예제 #1
0
        public static NoteBook getNotebook(String brand)
        {
            NoteBook nb = null;

            switch (brand)
            {
            case "acer": nb = new acer(); break;

            case "lenovo": nb = new Lenovo(); break;

            case "IBM": nb = new IBM(); break;
            }
            return(nb);
        }
예제 #2
0
        static void Main(string[] args)
        {
            //2006年培养学员80000人,每年增长25%,请问按此增长速度,到哪一年学员数量将达到20万人?

            int    year   = 2006;
            double people = 80000;

            while (people < 200000)
            {
                people *= 1.25;
                year++;
            }
            Console.WriteLine("到{0}年的时候学员数量将达到20万人", year);
            Console.ReadKey();

            Console.WriteLine("请输入你想要买的电脑的平牌");
            String brand = Console.ReadLine();

            NoteBook nb = getNotebook(brand);

            nb.sayhello();
            Console.ReadKey();
        }