How do I create immutable classes in C#?

How do I create immutable classes in C#?

To create an immutable class in C#, you can use read-only properties and a constructor to set their values.

Can you show me an example of an immutable class?

Sure! Here's a simple example:

public class Person
{
    public string Name { get; }
    public int Age { get; }

    public Person(string name, int age)
    {
        Name = name;
        Age = age;
    }
}

What if I want to add a method to this class?

You can add methods, but they should not modify the state of the object. For example:

public string GetInfo()
{
    return $"Name: {Name}, Age: {Age}";
}

Are there any performance considerations with immutable classes?

Yes, immutable classes can lead to increased memory usage if many instances are created. However, they are thread-safe and can simplify reasoning about code.