When you use a timer, you need to define a class that implements the ____ interface.
A)TimerListener
B)TimerActionListener
C)ActionListener
D)StartTimerListener

Question

Quizplus · Accepted Answer

When using a timer in Java, you need to define a class that implements the ActionListener interface. This is the interface that defines the method that will be called when the timer fires. The TimerListener and StartTimerListener interfaces do not exist in Java, and while the TimerActionListener interface might make sense as a name, it is not a valid interface either.

When You Use a Timer, You Need to Define a Class