Write a Program factorial of a number Enter by user in Java.

Factorial of a number Enter by user in Java. 

EXAMPLE :-

import java.util.Scanner;

public class fact {

public static void main(String[] args)

{

int num;

System.out.println("Enter the number: ");

Scanner scanner = new Scanner(System.in);

num = scanner.nextInt();

scanner.close();

long factorial = 1;

int i = 1;

while(i<=num)

{

factorial = factorial * i;

i++;

}

System.out.println("Factorial of "+num+" is: "+factorial);

}

}

OUTPUT

Enter the number: 5 Factorial of 5 is: 120