Utfordring: Avledede Klasser
En klasse kalt Vehicle er gitt. I tillegg finnes det to andre klasser kalt Car og Plane.
Det er for øyeblikket en feil i koden. For å rette feilen må du la Car og Plane arve fra Vehicle.
Rediger koden slik at Car og Plane blir underklasser av Vehicle.
index.cs
12345678910111213141516171819202122232425262728293031323334353637using System; public class Vehicle { public int modelYear; public float fuel; } public class Car { public void Drive() { Console.WriteLine("The car is now driving."); } } public class Plane { public void Fly() { Console.WriteLine("The plane is now flying."); } } public class Program { public static void Main(string[] args) { Car c1 = new Car(); Plane p1 = new Plane(); c1.modelYear = 2024; p1.fuel = 6000; Console.WriteLine("Executed Successfully"); } }
Bruk symbolet : i syntaksen til en avledet klasse for å angi foreldreklassen.
index.cs
12345678910111213141516171819202122232425262728293031323334353637using System; public class Vehicle { public int modelYear; public float fuel; } public class Car : Vehicle { public void Drive() { Console.WriteLine("The car is now driving."); } } public class Plane : Vehicle { public void Fly() { Console.WriteLine("The plane is now flying."); } } public class Program { public static void Main(string[] args) { Car c1 = new Car(); Plane p1 = new Plane(); c1.modelYear = 2024; p1.fuel = 6000; Console.WriteLine("Executed Successfully"); } }
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Can you show me the code for the Vehicle, Car, and Plane classes?
What does the error message say?
Can you explain how inheritance works in this context?
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Utfordring: Avledede Klasser
Sveip for å vise menyen
En klasse kalt Vehicle er gitt. I tillegg finnes det to andre klasser kalt Car og Plane.
Det er for øyeblikket en feil i koden. For å rette feilen må du la Car og Plane arve fra Vehicle.
Rediger koden slik at Car og Plane blir underklasser av Vehicle.
index.cs
12345678910111213141516171819202122232425262728293031323334353637using System; public class Vehicle { public int modelYear; public float fuel; } public class Car { public void Drive() { Console.WriteLine("The car is now driving."); } } public class Plane { public void Fly() { Console.WriteLine("The plane is now flying."); } } public class Program { public static void Main(string[] args) { Car c1 = new Car(); Plane p1 = new Plane(); c1.modelYear = 2024; p1.fuel = 6000; Console.WriteLine("Executed Successfully"); } }
Bruk symbolet : i syntaksen til en avledet klasse for å angi foreldreklassen.
index.cs
12345678910111213141516171819202122232425262728293031323334353637using System; public class Vehicle { public int modelYear; public float fuel; } public class Car : Vehicle { public void Drive() { Console.WriteLine("The car is now driving."); } } public class Plane : Vehicle { public void Fly() { Console.WriteLine("The plane is now flying."); } } public class Program { public static void Main(string[] args) { Car c1 = new Car(); Plane p1 = new Plane(); c1.modelYear = 2024; p1.fuel = 6000; Console.WriteLine("Executed Successfully"); } }
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