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

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JAVA Threads
Analyze the following code:public abstract class Test implements Runnable{ public void doSomething() { };}

None of these
The program will not compile because it does not contain abstract methods.
The program will not compile because it does not implement the run() method.
The program compiles fine.

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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. }

Compilation succeed but Runtime Exception
None of these
Compilation fails with an error at line 6
run-a
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 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.
The program compiles, but it does not run because the run() method is not implemented.

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