访问私有空函数c#内的另一个类中的变量

public class MyClass
{
    private string myVariable;

    private void MyPrivateMethod()
    {
        myVariable = "Hello World";
    }

    public string GetMyVariable()
    {
        return myVariable;
    }
}

public class AnotherClass
{
    public void AccessVariable()
    {
        MyClass myObject = new MyClass();
        myObject.MyPrivateMethod();
        string variableValue = myObject.GetMyVariable();
        Console.WriteLine(variableValue);
    }
}

public class MyClass
{
    private static string myVariable;

    private void MyPrivateMethod()
    {
        myVariable = "Hello World";
    }

    public static string GetMyVariable()
    {
        return myVariable;
    }
}

public class AnotherClass
{
    public void AccessVariable()
    {
        MyClass.MyPrivateMethod();
        string variableValue = MyClass.GetMyVariable();
        Console.WriteLine(variableValue);
    }
}