public class Point
{
public double X { get; set; }
public double Y { get; set; }
public virtual double Area { get; set; }
public virtual double Print()
{
return Area;
}
}
public class Circle : Point
{
public double Radius { get; set; }
public override double Area { get; set; }
public override double Print()
{
return Area;
}
}
[TestClass]
public class TestClass
{
[TestMethod]
public void Test()
{
Circle circle=new Circle();
}
}