Slip 18 - A) Write a java program to calculate factorial of a number. (Use sleep () method).

Solution:

import java.util.*;

public class Slip18_q1

{

     public static void main(String []args)

     {

        //Take input from the user

        //Create an instance of the Scanner Class

        Scanner sc=new Scanner(System.in);

        //Declare and Initialize the variable

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

        int num=sc.nextInt();

        int i=1,fact=1;

        while(i<=num)

        {

            fact=fact*i;

            i++;

        }

try

{

Thread.sleep(2000);

System.out.println("Factorial of the number: "+fact);

}

catch(Exception e){}

          

     }   

}