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

volatile
synchronized
static
native
final

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

The program compiles fine.
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.

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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(); }}

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

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

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