Data Flow Diagram Sistem Informasi Bank

Menampilkan bilangan faktorial

import javax.swing.JOptionPane;
class perulangan {
public static void main (String[]args) {
String bil = JOptionPane.showInputDialog ("Masukkan bilangan :");
int bilangan = Integer.parseInt (bil);
int n = 1;
int hasil = 1;
System.out.println ("Nilai faktorial    "+bilangan+"!");
System.out.println ("----------------------");
while (n<=bilangan) {
hasil = hasil*n;
System.out.println (n    +" "+hasil);
n++;
}
System.out.println ("----------------------");
}
}