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

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

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JAVA Threads
Predict the output:class A implements Runnable{ public void run(){ try{ for(int i=0;i<4;i++){ Thread.sleep(100); System.out.println(Thread.currentThread().getName()); } }catch(InterruptedException e){ } }}public class Test{ public static void main(String argv[]) throws Exception{ A a = new A(); Thread t = new Thread(a, "A"); Thread t1 = new Thread(a, "B"); t.start(); t.join(); t1.start(); }}

Output order is not guaranteed
A A A A B B B B
A B A B A B A B
None of these
Compilation succeed but Runtime Exception

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JAVA Threads
What is the output for the below code ?public class Test extends Thread{ public static void main(String argv[]){ Test t = new Test(); t.run(); } public void start(){ for(int i = 0; i < 10; i++){ System.out.println("Value of i = " + i); } }}

Clean compile and at run time the values 0 to 9 are printed out
A run time error indicating that no run method is defined for the Thread class
None of these
A compile time error indicating that no run method is defined for the Thread class
Clean compile but no output at runtime

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

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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 and runs fine and displays test on the console.
The program does not compile because this cannot be referenced in a static method.
None of these
The program compiles fine, but it does not print anything because t does not invoke the run() method

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