JAVA Threads What notifyAll() method do? Wakes up all threads that are not waiting on this object's monitor Wakes up one threads that are waiting on this object's monitor None of these Wakes up all threads that are waiting on this object's monitor Wakes up all threads that are not waiting on this object's monitor Wakes up one threads that are waiting on this object's monitor None of these Wakes up all threads that are waiting on this object's monitor ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads In java a thread can be created by .......... Implementing Runnable interface. Both of the above None of these Extending the thread class. Implementing Runnable interface. Both of the above None of these Extending the thread class. 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(); }} 0 1 0 0 None of these Compilation succeed but runtime exception Compilation error, class A has no start method 0 1 0 0 None of these Compilation succeed but runtime exception Compilation error, class A has no start method 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. } None of these Compilation fails due to an error on line 4 Compilation fails due to an error on line 7 run-test run-test run-test None of these Compilation fails due to an error on line 4 Compilation fails due to an error on line 7 run-test run-test run-test 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. } Compilation fails with an error at line 6 Compilation succeed but Runtime Exception run-a None of these run-a run-a Compilation fails with an error at line 6 Compilation succeed but Runtime Exception run-a None of these run-a run-a 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 Compiler error Prints IllegalThreadStateException is thrown Prints Prints Compiler error Prints IllegalThreadStateException is thrown Prints ANSWER DOWNLOAD EXAMIANS APP
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