ITOA in java

gistfile1.java

public class ITOA {
	public static String convert(int x, int base) {
		boolean negative = false;
		String s = "";
		if (x == 0)
			return "0";
		negative = (x < 0);
		if (negative)
			x = -1 * x;
		while (x != 0) {
			s = (x % base) + s; // add char to front of s
			x = x / base; // integer division gives quotient
		}
		if (negative)
			s = "-" + s;
		return s;
	} // convert

	public static void main(String[] args) // test
	{
		int x = 16;
		int base = 2;
		System.out.println(convert(x, base));

		base = 10;
		System.out.println(convert(x, base));
	}

} // end class itoa