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How can you specify which thread is notified with the wait/notify protocol?

Tue, 15 Nov 2011 09:56:07 +0000

How can you specify which thread is notified with the wait/notify protocol?

1) Pass the object reference as a parameter to the notify method
2) Pass the method name as a parameter to the notify method
3) Use the notifyAll method and pass the object reference as a parameter
4) None of the above

What will happen when you attempt to compile and run the following code?

Tue, 15 Nov 2011 09:50:38 +0000

What will happen when you attempt to compile and run the following code?


public class WaNot{
int i=0;
public static void main(String argv[]){
        WaNot w = new WaNot();
        w.amethod();
        }
        public void amethod(){
	while(true){
		try{ 
        		wait();
		    }catch (InterruptedException e) {}
		i++;
	    }//End of while

	}//End of amethod
}//End of class

Which best describes the synchronized keyword?

Tue, 15 Nov 2011 09:43:45 +0000

Which best describes the synchronized keyword?

1) Allows more than one Thread to access a method simultaneously
2) Allows more than one Thread to obtain the Object lock on a reference
3) Gives the notify/notifyAll keywords exclusive access to the monitor
4) Means only one thread at a time can access a method or block of code

Why do you need the wait/notify protocol?

Tue, 15 Nov 2011 08:58:31 +0000

Write code using synchronized wait notify and notifyAll to protect against concurrent access problems and to communicate between threads. Define the interaction between threads and between threads and object locks when executing synchronized wait notify or notifyAll.

Which of the following keywords indicates a thread is releasing its Object lock?

Tue, 15 Nov 2011 07:59:47 +0000

Which of the following keywords indicates a thread is releasing its Object lock?

1) release
2) wait
3) continue
4) notifyAll