JAVA Threads In java a thread can be created by .......... None of these Both of the above Extending the thread class. Implementing Runnable interface. None of these Both of the above Extending the thread class. Implementing Runnable interface. ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads Which of the following constructor of class Thread is valid one? None of these Thread(int priority) Thread(Runnable threadOb, String threadName) Thread(Runnable threadOb, int priority) Thread(String threadName, int priority) None of these Thread(int priority) Thread(Runnable threadOb, String threadName) Thread(Runnable threadOb, int priority) Thread(String threadName, int priority) ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads What notifyAll() method do? Wakes up all threads that are not waiting on this object's monitor Wakes up all threads that are 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 not waiting on this object's monitor Wakes up all threads that are waiting on this object's monitor None of these Wakes up one threads that are waiting on this object's monitor 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 IllegalThreadStateException is thrown Prints Prints Prints Compiler error IllegalThreadStateException is thrown 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(); }} A B A B A B A B A A A A B B B B None of these Compilation succeed but Runtime Exception Output order is not guaranteed A B A B A B A B A A A A B B B B None of these Compilation succeed but Runtime Exception Output order is not guaranteed ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads What is the output for the below code ?class A implements Runnable{ public void run(){ System.out.println(Thread.currentThread().getName()); }}1. public class Test{2. public static void main(String... args){3. A a = new A();4. Thread t = new Thread(a);5. t.setName("good");6. t.start();7. }8. } null good None of these Compilation succeed but Runtime Exception Compilation fails with an error at line 5 null good None of these Compilation succeed but Runtime Exception Compilation fails with an error at line 5 ANSWER DOWNLOAD EXAMIANS APP