JAVA Threads
What will be the output?class A extends Thread{ public void run(){ for(int i=0; i<2; i++){ System.out.println(i); } }}public class Test{ public static void main(String argv[]){ Test t = new Test(); t.check(new A(){}); } public void check(A a){ a.start(); }}

None of these
Compilation succeed but runtime exception
0 1
Compilation error, class A has no start method
0 0

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

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

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

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