c#属性

class Program
{
static void Main(string[] args)
{
ceshi wo;
Student av = new Student();
wo=new ceshi(av.Sum);
ceshi wo1=new ceshi(av.Avg);

av.Age = 20;
av.Shuxue = 100;
av.Yingyu = 150;
av.Yuwen = 120;
Console.WriteLine("总成绩为{0},\n平均值为{1}", wo(av.Shuxue, av.Yuwen, av.Yingyu), wo1(av.Shuxue, av.Yuwen, av.Yingyu));
Console.ReadKey();

}

delegate double ceshi(double a, double b, double c);
class Student
{
public double Sum(double a, double b, double c)
{

return a + b + c;
}
public double Avg(double a, double c, double b)
{

return (a + b + c) / 3;
}
private string name;
private char sex;
private int age;
private double shuxue;
private double yuwen;
private double yingyu;

public string Name {
set {name = value;}
get { return name; }
}
public int Age {
set { age = value; }
get { return age; }

}
public double Shuxue
{
set { shuxue = value; }
get { return shuxue; }

}
public double Yingyu
{
set { yingyu = value; }
get { return yingyu; }

}
public double Yuwen
{
set { yuwen = value; }
get { return yuwen; }

}

}