Answered: Given the following code for the base…

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

Given the following code for the base class Ship write another class that inherits from Ship called SpaceShip.

Spaceship should have a field to store forwardLasers(an integer) and aftMineDispensers (another integer).

You should provide a constructor that includes forwardLasers as an argument. You should have another constructor that includes both forwardLasers and aftMineDispensers as arguments.

You should provide appropriate accessors and mutators.

You should include a toString() method that prints out the forwardLasers and aftMineDispensers as well as the information from the super class toString().

Here is the code for the base class Ship.

public class Ship {

private String name; // Ship name

private String yearBuilt; // Year it was built

public Ship(String n, String y) {

name = n;

yearBuilt = y;

}

public void setName(String n) {

name = n;

}

public void setYearBuilt(String y) {

yearBuilt = y;

}

public String getName() {

return name;

}

public String getYearBuilt() {

return yearBuilt;

}

@Override

public String toString() {

return "Name: " + name + "\nYear built: " + yearBuilt;

}

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