JAVA Threads
Predict the output:public class Test extends Thread{ private int i; public void run(){ i++; } public static void main(String[] args){ Test a = new Test(); a.run(); System.out.print(a.i); a.start(); System.out.print(a.i); }}

IllegalThreadStateException is thrown
Prints
Prints
Compiler error
Prints

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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
run-a run-a
run-a
Compilation fails with an error at line 6

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

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

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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 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.
The program compiles and runs fine and displays test on the console.

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JAVA Threads
What notifyAll() method do?

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

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