public Ve(string sohieucb, string sbden,
string sbdi, double gia, HanhKhach hk)
{
SoHieuCB = sohieucb;
SanBayDen = sbden;
SanBayDi = sbdi;
GiaVe = gia;
this.hk = hk;
}
public VeNguoiLon(string sohieucb, string sbden,
string sbdi, double gia, HanhKhach hk) : base(sohieucb, sbden, sbdi, gia, hk)
{
}
public VeTreEm(string sohieucb, string sbden,
string sbdi, double gia, HanhKhach hk) : base(sohieucb, sbden, sbdi, gia, hk)
{
}
public VeSinhVien(string sohieucb, string sbden,
string sbdi, double gia, HanhKhach hk) : base(sohieucb, sbden, sbdi, gia, hk)
{
}
