public class BoundedTypeParamDemo<A> {

	private A a;

	public void set(A a) {
		this.a = a;
	}

	public A get() {
		return a;
	}

	public <U extends Number> void inspect(U u) {
		System.out.println("T: " + a.getClass().getName());
		System.out.println("U: " + a.getClass().getName());
	}

	public static void main(String[] args) {
		BoundedTypeParamDemo<Integer> integerBox = new BoundedTypeParamDemo<Integer>();
		integerBox.set(new Integer(10));
		integerBox.inspect(10);
		// The below will give error
		integerBox.inspect("some text");
	}
}