Java OCA OCP Practice Question 2692

Question

Consider the following program and predict the output: 

class Main implements Runnable {
        public void run() {
                System.out.println(Thread.currentThread().getName());
        }//from  w  ww .  j  a v  a 2 s  .  co  m
        public static void main(String arg[]) {
                Thread thread = new Thread(new Main());
                thread.run();
                thread.run();
                thread.start();
        }
}

a)main/*from  ww  w.j av a 2  s .c  om*/
  main
  Thread-0

b)Thread-0
  main
  Thread-1

c)main
  Thread-0
  Thread-1

d)Thread-0
  Thread-1
  Thread-2
  



a)

Note

Calling run() directly will not create a new thread.

The correct way is to call the start() method, which in turn will call the run() method in a new thread.




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