rect问题望前辈指教

来源：百度知道 编辑：UC知道 时间：2024/07/07 13:05:22
class Rect
{
private double a,b;
public void Rect(double Len,double Width)
{
a=Len;
b=Width;
a*b=Area;
}
public void Display
{
System.out.println("长=a";"宽="b;"面积="a*b);
}
}
public class UseRect
{
public static void main (string arg[])
{
Rect c=new Rect();
c.Rect(8 ,9 ,8*9);
c.display();
}
}

class Rect
{
private double a,b;
public void Rect(double Len,double Width)
{
a=Len;
b=Width;
a*b=Area;
}
public void Display
{
System.out.println("长=a";"宽="b;"面积="a*b);
}
}
public class UseRect
{
public static void main (string arg[])
{
Rect c=new Rect();
c.Rect(8 ,9 ,8*9);
c.display();
}
}