Piramida bintang 5

package tugaslatihan;

public class piramidasegitiga {

     public static void main(String[] args) {

         int a,b;

for (a = 1;a<=5; a=a++)

{

             for ( b= 1; b<=b;b=b++)

             {

            

       

             System.out.print("*");

{System.out.println("");}

             }

         }

     }

}
Maka hasilnya :