JAVA Threads
Which keyword when applied on a method indicates that only one thread should execute the method at a time.

final
synchronized
static
native
volatile

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

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JAVA Threads
Given the code. What will be the result?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"); }}

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

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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. }

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

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JAVA Threads
What notifyAll() method do?

Wakes up all threads that are not waiting on this object's monitor
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

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