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. }

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

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JAVA Threads
What notifyAll() method do?

None of these
Wakes up one threads that are waiting on this object's monitor
Wakes up all 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 is the output for the below code ?class A implements Runnable{ public void run(){ System.out.println(Thread.currentThread().getName()); }}1. public class Test{2. public static void main(String... args){3. A a = new A();4. Thread t = new Thread(a);5. t.setName("good");6. t.start();7. }8. }

Compilation succeed but Runtime Exception
good
Compilation fails with an error at line 5
None of these
null

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JAVA Threads
What will happen when you attempt to compile and run the following code?1. public class Test extends Thread{2. public static void main(String argv[]){3. Test t = new Test();4. t.run();5. t.start();6. }7. public void run(){8. System.out.println("run-test");9. }10. }

run-test run-test
None of these
Compilation fails due to an error on line 7
Compilation fails due to an error on line 4
run-test

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JAVA Threads
Analyze the following code:public abstract class Test implements Runnable{ public void doSomething() { };}

The program compiles fine.
The program will not compile because it does not implement the run() method.
The program will not compile because it does not contain abstract methods.
None of these

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