// Program Name                  MathUtils.java
// Course:                       CSE 1302J
// Student Name:                 Bradley Shedd
// Assignment Number:            Lab#7
// Due Date:                     10/20/2010
// Purpose:                      This program provides static
//                               mathematical utility functions.

public class MathUtils
{
    //-------------------------------------------------------------
    // Returns the factorial of the argument given
    //-------------------------------------------------------------
    public static int factorial(int n) throws IllegalArgumentException
    {
   if (n<0)
      throw new IllegalArgumentException("Please don't type negative numbers!");
      if (n>16)
      throw new IllegalArgumentException("The number is too large!" +
                                         " Type a value less than 17.");
   int fac = 1;
   for (int i=n; i>0; i--)
      fac *= i;
   return fac;
    }
    //   System.out.println("Coded By: Bradley Shedd");
}

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