pattern2:Diamond of stars

import java.util.Scanner;
public class Solution {
	public static void diamondOfStars(int n) {

        int i=1;
        int n1=(n+1)/2;
        while(i<=n1) 
        {
            int space=1;
            while(space<=n1-i)
            {
                System.out.print(" ");
                space++;
                
            }
            
            int k=1;
             
            while(k<=(2*i-1))
            {
                System.out.print("*");
                    k++;
                
            
            }
            i++;
            System.out.println();
        
            }
        int n2=n/2;
        i=n2;
        while(i<=n2 && i!=0)
        {
            int space=1;
        
           while (space<=n2-i+1)
           {
                   System.out.print(" ");
               space++;
           }
            int j=1;
            while(j<=(2*i-1)){
                System.out.print("*");
                j++;
               
        }
        i--;
        System.out.println();
}
    }
}