Loops.java

import java.io.*;
import java.util.*;

public class Loops {

    public int fact(int n) {
	if (n == 0)
	    return 1;
	else
	    return n * fact(n-1);
    }

    public int fact2(int n) {
	int result = n;
	while (n > 1) {
	    result = result * (n - 1);
	    n = n - 1;
	}
	return result;
    }
}