void rectangleType::print$()$ const

$\{$

cout $$ "Length $="$ length

; Width $="$ width;

$\}$

rectangleType::rectangleType$($double $1,$ double w$)$

$\{$

setDimension$($l$,$ w$)$;

$\}$

rectangleType::rectangleType$()$

$\{$

length $=0$;

width $=0$;

$\}$derived from the class rectangleType in the class boxType

class rectangleType:

class boxType: public rectangleType

$\{$

public:

void setDimension$($double l$,$ double w$,$ double h$)$;

$//$Function to set the length, width, and height

$//$of the box.

$//$Postcondition: length $=1$; width $=w$; height $=h$;

double getHeight$()$ const;

$//$Function to return the height of the box.

$//$Postcondition: The value of height is returned.

double area$()$ const;

$//$Function to return the surface area of the box.

$//$Postcondition: The surface area of the box is

$//$ calculated and returned.

double volume$()$ const;

$//$Function to return the volume of the box.

$//$Postcondition: The volume of the box is

$\frac{\frac{?}{?}}{?}$ calculated and returned.

void print$()$ const;

$//$Function to output the length, width, and height of a box.

boxType$()$;

$//$Default constructor

$//$Postcondition: length $=0$; width $=0$; height $=0$;

boxType$($double $1,$ double w$,$ double h$)$;

$//$Constructor with parameters

$//$Postcondition: length $=1$; width $=w$; height $=h$;

private:

double height;

write the definition of the constructor of the class boxType.:rectangleType$($l$,$ w$)$

$\{$

if $($h$>=0)$

height $=$ h;

else

height $=0$;

$\}$A$.$ The program is a continuation of the previous project. redefine a public member function

of a base class in the derived class, the corresponding function in the derived class must

have the same name, number, and types of parameters.$-$height: double

$+$setDimension$($double$,$ double, double$)$: vold

$+$getHeight$()$ const: double

$+$area$()$ const: double

$+$volume$()$ const: double

$+$print$()$ const: yoid

$+$boxType$()$

$+$boxType$($double$,$ double, double$)$Define the member functions of the class rectangleType.$\{$

if $($l$>=0)$

length $=1$;

else

length $=0$;

if $($ w $>=0)$

width $=$ w;

else

width $=0$;

$\}$

double rectangleType::getLength$()$ const

$\{$

return length;

$\}$

double rectangleType::getWidth$()$ const

$\{$

return width;

$\}$

double rectangleType::area$()$ const

$\{$

return length $*$ width;

$\}$

double rectangleType::perimeter$()$ const

$\{$

return $2*($length $+$ width$)$;