Answered: 1- What is the output of the following…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

1- What is the output of the following program? Why?
public class Player
{ private int lives;
public Player() { lives = 0; }
public Player(int plives) { lives = plives; }
public void addLives() { lives++; }
public void display() { System.out.print(lives + " "); }
}
public class SpecialPlayer extends Player
{
public SpecialPlayer(int plives) {super(2*plives); }
}
public class Main{
public static void main(String[]args){
Player player = new Player(5);
Player special = new SpecialPlayer(5);
player.display()
player.addLives();
player.display();
special.display();
special.addLives();
special.display();
}}

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