在C#中的另一个类内声明的类

public class OuterClass
{
    public int x = 10;

    public class NestedClass
    {
        public void Display()
        {
            Console.WriteLine("The value of x is: " + x);
        }
    }
}

public class Program
{
    public static void Main()
    {
        OuterClass.NestedClass nestedObj = new OuterClass.NestedClass();
        nestedObj.Display();
    }
}