public void removeGhe(int i) { danhsachGheDat.remove(chuyen.getGhe(i)); }
public int getGia() { return chuyen.getGia(); }
public void addGhe(int i) { danhsachGheDat.add(chuyen.getGhe(i)); Collections.sort(danhsachGheDat); }
public String getBenXuatPhat() { return chuyen.getBenXuatPhat(); }
public String getGioKhoiHanh() { return chuyen.getGioKhoiHanh(); }
public Date getNgayKhoiHanh() { return chuyen.getNgayKhoiHanh(); }
public String getTuyenXe() { return chuyen.getTuyenXe(); }
public int getTongTien() { return chuyen.getGia() * danhsachGheDat.size(); }