一道C#题目,急求答案!
一道C#题目,急求答案!
日期:2011-05-31 19:31:50 人气:1
public class Ball
{
double _radius;
public Ball(double radius)
{
_radius=radius ;
}
public double GetCover() //面积
{
return 4 * Math.PI * _radius * _radius;
}
public double GetBulk() /