Factoring in java program

this program will show how to get the factorial using java program.

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);
}
}