Recursive factorial in Java

public class Factorial {

	 * illustrates a recursive factorial
	public static void main(String[] args) {

                // you can also compute factorial in a loop
	   Paramters: integer n
           Returns: n! for non-negative n, 1 for negative n
	public static int factorial(int n) {
		if (n <= 1) return 1;
		return n * factorial(n - 1);


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