{"id":25245,"date":"2024-03-14T05:56:00","date_gmt":"2024-03-13T20:56:00","guid":{"rendered":"http:\/\/www.tyosuke20xx.com\/blog\/?p=25245"},"modified":"2024-03-14T05:56:02","modified_gmt":"2024-03-13T20:56:02","slug":"java-%e3%82%bf%e3%82%b9%e3%82%af%e7%ae%a1%e7%90%86","status":"publish","type":"post","link":"http:\/\/www.tyosuke20xx.com\/blog\/?p=25245","title":{"rendered":"Java \u30bf\u30b9\u30af\u7ba1\u7406"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>package sample;\nimport java.util.ArrayList;\nimport java.util.Scanner;\n\npublic class TaskManager {\n    private static ArrayList&lt;Task> tasks = new ArrayList&lt;>();\n    private static Scanner scanner = new Scanner(System.in);\n\n    public static void main(String&#91;] args) {\n        boolean running = true;\n\n        while (running) {\n            System.out.println(\"1. \u30bf\u30b9\u30af\u306e\u8ffd\u52a0\");\n            System.out.println(\"2. \u30bf\u30b9\u30af\u306e\u524a\u9664\");\n            System.out.println(\"3. \u30bf\u30b9\u30af\u306e\u8868\u793a\");\n            System.out.println(\"4. \u30bf\u30b9\u30af\u306e\u72b6\u614b\u3092\u5909\u66f4\");\n            System.out.println(\"5. \u7d42\u4e86\");\n            System.out.print(\"\u64cd\u4f5c\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044: \");\n            int choice = scanner.nextInt();\n            scanner.nextLine(); \/\/ \u6539\u884c\u3092\u8aad\u307f\u98db\u3070\u3059\n\n            switch (choice) {\n                case 1:\n                    addTask();\n                    break;\n                case 2:\n                    deleteTask();\n                    break;\n                case 3:\n                    displayTasks();\n                    break;\n                case 4:\n                    changeTaskStatus();\n                    break;\n                case 5:\n                    running = false;\n                    break;\n                default:\n                    System.out.println(\"\u7121\u52b9\u306a\u9078\u629e\u3067\u3059\u3002\");\n            }\n        }\n\n        scanner.close();\n    }\n\n    private static void addTask() {\n        System.out.print(\"\u30bf\u30b9\u30af\u306e\u540d\u524d\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044: \");\n        String name = scanner.nextLine();\n        System.out.print(\"\u30bf\u30b9\u30af\u306e\u671f\u9650\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044 (\u4f8b: YYYY-MM-DD): \");\n        String deadline = scanner.nextLine();\n        System.out.print(\"\u30bf\u30b9\u30af\u306e\u512a\u5148\u5ea6\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044 (\u9ad8\/\u4e2d\/\u4f4e): \");\n        String priority = scanner.nextLine();\n        tasks.add(new Task(name, deadline, priority));\n        System.out.println(\"\u30bf\u30b9\u30af\u3092\u8ffd\u52a0\u3057\u307e\u3057\u305f\u3002\");\n    }\n\n    private static void deleteTask() {\n        if (tasks.isEmpty()) {\n            System.out.println(\"\u524a\u9664\u3059\u308b\u30bf\u30b9\u30af\u306f\u3042\u308a\u307e\u305b\u3093\u3002\");\n            return;\n        }\n\n        System.out.println(\"\u524a\u9664\u3059\u308b\u30bf\u30b9\u30af\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044:\");\n        displayTasks();\n        System.out.print(\"\u524a\u9664\u3059\u308b\u30bf\u30b9\u30af\u306e\u756a\u53f7\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044: \");\n        int index = scanner.nextInt();\n        scanner.nextLine(); \/\/ \u6539\u884c\u3092\u8aad\u307f\u98db\u3070\u3059\n\n        if (index &lt; 1 || index > tasks.size()) {\n            System.out.println(\"\u7121\u52b9\u306a\u756a\u53f7\u3067\u3059\u3002\");\n        } else {\n            Task deletedTask = tasks.remove(index - 1);\n            System.out.println(deletedTask.getName() + \" \u3092\u524a\u9664\u3057\u307e\u3057\u305f\u3002\");\n        }\n    }\n\n    private static void displayTasks() {\n        if (tasks.isEmpty()) {\n            System.out.println(\"\u30bf\u30b9\u30af\u306f\u3042\u308a\u307e\u305b\u3093\u3002\");\n        } else {\n            System.out.println(\"\u73fe\u5728\u306e\u30bf\u30b9\u30af:\");\n            for (int i = 0; i &lt; tasks.size(); i++) {\n                System.out.println((i + 1) + \". \" + tasks.get(i));\n            }\n        }\n    }\n\n    private static void changeTaskStatus() {\n        if (tasks.isEmpty()) {\n            System.out.println(\"\u30bf\u30b9\u30af\u306f\u3042\u308a\u307e\u305b\u3093\u3002\");\n            return;\n        }\n\n        System.out.println(\"\u72b6\u614b\u3092\u5909\u66f4\u3059\u308b\u30bf\u30b9\u30af\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044:\");\n        displayTasks();\n        System.out.print(\"\u72b6\u614b\u3092\u5909\u66f4\u3059\u308b\u30bf\u30b9\u30af\u306e\u756a\u53f7\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044: \");\n        int index = scanner.nextInt();\n        scanner.nextLine(); \/\/ \u6539\u884c\u3092\u8aad\u307f\u98db\u3070\u3059\n\n        if (index &lt; 1 || index > tasks.size()) {\n            System.out.println(\"\u7121\u52b9\u306a\u756a\u53f7\u3067\u3059\u3002\");\n        } else {\n            Task task = tasks.get(index - 1);\n            System.out.print(\"\u65b0\u3057\u3044\u72b6\u614b\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044 (\u672a\u5b8c\u4e86\/\u9032\u884c\u4e2d\/\u5b8c\u4e86): \");\n            String newStatus = scanner.nextLine();\n            task.setStatus(newStatus);\n            System.out.println(task.getName() + \" \u306e\u72b6\u614b\u3092 \" + newStatus + \" \u306b\u5909\u66f4\u3057\u307e\u3057\u305f\u3002\");\n        }\n    }\n}\n\nclass Task {\n    private String name;\n    private String deadline;\n    private String priority;\n    private String status = \"\u672a\u5b8c\u4e86\"; \/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u72b6\u614b\u306f\u672a\u5b8c\u4e86\n\n    public Task(String name, String deadline, String priority) {\n        this.name = name;\n        this.deadline = deadline;\n        this.priority = priority;\n    }\n\n    public String getName() {\n        return name;\n    }\n\n    public String getStatus() {\n        return status;\n    }\n\n    public void setStatus(String status) {\n        this.status = status;\n    }\n\n    @Override\n    public String toString() {\n        return \"\u30bf\u30b9\u30af\u540d: \" + name + \", \u671f\u9650: \" + deadline + \", \u512a\u5148\u5ea6: \" + priority + \", \u72b6\u614b: \" + status;\n    }\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[76,4],"tags":[75,3],"class_list":["post-25245","post","type-post","status-publish","format-standard","hentry","category-java","category-programming","tag-java","tag-programming"],"aioseo_notices":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/25245","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=25245"}],"version-history":[{"count":1,"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/25245\/revisions"}],"predecessor-version":[{"id":25246,"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/25245\/revisions\/25246"}],"wp:attachment":[{"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=25245"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25245"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25245"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}