C#泛型的使用

using System;using System.Collections.Generic;using System.Linq;using System.Text;/* * 1、泛型结构 * 2、泛型委托 * 3、泛型方法 */namespace ExGenericStruct{ //泛型结构 struct PiceOfData<T> { public PiceOfData(T _value) { _Data = _value; } private T _Data; public T Data { get { return _Data; } set { _Data = value; } } } //泛型委托 public delegate TR Func<T1,T2,TR>(T1 p1,T2 p2); class simple { static public string PrintString(int p1, int p2) { int total = p1 + p2; return total.ToString(); } public static void ReverseAndPrint<T>(T[]arr) { Array.Reverse(arr); foreach (T item in arr) { Console.Write("{0}\t\t",item.ToString()); } Console.WriteLine(); } } class Program { static void Main(string[] args) { Console.WriteLine("泛型结构"); var intData = new PiceOfData<int>(30); var stringData = new PiceOfData<string>("Hi There"); Console.WriteLine("intData:{0}", intData.Data); Console.WriteLine("stringData:{0}", stringData.Data); Console.WriteLine("泛型委托"); var myDel = new Func<int, int, string>(simple.PrintString); Console.WriteLine("Total:{0}",myDel(13,14)); Console.WriteLine("泛型方法"); var intArray = new int[] { 1, 2, 3 }; var stringArray = new string [] { "asd","dff","dsfe" }; var doubleArray = new double[] { 1.234, 2.345, 3.456 }; simple.ReverseAndPrint<int>(intArray);//调用方法 simple.ReverseAndPrint(intArray);//引用类型并调用,让编译器推断类型 simple.ReverseAndPrint<string>(stringArray);//调用方法 simple.ReverseAndPrint(stringArray);//引用类型并调用 simple.ReverseAndPrint<double>(doubleArray);//调用方法 simple.ReverseAndPrint(doubleArray);//引用类型并调用 Console.ReadLine(); } }}