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 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 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(); }} 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 Output order is not guaranteed A B A B A B A B Compilation succeed but Runtime Exception ANSWER DOWNLOAD EXAMIANS APP
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 A run 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 Clean compile but no output at runtime A compile time error indicating that no run method is defined for the Thread class A run 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 Clean compile but no output at runtime 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 Compilation succeed but runtime exception Compilation error, class A has no start method None of these 0 1 0 0 Compilation succeed but runtime exception Compilation error, class A has no start method None of these 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. } good Compilation fails with an error at line 5 null None of these Compilation succeed but Runtime Exception good Compilation fails with an error at line 5 null None of these Compilation succeed but Runtime Exception ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads Which of the following constructor of class Thread is valid one? Thread(int priority) Thread(Runnable threadOb, int priority) Thread(Runnable threadOb, String threadName) None of these Thread(String threadName, int priority) Thread(int priority) Thread(Runnable threadOb, int priority) Thread(Runnable threadOb, String threadName) None of these Thread(String threadName, int priority) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS