JavaHW-6 (1)

package Assignment1;

import java.awt.Checkbox;
import java.awt.Container;
import java.util.Scanner;

public class Problem6 {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int arr[] = new int[11];
        int check[] = new int[1000000];

        for (int i = 0; i < arr.length;) {
            int num = in.nextInt();
            if (check[num] == 4) {
                System.out.println("Plz enter an uniqe number");
            } else {
                arr[i] = num;
                check[arr[i]]++;
                i++;
            }
        }
        for (int i = 0; i < arr.length; i++) {
            System.out.print(arr[i] + " ");
        }
    }

}