Factorial Program in Java
Example for Factorial is
4!=4*3*2*1
5!=5*4*3*2*1
import java.util.Scanner;
public class Factorial {
public static void main(String[] arg){
Scanner sc=new Scanner(System.in);
System.out.println("Enter number : ");
int num1=sc.nextInt();
int fact = 1;
for(int i=1;i<=num1;i++){
fact=fact*i;
}
System.out.println(num1+"! is = "+fact);
}
}
Output:
Enter number :
5
5! is = 120
