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C# Beyond Basics

bookStruct Methods

A structure can also have methods apart from data fields. In a Struct, you create a method similar to how you create a method in general:

index.cs

index.cs

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struct structureName
{
    // some fields here (optional)

    public returnType methodName(parameter1, parameter2, ...) 
    {
        // code
    }
}

For example:

index.cs

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struct Player
{
    public string name;
    public int score;

    public void displayScore()
    {
        Console.WriteLine($"{name} has {score} score");
    }
}

In the Player structure you have a method called displayScore which displays a formatted output message containing the name and score. It is important to note that the name and score values will be different for each object (instance), which means that the displayScore method will show a different output for each object.

You can access and execute the method using the variableName.methodName() syntax. Let's look at how you will use the Player structure:

index.cs

index.cs

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using System;

struct Player
{
    public string name;
    public int score;

    public void displayScore()
    {
        Console.WriteLine($"{name} has {score} score");
    }
}

class ConsoleApp
{
    static void Main(string[] args)
    {
        Player player1 = new Player();
        Player player2 = new Player();

        player1.name = "SuperKillerPro";
        player1.score = 100;

        player2.name = "Cyrex";
        player2.score = 77;

        player1.displayScore();
        player2.displayScore();
    }
}

In the example, two objects were created using the Player class and some data was assigned to them. The displayScore method was called using each object and the output turned out to be different for each of them.

You can also have methods with some parameters. Let's add a new method called addScore which increases the score by a specified amount and try using it:

index.cs

index.cs

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using System;

struct Player
{
    public string name;
    public int score;

    public void displayScore()
    {
        Console.WriteLine($"{name} has {score} score");
    }

    public void addScore(int add)
    {
        score += add;
    }
}

class ConsoleApp {
    static void Main(string[] args)
    {
        Player player1 = new Player();

        player1.name = "SuperKillerPro";
        player1.score = 100;

        player1.displayScore();
        player1.addScore(70);
        player1.displayScore();
    }
}

You can see from the output that the method updates the score by 70 points.

1. Which is a valid keyword for declaring a method?

2. What will be the output of the following code?

question mark

Which is a valid keyword for declaring a method?

Select the correct answer

question mark

What will be the output of the following code?

Select the correct answer

Everything was clear?

How can we improve it?

Thanks for your feedback!

SectionΒ 2. ChapterΒ 5

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bookStruct Methods

Swipe to show menu

A structure can also have methods apart from data fields. In a Struct, you create a method similar to how you create a method in general:

index.cs

index.cs

copy

              
123456789

            
struct structureName
{
    // some fields here (optional)

    public returnType methodName(parameter1, parameter2, ...) 
    {
        // code
    }
}

For example:

index.cs

index.cs

copy

              
12345678910

            
struct Player
{
    public string name;
    public int score;

    public void displayScore()
    {
        Console.WriteLine($"{name} has {score} score");
    }
}

In the Player structure you have a method called displayScore which displays a formatted output message containing the name and score. It is important to note that the name and score values will be different for each object (instance), which means that the displayScore method will show a different output for each object.

You can access and execute the method using the variableName.methodName() syntax. Let's look at how you will use the Player structure:

index.cs

index.cs

copy

              
123456789101112131415161718192021222324252627282930

            
using System;

struct Player
{
    public string name;
    public int score;

    public void displayScore()
    {
        Console.WriteLine($"{name} has {score} score");
    }
}

class ConsoleApp
{
    static void Main(string[] args)
    {
        Player player1 = new Player();
        Player player2 = new Player();

        player1.name = "SuperKillerPro";
        player1.score = 100;

        player2.name = "Cyrex";
        player2.score = 77;

        player1.displayScore();
        player2.displayScore();
    }
}

In the example, two objects were created using the Player class and some data was assigned to them. The displayScore method was called using each object and the output turned out to be different for each of them.

You can also have methods with some parameters. Let's add a new method called addScore which increases the score by a specified amount and try using it:

index.cs

index.cs

copy

              
12345678910111213141516171819202122232425262728293031

            
using System;

struct Player
{
    public string name;
    public int score;

    public void displayScore()
    {
        Console.WriteLine($"{name} has {score} score");
    }

    public void addScore(int add)
    {
        score += add;
    }
}

class ConsoleApp {
    static void Main(string[] args)
    {
        Player player1 = new Player();

        player1.name = "SuperKillerPro";
        player1.score = 100;

        player1.displayScore();
        player1.addScore(70);
        player1.displayScore();
    }
}

You can see from the output that the method updates the score by 70 points.

1. Which is a valid keyword for declaring a method?

2. What will be the output of the following code?

question mark

Which is a valid keyword for declaring a method?

Select the correct answer

question mark

What will be the output of the following code?

Select the correct answer

Everything was clear?

How can we improve it?

Thanks for your feedback!

SectionΒ 2. ChapterΒ 5
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