RPR vježba 2, 1. a)

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



namespace ConsoleApplication5
{

    class FudbalerU21
    {
        private string Ime;
        private string Prezime;
        private int _G_R;
        private int _B_G;

        public FudbalerU21(string ime, string prezime, int gr, int bg)
        {
            this.Ime = ime;
            this.Prezime = prezime;
            this._G_R = gr;
            this._B_G = bg;
        }



        public string ime
        {
            set
            {
                if (value == null || value == string.Empty) throw new Exception("No name provided");
                else this.Ime = value;
            }
            get
            {
                return this.Ime;
            }
        }
        public int BrojGolova
        { set; get; }
        public int GR
        { set; get; }
        public string prezme
        {
            set
            {
                if (value == null || value == string.Empty) throw new Exception("No lastname provided");
                else this.Prezime = value;
            }
            get
            {
                return this.Prezime;
            }
        }
        public bool DaLiJePunoljetan()
        {
            if (DateTime.Now.Year - GR == 21) return true; else return false;
        }


        public int godine
        {
            get
            {
                return (DateTime.Now.Year - this._G_R);
            }
            set
            {
                godine = DateTime.Now.Year - this._G_R;
                if (godine > 21) throw new Exception("hasjf");
            }
        }


        public void Ispisi()
        {
            if (21 - this.godine <= 0) throw new InvalidCastException("Fudbaler je punoljetan");
            Console.WriteLine(Ime + " " + Prezime + " " + _G_R + " Do punoljetnosti ostalo: {0} ", (21-this.godine));

        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                FudbalerU21 NF = new FudbalerU21("Adin", "Velić", 1993, 1000);
                NF.Ispisi();

            }
            catch (InvalidCastException e )
            {
                Console.WriteLine(e);

            }
            Console.ReadLine();

        }
    }
}