static void Main(string[] args)
{
       Console.WriteLine("---------------List泛型初体验系统定义好的-----------------------");
       TestFanXing();

       Console.WriteLine("---------------dictionary泛型字典系统定义好的-------------------");
       FanXingDictionary();
}

         /// <summary>
        /// 系统自带List泛型 
        /// </summary>
        public static void TestFanXing()
        {
            List<string> strList = new List<string>() { "hello", "caiqing", "fanxing" };
            foreach (var item in strList)
            {
                Console.WriteLine(item);
            }

            List<int> intList = new List<int>() { 1, 5, 11, 45, 85, 78 };
            foreach (var item in intList)
            {
                Console.WriteLine(item);
            }
        }

         /// <summary>
        /// 系统自带字典泛型
        /// </summary>
        public static void FanXingDictionary()
        {
            //泛型Dictionary<K,V> 键，值对也叫字典
            Dictionary<int, string> dic = new Dictionary<int, string>();
            dic.Add(1,"cai");
            dic.Add(2, "qing");
            //字典的遍历
            foreach (var item in dic)
            {
                Console.WriteLine(item.Key.ToString()+" "+ item.Value);
            }
            //字典的查找
            bool bCon =  dic.ContainsValue("qing");
            Console.WriteLine(bCon.ToString());

            dic.Remove(1);
            //字典的遍历
            foreach (var item in dic)
            {
                Console.WriteLine(item.Key.ToString() + " " + item.Value);
            }
        }