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 and 3
None of these
1 , 2 and 4

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

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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 and runs fine and displays test on the console.
The program does not compile because this cannot be referenced in a static method.
The program compiles fine, but it does not print anything because t does not invoke the run() method

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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 implement the run() method.
The program will not compile because it does not contain abstract methods.
The program compiles fine.

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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(); } public Test(){ Thread t = new Thread(this); t.start(); } public void run(){ System.out.println("test"); }}

The program has a compilation error because t is defined in both the main() method and the constructor Test().
The program compiles and runs and displays test.
The program compiles and runs and displays nothing.
The program compiles fine, but it does not run because you cannot use the keyword this in the constructor.

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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"); }}

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

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