Java Factorial Example

/*
  Java Factorial Example
  This Java Factorial Example shows how to calculate factorial of 
  a given number using Java.
*/
 
public class NumberFactorial {
 
	public static void main(String[] args) {
 
		int number = 5;
 
		/*
		 * Factorial of any number is !n. 
		 * For example, factorial of 4 is 4*3*2*1.
		*/
 
		int factorial = number;
 
		for(int i =(number - 1); i > 1; i--)
		{
			factorial = factorial * i;
		}
 
		System.out.println("Factorial of a number is " + factorial);
	}
}
 
/*
Output of the Factorial program would be
Factorial of a number is 120
*/