C#•10mo ago

In the simplest terms possible, what is a constructor?

Im so confused, and the w3schools article is no help :(

5 Replies

According to GPT4, "A .NET C# constructor is a special kind of method in C# used to create and initialize objects from a class. When you create a new instance of a class, the constructor sets up the initial state of the object, like setting initial values for its properties or fields. Constructors have the same name as the class and do not have a return type, not even void." I couldn't have said it better myself.

Angius•10mo ago

Construction is what gets called when you create a new instance of an object That's the long and short of it, basically

MODiX•10mo ago

Angius

REPL Result: Success

class Foo
{
    public Foo(string name)
    {
        Console.WriteLine($"Hello from the constructor, {name}");
    }
}

var f = new Foo("Bob");

class Foo
{
    public Foo(string name)
    {
        Console.WriteLine($"Hello from the constructor, {name}");
    }
}

var f = new Foo("Bob");

Console Output

Hello from the constructor, Bob

Hello from the constructor, Bob

Compile: 464.199ms | Execution: 31.657ms | React with ❌ to remove this embed.

AndrozetaOP•10mo ago

Why not just say "public string Foo;" instead of saying "public Foo(string name)?

SinFluxx•10mo ago

Because constructors don't have return types public string Foo would imply a method named Foo that returns a string whereas a constructor is always [optional access modifier] [name]([parameters])

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Programming

In the simplest terms possible, what *is* a constructor?

In the simplest terms possible, what is a constructor?