[Java] 纯文本查看 复制代码

public class Demo6 {
    public static void main(String[] args) {
        String [] str ={"篮球","足球","鞋子","安全"};
        Random rd = new Random();
        Scanner sc = new Scanner(System.in);
        List<Integer> list = new ArrayList<>();
        Map<String,String> map = new HashMap<>();
        for (int i = 0; i < 6; i++) {
            list.add(rd.nextInt(10));
        }
        for (String s : str) {
            map.put(quhuoma(list),s);
        }
        System.out.println(map);
        String quhuoma = sc.next();
        Set<Map.Entry<String,String >> set = map.entrySet();
        for (Map.Entry<String, String> entry : set) {
            if (entry.getKey().equals(quhuoma)) {
                System.out.println(entry.getValue());
                return;
            }
        }
        System.out.println("对不起！取货码有误");
    }

    public static String quhuoma(List list) {
        Collections.shuffle(list);
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < 6; i++) {
            String a = list.get(i) + "";
            sb.append(a);
        }
        return  sb.toString();
    }
}

[Java] 纯文本查看 复制代码

public class Demo6 {
    public static void main(String[] args) {
        String [] str ={"篮球","足球","鞋子","安全"};
        Random rd = new Random();
        Scanner sc = new Scanner(System.in);
        List<Integer> list = new ArrayList<>();
        Map<String,String> map = new HashMap<>();
        for (int i = 0; i < 6; i++) {
            list.add(rd.nextInt(10));
        }
        for (String s : str) {
            map.put(quhuoma(list),s);
        }
        System.out.println(map);
        String quhuoma = sc.next();
        Set<Map.Entry<String,String >> set = map.entrySet();
        for (Map.Entry<String, String> entry : set) {
            if (entry.getKey().equals(quhuoma)) {
                System.out.println(entry.getValue());
                return;
            }
        }
        System.out.println("对不起！取货码有误");
    }

    public static String quhuoma(List list) {
        Collections.shuffle(list);
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < 6; i++) {
            String a = list.get(i) + "";
            sb.append(a);
        }
        return  sb.toString();
    }
}