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

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JAVA Threads
Analyze the following code:public class Test implements Runnable{ public static void main(String[] args){ Test t = new Test(); t.start(); } public void run() { }}

The program compiles, but it does not run because the run() method is not implemented.
The program compiles and runs fine.
The program compiles, but it does not run because the start() method is not defined.
The program does not compile because the start() method is not defined in the Test class.

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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. }

Compilation fails due to an error on line 4
None of these
Compilation fails due to an error on line 7
run-test run-test
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 compiles fine, but it does not print anything because t does not invoke the run() method
The program does not compile because this cannot be referenced in a static method.
None of these

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