自定义泛型

自定义泛型

MyListGeneric<T>

T可以为任意类型，是不固定的。只有在实例化以后才根据操作者的定义而固定类型；

 

关键词：MyListGeneric
 MyListGeneric<int> numbers = new MyListGeneric<int>();
            numbers[0] = 10;
            numbers[1] = 30;
            numbers[2] = 90;
            Console.WriteLine(numbers[1]);
            Console.WriteLine("-----------------------------------");
            MyListGeneric<string> strs = new MyListGeneric<string>();
            strs[0] = "an";
            strs[1] = "wang";
            strs[2] = "xiao";
            Console.WriteLine(strs[1]);
            Console.WriteLine("------------------------------------");
            MyListGeneric<Person> per = new MyListGeneric<Person>();
            Person p1 = new Person(){Name = "刘洪洋",Age = 20};
            Person p2 = new Person(){Name = "wang",Age = 20};
            per[0]=p1;
            per[1]=p2;

            Console.WriteLine(per[0].Name);
            Console.ReadKey();
        }
    }

    class Person
    {
        public string Name
        {
            get;
            set;
        }
        public int Age
        {
            get;
            set;
        }
    }

    class MyListGeneric<T>
    {
        T[] arrInt = new T[100];
        public T this[int index]
        {
            get { return arrInt[index]; }
            set { arrInt[index] = value; }
        }
    }