\u63a7\u5236\u53f0\u8f93\u5165\uff1a\u4f7f\u7528 scanner \u7c7b\u4ece\u63a7\u5236\u53f0\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\u548c\u5143\u7d20\u3002\u6587\u4ef6\u8f93\u5165\uff1a\u4f7f\u7528\u6587\u4ef6\u8bfb\u53d6\u5668\u7c7b\u4ece\u6587\u4ef6\u4e2d\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\u548c\u5143\u7d20\u3002\u6570\u7ec4\u8f93\u51fa\u7684\u65b9\u5f0f\u5305\u62ec\uff1a\u63a7\u5236\u53f0\u8f93\u51fa\uff1a\u4f7f\u7528 system.out.print() \u65b9\u6cd5\u8f93\u51fa\u6570\u7ec4\u5143\u7d20\u3002\u6587\u4ef6\u8f93\u51fa\uff1a\u4f7f\u7528\u6587\u4ef6\u5199\u5165\u5668\u7c7b\u5c06\u6570\u7ec4\u5143\u7d20\u8f93\u51fa\u5230\u6587\u4ef6\u4e2d\u3002 Java\u4e2d\u6570\u7ec4\u7684\u8f93\u5165\u4e0e\u8f93\u51fa \u8f93\u5165\u6570\u7ec4 \u63a7\u5236\u53f0\u8f93\u5165 \/\/ \u4f7f\u7528Scanner\u7c7b\u4ece\u63a7\u5236\u53f0\u8f93\u5165\u6570\u7ec4\u5143\u7d20 import java.util.Scanner; public class ArrayInput { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); \/\/ \u83b7\u53d6\u6570\u7ec4\u957f\u5ea6 int length = scanner.nextInt(); \/\/ \u521b\u5efa\u6570\u7ec4 int[] arr = new int[length]; \/\/ \u9010\u4e2a\u8f93\u5165\u6570\u7ec4\u5143\u7d20 for (int i = 0; i &lt; length; i++) { arr[i] [&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-37605","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37605","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=37605"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37605\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37605"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37605"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37605"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}