Tag: general knowledge

What is the result of compiling this source file? public class Book { private int pageNumber; private class BookReader { public int getPage() { return pageNumber; } } }

public class Beverage { private void drink() { System.out.print("Beverage"); } public static void main(String [] args) { Beverage b = new Coffee(); b.drink(); } } class Coffee extends Beverage { public void drink() { System.out.println("Coffee"); } }

public class Worker extends Thread { public void run() { System.out.print("N"); } public static void main(String [] args) { Thread worker = new Worker(); worker.run(); System.out.print("O"); } }