Classes_Buchhandlung

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Verlag_Buch
{
    class Program
    {
        static void Main(string[] args)
        {

        }

        class CAutor
        {
            string a_name;
            private List<CBuch> a_Buchlist;
            public string A_name
            {
                get { return a_name; }
                set { A_name = value; }
            }
            //Konstruktor
            public CAutor(string a_name)
            {
                a_Buchlist = new List<CBuch>();
                this.a_name = A_name;
            }
            //Connection
            public void addBuch(CBuch a_Buch)
            {
                a_Buchlist.Add(a_Buch);
            }

        }

        class CBuch
        {
            string b_name;
            string isbn;
            //private List<CAutor> b_Buchlist;

            public string B_name
            {
                get { return b_name; }
                set { B_name = value; }
            }
            public string ISBN
            {
                get { return isbn; }
                set { ISBN = value; }
            }
            //Konstruktor
            public CBuch(string B_name, string ISBN)
            {
                b_Buchlist = new List<CAutor>();
                this.b_name = B_name;
                this.isbn = ISBN;
            }
            //Connection
            public void addAutor(CAutor b_Buch)
            {
                b_Buchlist.Add(b_Buch);
            }

        }

        class CThemengebiet
        {
            string t_name;
            public string T_name
            {
                get { return t_name; }
                set { t_name = value; }
            }


        }

        class CMitarbeiter
        {
            string m_name;

            private List<CThemengebiet> m_Themenliste;

            public string M_name
            {
                get { return M_name; }
                set { m_name = value; }
            }

            public CMitarbeiter(string m_name)
            {
                m_Themenliste = new List<CThemengebiet>();
                this.m_name = M_name;
            }
            public void AddThemengebiet(CThemengebiet m_Themengebiet)
            {
                if(m_Themenliste.Count<3)
                {
                    m_Themenliste.Add(m_Themengebiet);
                }
            }

        }

        class CVerlag
        {
            string v_name;

            public string V_name
            {
                get { return v_name; }
                set { v_name = value; }
            }


        }
    }
}