范范（10）

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Collections;

namespace ConsoleApplication4
{
struct Person_struct
{

}
class Person_class
{

}
class GenericList<T>  where T : struct      //只接受值类型的泛型参数
{
public void Add(T input)
{
}
}

class GenericList_ref<T> where T : class     //只接受引用类型的泛型参数(class|interface|delegate|array|string)
{
public void Add(T input)
{
}
}

class Program
{
static void Main(string[] args)
{
List<String> list = new List<String>();    //List就是一个可以实现泛型的collection。
GenericList<int> intList = new GenericList<int>();  //int是值类型
GenericList<Person_struct> PersonList = new GenericList<Person_struct>();
GenericList_ref<String> StringList = new GenericList_ref<String>();   //string 是reference
GenericList_ref<Person_class> personlist2 = new GenericList_ref<Person_class>(); //class 是reference
}

}
}

</pre><pre code_snippet_id="1652900" snippet_file_name="blog_20160419_3_8274490" name="code" class="csharp">

<pre name="code" class="java">using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Collections;

namespace ConsoleApplication4
{

public class Car
{
public virtual void drive(string str)
{
}
}
public class Toyota : Car
{
public override void drive(string str)
{
Console.WriteLine(str + " driving...");
}
}
public class Nissan : Car
{
public override void drive(string str)
{
Console.WriteLine(str + " driving...");
}
}

public class Driver<TCar> where TCar : Car, new()
{
public TCar mycar = new TCar();
public void start()
{
mycar.drive(mycar.GetType().ToString());
}

}

class Program
{
static void Main(string[] args)
{
Driver<Toyota> driver = new Driver<Toyota>();
driver.start();
Console.ReadLine();
}

}
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Collections;

namespace ConsoleApplication4
{

  
    class Person : IComparable<Person>
    {
        public string name;
        public int CompareTo(Person other)
        {
            if (this.name.Equals(other.name))
                return 0;
            else
                return 1;
            throw new NotImplementedException();
        }
    }
    class Program
    {
        public static void Test<T>(T s, T t) where T : IComparable<T>
        {
            System.Console.WriteLine(s.CompareTo(t));
        }

        static void Main(string[] args)
        {
            string s1 = "a";
            string s2 = "a";
            Test(s1, s2);
            Person p1 = new Person();
            Person p2 = new Person();
            p1.name = "hah";
            p2.name = "hah";
            Test(p1, p2);

            Console.ReadLine();
        }

    }
}