using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace _08求数组的最大值

{

    public delegate int DelCompare(object o1, object o2);

    class Program

    {

        static void Main(string[] args)

        {

            object[] nums = { , , , , , ,  };

            object[] names = { "张三", "李FatSoFat shit", "王五" };

            object[] pers = { new Person() { Name = "张三", Age =  }, new Person() { Name = "李四", Age =  }, new Person() { Name = "王五", Age =  } };

            //object:任意传任意类型

            //object[]:只能object类型的数组

            //object max = GetMax(nums, C1);

            //object max = GetMax(names, C2);

            //object max = GetMax(pers, C3);

            //Console.WriteLine(((Person)max).Age);

            //Console.WriteLine(((Person)max).Name);

            //Console.ReadKey();

            object max = GetMax(names, (o1, o2) => { return ((string)o1).Length - ((string)o2).Length; });

            Console.WriteLine(max);

            object max2 = GetMax(pers, (o1, o2) => { return ((Person)o1).Age - ((Person)o2).Age; });

            Console.WriteLine(((Person)max2).Name);

            Console.WriteLine(((Person)max2).Age);

            Console.ReadKey();

        }

        static object GetMax(object[] nums, DelCompare del)//外面传进来一个比较的方式

        {

            object max = nums[];

            for (int i = ; i < nums.Length; i++)

            {

                //委托 ： max-nums[i]

                if (del(max, nums[i]) < )//比较的方式 if(nums[i]>max)

                {

                    max = nums[i];

                }

            }

            return max;

        }

        //static int C1(object o1, object o2)

        //{

        //    int n1 = (int)o1;

        //    int n2 = (int)o2;

        //    return n1 - n2;

        //}

        //static int C2(object o1, object o2)

        //{

        //    string s1 = (string)o1;

        //    string s2 = (string)o2;

        //    return s1.Length - s2.Length;

        //}

        //static int C3(object o1, object o2)

        //{

        //    Person p1 = (Person)o1;

        //    Person p2 = (Person)o2;

        //    return p1.Age - p2.Age;

        //}

        #region MyRegion

        //static object GetMax(object[] names)

        //{

        //    object max = names[0];

        //    for (int i = 0; i < names.Length; i++)

        //    {

        //        if (names[i].Length > max.Length)

        //        {

        //            max = names[i];

        //        }

        //    }

        //    return max;

        //}

        //static object GetMax(object[] pers)

        //{

        //    object pMax = pers[0];

        //    for (int i = 0; i < pers.Length; i++)

        //    {

        //        if (pers[i].Age > pMax.Age)

        //        {

        //            pMax = pers[i];

        //        }

        //    }

        //    return pMax;

        //}

        #endregion

    }

    class Person

    {

        public int Age { get; set; }

        public string Name { get; set; }

    }

}