.NET开发基础:从简单的例子理解泛型 分享

    public Boy(string name, int height) {
        this.mName = name;
        this.mHeight = height;
    }
}

 
//演员选拔类
public class Compare
{
    //导演导超女出生，喜欢一对一PK
    public Boy WhoIsBetter(Boy boy1, Boy boy2)
    {
        if (boy1.Height > boy2.Height)
        {
            return boy1;
        }
        else
        {
            return boy2;
        }
    }
}

 
//测试
static void Main(string[] args)
{
    Boy boy1 = new Boy("潘长江", 165);
    Boy boy2 = new Boy("刘德华", 175);

    Console.WriteLine(new Compare().WhoIsBetter(boy1, boy2).Name);
    Console.ReadLine();
}
 

    public Girl(string name, int weight){
        this.mName = name;
        this.mWeight = weight;
    }
}

 
//演员选拔类中添加一个女演员方法
public class Compare
{
    //男演员身高是王道
    public Boy WhoIsBetter(Boy boy1, Boy boy2)
    {
        if (boy1.Height > boy2.Height)
        {
            return boy1;
        }
        else
        {
            return boy2;
        }
    }

    //女演员苗条是王道
    public Girl WhoIsBetter(Girl girl1, Girl girl2)
    {
        if (girl1.Weight < girl2.Weight)
        {
            return girl1;
        }
        else
        {
            return girl2;
        }
    }
}

 
//测试
static void Main(string[] args)
{
    Boy boy1 = new Boy("潘长江", 165);
    Boy boy2 = new Boy("刘德华", 175);

    Girl girl1 = new Girl("巩俐", 120);
    Girl girl2 = new Girl("周迅", 80);

    Console.WriteLine(new Compare().WhoIsBetter(boy1, boy2).Name);
    Console.WriteLine(new Compare().WhoIsBetter(girl1, girl2).Name);
    Console.ReadLine();
}
 

    public Boy(string name, int height) {
        this.mName = name;
        this.mHeight = height;
    }

    public int CompareTo(object obj)
    {
        //比较身高
        return this.mHeight - ((Boy)obj).Height;
    }
}

/// <summary>
/// 女演员:实现IComparable接口
/// </summary>
public class Girl : IComparable
{
    //姓名
    private string mName;
    //体重 www.jb51.net
    private int mWeight;
    public string Name
    {
        get { return this.mName; }
    }
    public int Weight
    {
        get { return this.mWeight; }
    }

    public Girl(string name, int weight){
        this.mName = name;
        this.mWeight = weight;
    }

    public int CompareTo(object obj)
    {
        //比较体重
        return ((Girl)obj).Weight - this.mWeight;
    }
}
 

     Girl girl1 = new Girl("巩俐", 120);
     Girl girl2 = new Girl("周迅", 80);

     Console.WriteLine(((Boy)new Compare().WhoIsBetter(boy1, boy2)).Name);
     Console.WriteLine(((Girl)new Compare().WhoIsBetter(girl1, girl2)).Name);
     Console.WriteLine(new Compare().WhoIsBetter(boy1.Height, boy2.Height));
     Console.WriteLine(new Compare().WhoIsBetter(girl1.Weight, girl2.Weight));

     Console.ReadLine();
}
 

    Girl girl1 = new Girl("巩俐", 120);
    Girl girl2 = new Girl("周迅", 80);

    Console.WriteLine(((Boy)new Compare().WhoIsBetter(boy1, girl1)).Name);
    Console.ReadLine();
}
 

    Girl girl1 = new Girl("巩俐", 120);
    Girl girl2 = new Girl("周迅", 80);

    Console.WriteLine((new Compare<Boy>().WhoIsBetter(boy1, boy2)).Name);
    Console.WriteLine((new Compare<Girl>().WhoIsBetter(girl1, girl2)).Name);
    Console.WriteLine(new Compare<int>().WhoIsBetter(boy1.Height, boy2.Height));
    Console.WriteLine(new Compare<string>().WhoIsBetter(boy1.Name, girl1.Name));
    Console.ReadLine();
}