public class Filter {
	//compile-time error: Object does not have compareTo
	//static <T> T brokenMax(T t1, T t2) {
	//	return (t1.compareTo(t2) <= 0 ? t2 : t1);
	//}
	
	static <T extends Comparable<T>> T max(T t1, T t2) {
		return (t1.compareTo(t2) <= 0 ? t2 : t1);
	}

	public static void main(String[] args) {
		System.out.println(Filter.max(Integer.valueOf(6), Integer.valueOf(2)));
		System.out.println(Filter.max(Character.valueOf('e'), Character
				.valueOf('z')));
		System.out.println(Filter.max("hello", "world"));
		System.out.println(Filter.max(new java.util.Date(232),
				new java.util.Date(2323434)));

		//Using autoboxing:
		System.out.println(Filter.max(6, 2));	
		System.out.println(Filter.max('e', 'z'));

		//compile-time errors (type mismatch)
		//System.out.println(Filter.max(3, 'f'));
	}
}