JAVA Threads
Which of the following are methods of the Thread class?1) yield()2) sleep(long msec)3) go()4) stop()

1 , 2 and 4
3 only
None of these
1 and 3

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JAVA Threads
What will happen when you attempt to compile and run the following code?class A implements Runnable{ public void run(){ System.out.println("run-A"); }}1. public class Test{2. public static void main(String argv[]){3. A a = new A();4. Thread t = new Thread(a);5. System.out.println(t.isAlive());6. t.start();7. System.out.println(t.isAlive());8. }9. }

None of these
Compilation fails due to an error on line 7
false run-A false
false run-A true
true run-A true

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JAVA Threads
What notifyAll() method do?

Wakes up all threads that are waiting on this object's monitor
None of these
Wakes up one threads that are waiting on this object's monitor
Wakes up all threads that are not waiting on this object's monitor

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JAVA Threads
What will happen after compiling and running following code?class A implements Runnable{ public void run(){ System.out.println("run-a"); }}1. public class Test{2. public static void main(String... args){3. A a = new A();4. Thread t = new Thread(a);5. t.start();6. t.start();7. }8. }

None of these
Compilation succeed but Runtime Exception
Compilation fails with an error at line 6
run-a run-a
run-a

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