JAVA Threads What notifyAll() method do? Wakes up all threads that are not waiting on this object's monitor None of these Wakes up one threads that are waiting on this object's monitor 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 None of these Wakes up one threads that are waiting on this object's monitor Wakes up all threads that are waiting on this object's monitor 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 static volatile final native synchronized static volatile final 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 run-a Compilation succeed but Runtime Exception run-a run-a None of these Compilation fails with an error at line 6 run-a Compilation succeed but Runtime Exception run-a run-a None of these 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); }} Compiler error IllegalThreadStateException is thrown Prints Prints Prints Compiler error IllegalThreadStateException is thrown Prints Prints Prints ANSWER DOWNLOAD EXAMIANS APP
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 B A B A B A B Compilation succeed but Runtime Exception None of these A A A A B B B B Output order is not guaranteed A B A B A B A B Compilation succeed but Runtime Exception None of these A A A A B B B B ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads In java a thread can be created by .......... Extending the thread class. None of these Both of the above Implementing Runnable interface. Extending the thread class. None of these Both of the above Implementing Runnable interface. ANSWER DOWNLOAD EXAMIANS APP
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