Java 2™ Programmer Exam Cram™ 2 (Exam CX-310-035)

Exam Prep Practice Questions

Question 1

You are creating a class that extends Object and implements Runnable. You have already written a run method for this class. You need a way to create a thread and have it execute the run method. Which of the following start methods should you use? A. public void start(){ new Thread( this ).start(); } B. public void start(){ Thread myT = new Thread(); myT.start(); } C. public void start(){ Thread myT = new Thread(this); myT.run(); }

A1:

Answer A is correct. It correctly creates a new thread attached to the runnable object and starts it. It does not matter that there is no reference to the thread in the start method. Answer B is incorrect because the new thread is not attached to the runnable object, so it ...