/*
 * Selector - this class provides static methods for
 * selecting the minimum, maximum and median of three
 * comparable values.
 */
public class Selector {
	public static int min( Testable x1, Testable x2, Testable x3 ) {
		if ( x1.isLessThan( x2 ) ) {
			if ( x1.isLessThan( x3 ) ) return 1;
			else return 3;
		} else {
			if ( x2.isLessThan( x3 ) ) return 2;
			else return 3;
		}
	}
}