Java J2EE Spring Self Test: Chapters 55 to 61

This is going to be the last self test chapter in our SCJP Exam series. The following questions will help you judge your expertise about threads that you learnt just now.

Questions:

Question 1

The following block of code creates a Thread using a Runnable target:
Runnable r = new MyRunnable();
Thread SimpleThreadExample = new Thread(r);

Which of the following classes can be used to create