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Learn Challenge: Constructors | Introduction to Object-Oriented Programming (OOP)
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C# Object-Oriented Structures

bookChallenge: Constructors

A simple class called Dog is given. Create a constructor which takes in the arguments name, breed, age, and initializes the fields from the values of arguments.

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using System; class Dog { public string name; public string breed; public int age; // Write constructor code below this line // Write constructor code above this line public void bark() { Console.WriteLine("Woof!"); } } public class ConsoleApp { public static void Main(string[] args) { Dog dog = new Dog("Dobby", "Dobermann", 4); dog.bark(); } }

In order to assign the argument values to the fields without raising any error you'll have to use this operator, since the arguments are the same name as the fields.

index.cs

index.cs

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using System; class Dog { public string name; public string breed; public int age; // Write constructor code below this line public Dog(string name, string breed, int age) { this.name = name; this.breed = breed; this.age = age; } // Write constructor code above this line public void bark() { Console.WriteLine("Woof!"); } } public class ConsoleApp { public static void Main(string[] args) { Dog dog = new Dog("Dobby", "Dobermann", 4); dog.bark(); } }
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SectionΒ 3. ChapterΒ 10

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bookChallenge: Constructors

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A simple class called Dog is given. Create a constructor which takes in the arguments name, breed, age, and initializes the fields from the values of arguments.

index.cs

index.cs

copy
123456789101112131415161718192021222324
using System; class Dog { public string name; public string breed; public int age; // Write constructor code below this line // Write constructor code above this line public void bark() { Console.WriteLine("Woof!"); } } public class ConsoleApp { public static void Main(string[] args) { Dog dog = new Dog("Dobby", "Dobermann", 4); dog.bark(); } }

In order to assign the argument values to the fields without raising any error you'll have to use this operator, since the arguments are the same name as the fields.

index.cs

index.cs

copy
12345678910111213141516171819202122232425262728
using System; class Dog { public string name; public string breed; public int age; // Write constructor code below this line public Dog(string name, string breed, int age) { this.name = name; this.breed = breed; this.age = age; } // Write constructor code above this line public void bark() { Console.WriteLine("Woof!"); } } public class ConsoleApp { public static void Main(string[] args) { Dog dog = new Dog("Dobby", "Dobermann", 4); dog.bark(); } }
Everything was clear?

How can we improve it?

Thanks for your feedback!

SectionΒ 3. ChapterΒ 10
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