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Multiple Choice Questions
1. Runnable is
(A): Class
(B): Method
(C): Variable
(D): Interface
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MCQ->Which two statements are true for any concrete class implementing the java.lang.Runnable interface? You can extend the Runnable interface as long as you override the public run() method. The class must contain a method called run() from which all code for that thread will be initiated. The class must contain an empty public void method named run(). The class must contain a public void method named runnable(). The class definition must include the words implements Threads and contain a method called run(). The mandatory method must be public, with a return type of void, must be called run(), and cannot take any arguments.....
MCQ->What will be the output of the program? class MyThread extends Thread { MyThread() {} MyThread(Runnable r) {super(r); } public void run() { System.out.print("Inside Thread "); } } class MyRunnable implements Runnable { public void run() { System.out.print(" Inside Runnable"); } } class Test { public static void main(String[] args) { new MyThread().start(); new MyThread(new MyRunnable()).start(); } }....
MCQ->Which two are valid constructors for Thread? Thread(Runnable r, String name) Thread() Thread(int priority) Thread(Runnable r, ThreadGroup g) Thread(Runnable r, int priority)....
MCQ->Which two can be used to create a new Thread? Extend java.lang.Thread and override the run() method. Extend java.lang.Runnable and override the start() method. Implement java.lang.Thread and implement the run() method. Implement java.lang.Runnable and implement the run() method. Implement java.lang.Thread and implement the start() method.....
MCQ->The following block of code creates a Thread using a Runnable target: Runnable target = new MyRunnable(); Thread myThread = new Thread(target); Which of the following classes can be used to create the target, so that the preceding code compiles correctly?....
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