JAVA Threads
Which keyword when applied on a method indicates that only one thread should execute the method at a time.

synchronized
static
final
volatile
native

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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 4
Compilation fails due to an error on line 7
run-test

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JAVA Threads
What notifyAll() method do?

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

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JAVA Threads
What will be the output of the following program code?public class Test implements Runnable{ public static void main(String[] args){ Thread t = new Thread(this); t.start(); } public void run(){ System.out.println("test"); }}

None of these
The program does not compile because this cannot be referenced in a static method.
The program compiles and runs fine and displays test on the console.
The program compiles fine, but it does not print anything because t does not invoke the run() method

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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. }

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

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