using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        var planets = new SortedList<int, string>(6);

​

        Console.WriteLine("-----Capacity after Initialization of List collection-----");

        Console.WriteLine($"Capacity : {planets.Capacity}"); // Current capacity is 6

        Console.WriteLine($"Count : {planets.Count}"); // Items in the list 0

        planets.Add(1, "Mercury");

        planets.Add(2, "Venus");

        planets.Add(3, "Earth");

​

        Console.WriteLine("-----Capacity after Add()-----");

        Console.WriteLine($"Capacity : {planets.Capacity}"); // Current capacity is 6

        Console.WriteLine($"Count : {planets.Count}"); // Items in the list 3

        planets.TrimExcess();

        Console.WriteLine("-----Capacity after TrimExcess()-----");

        Console.WriteLine($"Capacity : {planets.Capacity}"); // Current capacity is 3

        Console.WriteLine($"Count : {planets.Count}"); // Items in the list 3

    }

}