// Application using a recursively defined method

public class Factorial
{
   static final long MAX = 10;

   public static void main (String[] args)
   {
      for ( long i = 0; i <= MAX; i++)
        System.out.println(i + "! = " + factorial(i));
   }

   static private long factorial(long number)
   {
      if (number <= 1) 
	return 1;	//base case
      else
	return number * factorial(number - 1);
   }
    
}