JAVA Threads
Which of the following constructor of class Thread is valid one?

Thread(Runnable threadOb, String threadName)
Thread(String threadName, int priority)
Thread(Runnable threadOb, int priority)
Thread(int priority)
None of these

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

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JAVA Threads
What notifyAll() method do?

Wakes up all threads that are waiting on this object's monitor
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
None of these

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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. }

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

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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. }

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

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