JAVA Threads Analyze the following code:public abstract class Test implements Runnable{ public void doSomething() { };} The program compiles fine. The program will not compile because it does not contain abstract methods. None of these The program will not compile because it does not implement the run() method. The program compiles fine. The program will not compile because it does not contain abstract methods. None of these The program will not compile because it does not implement the run() method. ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads When a class extends the Thread class ,it should override ............ method of Thread class to start that thread. start() run() init() go() start() run() init() go() 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 None of these 0 0 Compilation succeed but runtime exception Compilation error, class A has no start method 0 1 None of these 0 0 Compilation succeed but runtime exception Compilation error, class A has no start method ANSWER DOWNLOAD EXAMIANS APP
JAVA Threads Analyze the following code:public class Test implements Runnable{ public static void main(String[] args){ Test t = new Test(); } public Test(){ Thread t = new Thread(this); t.start(); } public void run(){ System.out.println("test"); }} The program has a compilation error because t is defined in both the main() method and the constructor Test(). The program compiles fine, but it does not run because you cannot use the keyword this in the constructor. The program compiles and runs and displays test. The program compiles and runs and displays nothing. The program has a compilation error because t is defined in both the main() method and the constructor Test(). The program compiles fine, but it does not run because you cannot use the keyword this in the constructor. The program compiles and runs and displays test. The program compiles and runs and displays nothing. 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 Which of the following are methods of the Thread class?1) yield()2) sleep(long msec)3) go()4) stop() 1 and 3 1 , 2 and 4 3 only None of these 1 and 3 1 , 2 and 4 3 only None of these ANSWER DOWNLOAD EXAMIANS APP