class circle

$\{$

public:

void print $()$ const;

void setRadius $($double$)$;

void setCenter $($double$,$ double$)$;

void getCenter $($double&$,$ double&$)$;

double getRadius $()$;

double area $()$;

circle $()$;

circle $($double$,$ double, double$)$;

private:

double xCoordinate;

double yCoordinate;

double radius;

$\}$;

class cylinder: public circle

$\{$

public:

void print $()$ const;

void setHeight $($double$)$;

double getHeight $()$;

double volume$()$;

double area $()$;

cylinder $()$;

cylinder $($double$,$ double, double, double$)$;

private:

double height;

$\}$; Cylinder.print$()$ const

$\{$

cout $<<"$x$-$coordinate: $"<<\_\_\_\_\_\_\_\_\_\_\_\_\_<<$ endl;

cout $<<"$y$-$coordinate: $"<<\_\_\_\_\_\_\_\_\_\_\_\_\_<<$ endl;

cout $<<$ "radius: $"<<\_\_\_\_\_\_\_\_\_\_\_\_\_<<$ endl;

$\}$

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_$setRadius$(\_\_\_\_\_\_\_\_$ r$)$

$\{$

if $($r $>=0)$

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_$;

else

radius $=0\mathrm{.}0$;

$\}$

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_$setCenter$(\_\_\_\_\_\_\_\_$ x$,\_\_\_\_\_\_\_\_$ y$)$

$\{$

if $($x $>=0)$

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$;

else

xCoordinate $=0\mathrm{.}0$;

if $($y $>=0)$

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$;

else

yCoordinate $=0\mathrm{.}0$;

$\}$

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_$getCenter$(\_\_\_\_\_\_\_\_$ x$,\_\_\_\_\_\_\_\_$ y$)$

$\{$

x $=\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$;

y $=\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$;

$\}$

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_$getRadius$()$

$\{$

return $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$;

$\}$

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_$area$()$

$\{$

return $3\mathrm{.}1416*\_\_\_\_\_\_\_\_\_\_\_\_\_\_$;

$\}$

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_$circle$()$

$\{$

$\_\_\_\_\_\_\_\_\_\_\_\_\_=0\mathrm{.}0$;

$\_\_\_\_\_\_\_\_\_\_\_\_\_=0\mathrm{.}0$;

$\_\_\_\_\_\_\_\_\_\_\_\_\_=0\mathrm{.}0$;

$\}$

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_$circle$(\_\_\_\_\_\_\_\_$ x$,\_\_\_\_\_\_\_\_$ y$,\_\_\_\_\_\_\_\_$ r$)$

$\{$

$\_\_\_\_\_\_\_\_\_\_($x$,$ y$)$;

$\_\_\_\_\_\_\_\_\_\_($r$)$;

$\}$

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_$print$()$ const

$\{$

circle.$\_\_\_\_\_\_\_\_\_$;

cout $<<$ "height: $"<<\_\_\_\_\_\_\_\_\_\_<<$ endl;

$\}$

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_$setHeight$(\_\_\_\_\_\_\_\_$ h$)$

$\{$

if $($h $>=0)$

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$;

else

height $=0\mathrm{.}0$;

$\}$

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_$getHeight$()$

$\{$

return $\_\_\_\_\_\_\_\_\_\_\_$;

$\}$

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_$volume$()$

$\{$

return $\_\_\_\_\_\_\_\_\_\_\_\_\_\_*$ height;

$\}$

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_$area$()$

$\{$

return $2*\_\_\_\_\_\_\_\_\_\_\_\_\_+2*3\mathrm{.}1416*\_\_\_\_\_\_\_\_\_\_\_*$ height;

$\}$

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_$cylinder$()$

$\{$

height $=0\mathrm{.}0$;

$\}$

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_$cylinder$(\_\_\_\_\_\_\_\_$ x$,\_\_\_\_\_\_\_\_$ y$,\_\_\_\_\_\_\_\_$ r$,\_\_\_\_\_\_\_\_$ h$)$

$\_\_\_\_\_\_\_\_\_\_($x$,$ y$,$ r$)$;

$\{$

setHeight$($h$)$;

$\}$