i need a help in this please

i need a help in this please

The factorial of a nonnegative integer n is written n! (pronounced ‚?? n factorial‚??) and is defined as follows: n!=n . (n-1) . (n-2) . .... . 1 (for values of n greater than or equal to 1) and n!=1 (for n=0) for example, 5!=5.4.3.2.1, which is 120 a) Write an application that reads a nonegative integer from the user and computes and print its factorial. b) Write an application that computes the value of ex by using the formula ex = 1+(x/1!)+(x2/2!)+(x3/3!)+(x4/4!)+....

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May 9, 2011 at 11:36 AM

import java.util.*;
class  Factorial{
    public static void main(String[] args) 
    {
        Scanner input=new Scanner(System.in);
        System.out.print("Enter Number: ");
        int m=input.nextInt();
        long num=m;
        for(int i=m;i>1;i--){
            num=num*(i-1);
        }
        System.out.println(num);
    }
}









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