// Abusing generics

public class Test 
{
  public static <E extends Number> E makeOne() 
  {
    E x = (E) new Double(2.2);
    return x;
  }

  // Some real compiler abuse.
  public static void main(String[] args) 
  {
    Integer one = Test.<Integer>makeOne();
    Double two = Test.<Double>makeOne();
    Number three = Test.<Double>makeOne();
  }

}