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Exercise - Create a Subclass Note The exercises below are based on a game where a spaceship avoids obstacles in space. The ship is positioned at the bottom of a coordinate system and can onl right while obstacles "fall" from top to bottom. Throughout the exercises, you'll create classes to represent different types of spaceships that can be used in the class Spaceship has been provided for you below. lass Spaceship { var name: String = " var health = 100 var position = 0 func moveleft() { position -= 1 Go Forward func moveRight() { position += 1

Exercise - Create a Subclass Note The exercises below are based on a game where a spaceship avoids obstacles in space. The ship is positioned at the bottom of a coordinate system and can onl right while obstacles "fall" from top to bottom. Throughout the exercises, you'll create classes to represent different types of spaceships that can be used in the class Spaceship has been provided for you below. lass Spaceship { var name: String = " var health = 100 var position = 0 func moveleft() { position -= 1 Go Forward func moveRight() { position += 1

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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How do I sovle this exercise with Swift code? Classes exercise 2/4

Exercise - Create a Subclass Note The exercises below are based on a game where a spaceship avoids obstacles in space. The ship is positioned at the bottom of a coordinate system and can only move left and right while obstacles "fall" from top to bottom. Throughout the exercises, you'll create classes to represent different types of spaceships that can be used in the game. The base class Spaceship has been provided for you below. class Spaceship { var name: String var health = 100 var position func moveleft() { position -= 1 } Go Forward func moveRight() { position += 1 } func wasHit ) { health -= 5 if health <= 0 { print("Sorry, your ship was hit one too many times. Do you want to play again?") }
Transcribed Image Text:Exercise - Create a Subclass Note The exercises below are based on a game where a spaceship avoids obstacles in space. The ship is positioned at the bottom of a coordinate system and can only move left and right while obstacles "fall" from top to bottom. Throughout the exercises, you'll create classes to represent different types of spaceships that can be used in the game. The base class Spaceship has been provided for you below. class Spaceship { var name: String var health = 100 var position func moveleft() { position -= 1 } Go Forward func moveRight() { position += 1 } func wasHit ) { health -= 5 if health <= 0 { print("Sorry, your ship was hit one too many times. Do you want to play again?") }
Define a new class Fighter that inherits from Spaceship. Add a variable property weapon that defaults to an empty string and a variable property remainingFirePower that defaults to 5. Create a new instance of Fighter called destroyer. A Fighter will be able to shoot incoming objects to avoid colliding with them. After initialization, set weapon to "Laser" and remainingFirePower to 10. Note that since Fighter inherits from Spaceship, it also has properties for name, health, and position, and has methods for moveLeft(), moveRight(), and wasHit() even though you did not specifically add them to the declaration of Fighter. Knowing that, set name to "Destroyer," print position, then call moveRight( and print position again. Try to print weapon on falcon. Why doesn't this work? Provide your answer in a comment or a print statement below, and remove any code you added that doesn't compile. Add a method to fighter called fire().This should check to see if remainingFirePower is greater than 0, and if so, should decrement remainingFirePower by one. If remainingFirePower is not greater than 0, print "You have no more fire power." Call fire() on destroyer a few times and print remainingFirePower after each method call.
Transcribed Image Text:Define a new class Fighter that inherits from Spaceship. Add a variable property weapon that defaults to an empty string and a variable property remainingFirePower that defaults to 5. Create a new instance of Fighter called destroyer. A Fighter will be able to shoot incoming objects to avoid colliding with them. After initialization, set weapon to "Laser" and remainingFirePower to 10. Note that since Fighter inherits from Spaceship, it also has properties for name, health, and position, and has methods for moveLeft(), moveRight(), and wasHit() even though you did not specifically add them to the declaration of Fighter. Knowing that, set name to "Destroyer," print position, then call moveRight( and print position again. Try to print weapon on falcon. Why doesn't this work? Provide your answer in a comment or a print statement below, and remove any code you added that doesn't compile. Add a method to fighter called fire().This should check to see if remainingFirePower is greater than 0, and if so, should decrement remainingFirePower by one. If remainingFirePower is not greater than 0, print "You have no more fire power." Call fire() on destroyer a few times and print remainingFirePower after each method call.
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