JAVA Threads
What will be output of the following program code?public class Test implements Runnable{ public void run(){ System.out.print("go"); } public static void main(String arg[]) { Thread t = new Thread(new Test()); t.run(); t.run(); t.start(); }}

"gogo" is printed
"go" is printed
"gogogo" is printed
An exception is thrown at runtime.
Compilation fails.

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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); } }}

A compile time error indicating that no run method is defined for the Thread class
None of these
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
Clean compile but no output 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 not waiting on this object's monitor
None of these
Wakes up all threads that are waiting on this object's monitor

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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(); }}

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

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