Pyramid Program in JAVA

public class Pyramid {

       public static void main(String[] args) {

      

              int n=3;

              for (int i = 1; i <= n; i++)

        {

              for (int j = 0; j < (n - i); j++)

                    System.out.print(" ");

              for (int j = 1; j <= i; j++)

                    System.out.print("*");

              for (int k = 1; k < i; k++)

                    System.out.print("*");

              System.out.println();

        }

        for (int i = n - 1; i >= 1; i--)

        {

              for (int j = 0; j < (n - i); j++)

                    System.out.print(" ");

              for (int j = 1; j <= i; j++)

                    System.out.print("*");

              for (int k = 1; k < i; k++)

                  System.out.print("*");

              System.out.println();

        }

        System.out.println();

       }

}

Output:

  *

 ***

*****

 ***

  *