using System.Collections.Generic;namespace ListDemo1
{public class Player{public Player(int id, string name, string team){this.Id = id;this.Name = name;this.Team = team;}public int Id { get; set; }public string Name { get; set; }public string Team { get; set; }}
}

using System.Collections.Generic;namespace ListDemo1
{public class PlayerList : List<Player>{public PlayerList(){this.Add(new Player(1, "科比-布莱恩特", "湖人队"));this.Add(new Player(2, "保罗-加索尔", "湖人队"));this.Add(new Player(3, "拉玛尔-奥多姆", "湖人队"));this.Add(new Player(4, "德克-诺维茨基", "小牛队"));this.Add(new Player(5, "杰森-特里", "小牛队"));this.Add(new Player(6, "肖恩-马里昂", "小牛队"));this.Add(new Player(7, "凯文-加内特", "凯尔特人队"));}}
}

using System;
using System.Collections.Generic;namespace ListDemo1
{class Program{static void Main(string[] args){PlayerList players = new PlayerList();//查找所有队员数据：Action<Player> listAll = delegate(Player p){Console.WriteLine(string.Format("队员Id={0} | 队员名称={1} | 所属球队={2} ", p.Id, p.Name, p.Team));};Console.ForegroundColor = ConsoleColor.Red;Console.WriteLine(string.Format("数据库所有队员信息为:"));players.ForEach(listAll);//查找小牛队队员的谓词定义Predicate<Player> findValue = delegate(Player p){return p.Team.Equals("小牛队");};//第一个匹配元素Player firstPlayer = players.Find(findValue);Console.ForegroundColor = ConsoleColor.Green;Console.WriteLine("\r\nFind方法获得第一个小牛队员是:{0}", firstPlayer.Name);//获得所有的匹配元素List<Player> findPlayers = players.FindAll(findValue);Console.ForegroundColor = ConsoleColor.Yellow;Console.WriteLine(string.Format("\r\nFindAll方法查找到的所有小牛球员为:"));Action<Player> listFindAll = delegate(Player p){Console.WriteLine(string.Format("队员Id={0} | 队员名称为={1}", p.Id, p.Name));};findPlayers.ForEach(listFindAll);Console.ReadKey();}}
}