Which of the following statements about a callback is NOT true?
A)A callback can be implemented using an interface.
B)A callback can allow you to implement a new method for a class that is not under your control.
C)A callback method declared in an interface must specify the class of objects that it will manipulate.
D)A callback is a mechanism for specifying code to be executed later.

Question

Quizplus · Accepted Answer

A callback method declared in an interface does not necessarily have to specify the class of objects that it will manipulate. It only needs to specify the parameters for the method. The other statements are true. A callback can be implemented using an interface, can allow you to implement a new method for a class that is not under your control, and is a mechanism for specifying code to be executed later.

Which of the Following Statements About a Callback Is NOT