Let Point< T > Be a Generic Type

question 2

Multiple Choice

Let Point< T > be a generic type.We want to write a method that takes as parameter Point objects whose type parameter is the Number class,or any subclass of Number.We can do this by declaring the type of the method parameter as

• A) Point< Number >
• B) Point< ? super Number >
• C) Point< ? extends Number >
• D) Point< ? sub Number >