JAVA Threads Which of the following constructor of class Thread is valid one? Thread(String threadName, int priority) None of these Thread(Runnable threadOb, int priority) Thread(Runnable threadOb, String threadName) Thread(int priority) Thread(String threadName, int priority) None of these Thread(Runnable threadOb, int priority) Thread(Runnable threadOb, String threadName) Thread(int priority) ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads What will be the output of the following program code?public class Test implements Runnable{ public static void main(String[] args){ Thread t = new Thread(this); t.start(); } public void run(){ System.out.println("test"); }} None of these The program does not compile because this cannot be referenced in a static method. The program compiles fine, but it does not print anything because t does not invoke the run() method The program compiles and runs fine and displays test on the console. None of these The program does not compile because this cannot be referenced in a static method. The program compiles fine, but it does not print anything because t does not invoke the run() method The program compiles and runs fine and displays test on the console. 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. } run-test run-test run-test Compilation fails due to an error on line 4 Compilation fails due to an error on line 7 None of these run-test run-test run-test Compilation fails due to an error on line 4 Compilation fails due to an error on line 7 None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads What notifyAll() method do? 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 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 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(); }} Compilation succeed but Runtime Exception A A A A B B B B A B A B A B A B Output order is not guaranteed None of these Compilation succeed but Runtime Exception A A A A B B B B A B A B A B A B Output order is not guaranteed None of these 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(); }} None of these Compilation error, class A has no start method 0 1 Compilation succeed but runtime exception 0 0 None of these Compilation error, class A has no start method 0 1 Compilation succeed but runtime exception 0 0 ANSWER DOWNLOAD EXAMIANS APP