Membuat Piramida Penuh Pada JAVA

~ Piramida Full

import javax.swing.*;

public class Main {

    public static void main(String[] args) {

    int angka=Integer.valueOf(JOptionPane.showInputDialog("Masukan Angka"));

    for(int a=1;a<=angka;a++){

        for(int c=1;c<=angka-a;c++){

            System.out.print(" ");

        }

        for(int d=1;d<=a-1;d++){

            System.out.print("*");

        }

        for(int b=1;b<=a-1;b++){

            System.out.print("*");

        }

        System.out.println("*");

        }

    }

}

Output :

*

* * *

* * * * *

* * * * * * *

* * * * * * * * *