public class Main { public static void main(String[] args) { quanlygiaodich qlgd = new quanlygiaodich(); String maGiaoDich = "GD001"; Date ngayGiaoDich = new Date(2023, 4, 24); double donGia = 5000000; double soLuong = 10; String loaiVang = "18K"; qlgd.xuatDanhSachGiaoDich(); } }

public class Main {
  public static void main(String[] args) {
    quanlygiaodich qlgd = new quanlygiaodich();
    String maGiaoDich = "GD001";
    Date ngayGiaoDich = new Date(2023, 4, 24);
    double donGia = 5000000;
    double soLuong = 10;
    String loaiVang = "18K";
    qlgd.nhapGiaoDichVang(maGiaoDich, ngayGiaoDich, donGia, soLuong, loaiVang);
    String maGD = "GD002";
    Date ngayGD = new Date(2021, 1, 11);
    double dongia = 12000000;
    double soluong = 10;
    String loaiTienTe = "USD";
    qlgd.nhapGiaoDichTienTe(maGD, ngayGD, dongia, soluong, loaiTienTe);
    qlgd.xuat