Which of the following class declarations could run in a thread?
I public interface MyRunnable extends Runnable { . . . }
II public class MyRunnable extends Runnable { . . . }
III public class MyRunnable implements Runnable { . . . }
A) II
B) III
C) I and II
D) II and III

Question

Quizplus · Accepted Answer

A class can run in a thread if it implements the Runnable interface. Option III correctly implements Runnable, while option II incorrectly attempts to extend an interface, which is not allowed in Java.

Which of the Following Class Declarations Could Run in a Thread