JAVA Threads
Which of the following are methods of the Thread class?1) yield()2) sleep(long msec)3) go()4) stop()

1 , 2 and 4
None of these
3 only
1 and 3

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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. }

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

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

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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(); }}

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

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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"); }}

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.
None of these

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