class ClassA<T>{
	void met(T t){
	}
}

class ClassB extends ClassA<Integer> {
	void met(Number n){
		System.out.println("Number!");
	}
	@Override
	void met(Integer n){
		System.out.println("Integer!");
	}
}

class Samp03 {
	public static void main(String[] args){
		ClassB cb = new ClassB();
		Integer i = new Integer(10);
		cb.met(i);
		cb.met((Number)i);
	}
}