Java Reference
In-Depth Information
else
length = 0;
if
(w >= 0)
width = w;
else
width = 0;
}
public double
getLength()
{
return
length;
}
public double
getWidth()
{
return
width;
}
public double
area()
{
return
length * width;
}
public double
perimeter()
{
return
2 * (length + width);
}
public
String toString()
{
return
("Length = " + length
+ "; Width = " + width + "\n"
+ "Area = " + area());
}
}
Note that the definition of the
class
RectangleFigure
is similar to the definition
of the
class
Rectangle
given previously. The method
toString
of the
class
RectangleFigure
, in addition to returning the length and width, also prints the area
of the rectangle.
public class
BoxFigure
extends
RectangleFigure
{
private double
height;
public
BoxFigure()
{
super
();
height = 0;
}
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