using System;

using System.Linq;

using Newtonsoft.Json;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        Struct();

        Class();

    }

    private static void Class(){

        Console.WriteLine("\nClass Tests");

        TeacherStruct a,b,c;

        a = new TeacherStruct

        {

            Nome = "1",

            Titulo = "11"

        };      

        b = new TeacherStruct

        {

            Nome = "1",

            Titulo = "11"

        };

        c = new TeacherStruct{

            Nome = "2",

            Titulo = "22"

        };

        List<object> list = new List<object>()

        {

            a,

            b,

            c

        };

        Console.WriteLine(JsonConvert.SerializeObject(list));

        Console.WriteLine($"a=b: {a.Equals(b)}");       

        Console.WriteLine($"a=c: {a.Equals(c)}");

        Console.WriteLine($"b=c: {b.Equals(c)}");

        Console.WriteLine(JsonConvert.SerializeObject(list.Distinct()));

    }

    private static void Struct(){

        Console.WriteLine("\nStruct Tests");

        TeacherClass a,b,c;

        a = new TeacherClass

        {

            Nome = "1",

            Titulo = "11"

        };      

        b = new TeacherClass

        {

            Nome = "1",

            Titulo = "11"

        };

        c = new TeacherClass{

            Nome = "2",

            Titulo = "22"

        };

        List<object> list = new List<object>()

        {

            a,

            b,

            c

        };

        Console.WriteLine(JsonConvert.SerializeObject(list));

        Console.WriteLine($"a=b: {a.Equals(b)}");       

        Console.WriteLine($"a=c: {a.Equals(c)}");

        Console.WriteLine($"b=c: {b.Equals(c)}");

        Console.WriteLine(JsonConvert.SerializeObject(list.Distinct()));

    }

}

​

public class TeacherClass

{

    public string Nome;

    public string Titulo;

}

​

public struct TeacherStruct

{

    public string Nome;

    public string Titulo;

}