Program to insert an element in an array

Program to insert an element in an array
import java.util.Scanner;
public class Rkin
 {
  public static void main(String[] args)
  {
   int pos,item,n;
   Scanner s=new Scanner(System.in);
   System.out.println("Enter Size Of Array :");
   n=s.nextInt();
   int[] a;//declaration of array
   a=new int[n+1]; // Creation of array with given size plus one
  
   for(int i=0;i<n;i++)
       {
        System.out.printf("enter a[%d] = ",i);
        a[i]=s.nextInt();
       }
   System.out.print("ARRAY before inserting an element  :\n");
   for(int i=0;i<n;i++)
       {
        System.out.print( a[i] +" ");
       }
   for(int i=0;i<n;i++)
   System.out.printf("\nAddress:%h ---array : a[%d] ---- data :%d  position : %d",i*4,i,a[i],i+1);
   System.out.print("\nenter the position of the item :\n");
   pos=s.nextInt();
   System.out.print("\nenter the item to be inserted :\n");
   item=s.nextInt();
   pos=pos-1;
   for(int j=n-1;j>=pos;j--)
       {
        a[j+1]=a[j];
       }
    a[pos]=item;
    for(int i=0;i<n+1;i++)
       {
        System.out.print( a[i] +" ");
       }
  
    for(int i=0;i<n+1;i++)
       System.out.printf("\nAddress:%h ---array : a[%d] ---- data :%d  position : %d",i*4,i,a[i],i+1);
   }
}
output: