ass_patt3.java

public class patt3{
    public static void main(String[] args) {
         int i,k,j,n=5;
           for (i= 0; i<= n-1 ; i++)
            {
                for (j=0; j<i; j++)
                {
                System.out.print(" ");
                }
                for (k=i; k<=n-1; k++)
                {
                System.out.print("*" + " ");
                }
                System.out.println("");
            }
            for (i= n-1; i>= 0; i--)
            {
                for (j=0; j<i; j++)
                {
                System.out.print(" ");
                }
                for (k=i; k<=n-1; k++)
                {
                System.out.print("*" + " ");
                }
            System.out.println("");
            }
    }
}