C#

public struct mystruct
    {
        public void display()
        {
            System.Console.WriteLine("My main Sturct");
        }

        public struct ns1 //nested struct
        {
            public void show(int n)
            {
                System.Console.WriteLine("nested struct 1: Call# " + n);
            }
        }// the nested struct ns1 ends

        <code>//following line gives the error 	
        //public ns1[] stary = new ns1[2]; </code>
   
    } // mystruct ends

mystruct ms = new mystruct();
            ms.display();   //ms.stary[0].show(); ms.stary[1].show();

            mystruct.ns1 a = new mystruct.ns1();
            a.show(1);

            //Create and use struct array
            mystruct.ns1[] b = new mystruct.ns1[2]; 
            b[0].show(2);
            b[1].show(3);