using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        List<int> a = new List<int>() {7};

        a.Add(1);

        a.Add(2);

        foreach (int b in a)

        {Console.WriteLine(b);}

        Console.WriteLine("Capacity: " + a.Capacity);

        List<Part> parter = new List<Part>() {};

        //Part b = new Part();

        parter.Add(new Part(1) {O = "ooooo"});

        parter.Add(new Part(1) {O = "u"});

        Console.WriteLine(parter[0].o + parter[1].o);

        Console.WriteLine(parter[0].Equals(parter[0].o));

    }

}

public class Part : IEquatable<Part>

{

    public string o {get; private set;}

    public string O

    {

    get {return o;}

    set {this.o = value;}

    }

​

    public Part(int a) //constructor doesnt do anything yet, just requires parameter

    {}

    public bool Equals(Part obj) //trying out IEquatable<> :)

    {

    return false;

    }

}