C#•15mo ago

❔ How to import different classes to main file.

hello, i have a question, i'm a beginner in C# and a try to split my program in different classes, now i making a simple calculator without graphic interface, and i can't split my program in 2 classes, one with basics operations and the main class with main method, my question is what i can import my basic operations class to my main class? ps: https://github.com/devv-thiago/calculadora_CMD

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2 Replies

Angius•15mo ago

You don't import classes, you import namespaces And only if needed If two classes are in the same namespace you can just... use them

// Program.cs
namespace Foo;

public class Program
{
    public static void Main()
    {
        var b = new Baz();
        b.Print();
    }
}

// Program.cs
namespace Foo;

public class Program
{
    public static void Main()
    {
        var b = new Baz();
        b.Print();
    }
}

namespace Foo;

public class Baz
{
    public void Print()
    {
        Console.WriteLine("henlo");
    }
}

namespace Foo;

public class Baz
{
    public void Print()
    {
        Console.WriteLine("henlo");
    }
}

will just work, because same namespace If the namespace is different, then you need to use the using directive

// Program.cs
using Unga.Bunga;

namespace Foo;

public class Program
{
    public static void Main()
    {
        var b = new Baz();
        b.Print();
    }
}

// Program.cs
using Unga.Bunga;

namespace Foo;

public class Program
{
    public static void Main()
    {
        var b = new Baz();
        b.Print();
    }
}

namespace Unga.Bunga;

public class Baz
{
    public void Print()
    {
        Console.WriteLine("henlo");
    }
}

namespace Unga.Bunga;

public class Baz
{
    public void Print()
    {
        Console.WriteLine("henlo");
    }
}

Accord•15mo ago

Was this issue resolved? If so, run /close - otherwise I will mark this as stale and this post will be archived until there is new activity.

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❔ How to import different classes to main file.