Which three are methods of the Object class? notify(); notifyAll(); i – McqOptions

MCQOPTIONS

1.	Which three are methods of the Object class? notify(); notifyAll(); isInterrupted(); synchronized(); interrupt(); wait(long msecs); sleep(long msecs); yield();
A.	1, 2, 4
B.	2, 4, 5
C.	1, 2, 6
D.	2, 3, 4
Answer» D. 2, 3, 4

Discussion

No Comment Found

Related MCQs

Under which conditions will a currently executing thread stop?
Which method must be defined by a class implementing the interface?
Which two can be used to create a new Thread?
Which two statements are true?
The following block of code creates a Thread using a Runnable target: Which of the following classes can be used to create the target, so that the preceding code compiles correctly?
Which class or interface defines the , ,and methods?
which of these will create and start this thread?
Which of the following line of code is suitable to start a thread ?
What will be the output of the program? public class SyncTest { public static void main (String [] args) { Thread t = new Thread() { Foo f = new Foo(); public void run() { f.increase(20); } }; t.start(); } } class Foo { private int data = 23; public void increase(int amt) { int x = data; data = x + amt; } } and assuming that data must be protected from corruption, what—if anything—can you add to the preceding code to ensure the integrity of data?
Thread synchronization is required because ___________