2.duplicate array

import java.util.*;
import java.lang.*;
class duplicate
{
    public static void main(String args[])
    {
        Scanner t = new Scanner(System.in);
        System.out.println("Enter the size of array");
        int n = t.nextInt();
        int i,k,j;
        int a[] = new int[n];
        System.out.println("enter elements in array");
        for(i=0;i<n;i++)
        {
        a[i] = t.nextInt();
        }
        System.out.println("original array is given below:");
        for(i=0;i<n;i++)
        {
        System.out.print(a[i]+"   ");
        }
        System.out.println("");
        for(i=0;i<n;i++)
        {
            for(j=i+1;j<n;)
            {
                if(a[i]==a[j])
                {
                    for(k=j;k<n-1;k++)
                    {
                        a[k]=a[k+1];

                    }
                                   n--;
                }
                else
                j++;
            }
        }
        System.out.println("updated array is given below:");
        for(i=0;i<n;i++)
        {
            System.out.print(a[i]+" ");
        }
    }
}