static void Main(string[] args)
        {
            RandData rand = new RandData();

            Customer[] cs = new Customer[10];

            for (int i = 0; i < cs.Length; i++)
            {
                cs[i] = new Customer(rand.getName(), rand.getTel(),
                                     rand.getAddress(), rand.getModel(), rand.getColor(),
                                     rand.getYear(), rand.getCompany());
                cs[i].printCustomerInfo();
                //Console.WriteLine(cs[i].ToString());
            }
        }
        static void Main(string[] args)
        {
            RandData rand = new RandData();

            Student[] st = new Student[10];
            for (int i = 0; i < st.Length; i++)
            {
                st[i] = new Student(rand.getName(), rand.getAge(),
                                    rand.getGender(), rand.getAddress());
                Console.WriteLine(st[i].ToString());
            }

            for (int i = 0; i < st.Length; i++)
            {
                st[9] = new Student("전우치", 24, '남', "조선 한양인근 두메산골");
                Console.WriteLine(st[i].ToString());
            }
        }