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

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

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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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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. }

None of these
run-test run-test
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 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 and runs fine and displays test on the console.
The program does not compile because this cannot be referenced in a static method.
None of these
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 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"); }}

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

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