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

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

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JAVA Threads
What notifyAll() method do?

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

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JAVA Threads
What will be the output after compiling and executing the following code?public class Test implements Runnable{ public static void main(String[] args) throws InterruptedException{ Thread a = new Thread(new Test()); a.start(); System.out.print("Begin"); a.join(); System.out.print("End"); } public void run(){ System.out.print("Run"); }}

"BeginEnd" is printed.
Compilation fails.
"BeginRunEnd" is printed.
An exception is thrown at runtime.
"BeginEndRun" is printed.

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JAVA Threads
What will be the output?class A extends Thread{ public void run(){ for(int i=0; i<2; i++){ System.out.println(i); } }}public class Test{ public static void main(String argv[]){ Test t = new Test(); t.check(new A(){}); } public void check(A a){ a.start(); }}

0 1
Compilation succeed but runtime exception
None of these
0 0
Compilation error, class A has no start method

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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"); }}

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

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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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