JAVA Threads What notifyAll() method do? Wakes up all threads that are waiting on this object's monitor 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 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 ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads What will happen after compiling and running following code?class A implements Runnable{ public void run(){ System.out.println("run-a"); }}1. public class Test{2. public static void main(String... args){3. A a = new A();4. Thread t = new Thread(a);5. t.start();6. t.start();7. }8. } run-a None of these Compilation succeed but Runtime Exception run-a run-a Compilation fails with an error at line 6 run-a None of these Compilation succeed but Runtime Exception run-a run-a Compilation fails with an error at line 6 ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads What will happen when you attempt to compile and run the following code?1. public class Test extends Thread{2. public static void main(String argv[]){3. Test t = new Test();4. t.run();5. t.start();6. }7. public void run(){8. System.out.println("run-test");9. }10. } Compilation fails due to an error on line 4 run-test Compilation fails due to an error on line 7 None of these run-test run-test Compilation fails due to an error on line 4 run-test Compilation fails due to an error on line 7 None of these run-test run-test ANSWER DOWNLOAD EXAMIANS APP
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 error, class A has no start method None of these 0 0 0 1 Compilation succeed but runtime exception Compilation error, class A has no start method None of these 0 0 0 1 Compilation succeed but runtime exception ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads Predict the output:public class Test extends Thread{ private int i; public void run(){ i++; } public static void main(String[] args){ Test a = new Test(); a.run(); System.out.print(a.i); a.start(); System.out.print(a.i); }} Prints Prints Prints IllegalThreadStateException is thrown Compiler error Prints Prints Prints IllegalThreadStateException is thrown Compiler error ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads Which keyword when applied on a method indicates that only one thread should execute the method at a time. native synchronized final volatile static native synchronized final volatile static ANSWER DOWNLOAD EXAMIANS APP
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