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C# Beyond Basics
C# Beyond Basics
Encapsulation Practice
The base code has two classes called Vehicle
and Car
. Some of the fields need to be hidden while some need to be exposed.
Adjust the visibility of the
type
andmodelYear
fields inVehicle
such that they are not accessible from outside the class, including derived classes;Create a new method called
getModelYear
inside theVehicle
class such that it returns themodelYear
. This method should be accessible from anywhere. This method will allow the users of this class to access themodelYear
but not be able to modify it from outside;The
ownerName
andfuel
properties should not be accessible from anywhere;Make a method called
getFuel
which returns the value offuel
;Make a method called
addFuel
which takes in afloat
argument calledfuel
. Inside the method, add the value offuel
to the propertyfuel
(this.fuel
).
index
using System; class Vehicle { // Edit code below this line public string type; public int modelYear; // Edit code above this line // Create a method below this line // Create a method above this line public Vehicle(string type, int modelYear) { this.type = type; this.modelYear = modelYear; } } class Car : Vehicle { // Edit code below this line public string brandName; public string numberPlate; public string ownerName; public float fuel; // Edit code above this line // Create a method below this line // Create a method above this line public Car(int modelYear, string brandName, string numberPlate, string ownerName, float fuel) : base("Car", modelYear) { this.brandName = brandName; this.numberPlate = numberPlate; this.ownerName = ownerName; this.fuel = fuel; } } class Program { static void Main() { // Create an instance of Car Car myCar = new Car(2022, "Toyota", "ABC123", "John Doe", 50.0f); // Accessing properties and methods from Car class Console.WriteLine($"Brand: {myCar.brandName}"); Console.WriteLine($"Number Plate: {myCar.numberPlate}"); // Accessing getModelYear method from Vehicle class Console.WriteLine($"Model Year: {myCar.getModelYear()}"); // Accessing getFuel method from Car class Console.WriteLine($"Fuel: {myCar.getFuel()}"); // Adding fuel using addFuel method myCar.addFuel(10.0f); Console.WriteLine($"After adding fuel, new Fuel: {myCar.getFuel()}"); } }
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