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| abstract class ExamResult
{
//学号
public int Id { get; set; }
//数学成绩
public double Math { get; set; }
//英语成绩
public double English { get; set; }
//计算总成绩
public abstract void Total();
}
class MathMajor : ExamResult
{
public override void Total()
{
double total = Math * 0.6 + English * 0.4;
Console.WriteLine("学号为" + Id + "数学专业学生的成绩为：" + total);
}
}
class EnglishMajor : ExamResult
{
public override void Total()
{
double total = Math * 0.4 + English * 0.6;
Console.WriteLine("学号为" + Id + "英语专业学生的成绩为：" + total);
}
}
class Program
{
static void Main(string[] args)
{
MathMajor mathMajor = new MathMajor();
mathMajor.Id = 1;
mathMajor.English = 80;
mathMajor.Math = 90;
mathMajor.Total();
EnglishMajor englishMajor = new EnglishMajor();
englishMajor.Id = 2;
englishMajor.English = 80;
englishMajor.Math = 90;
englishMajor.Total();
}
}
|
