class and pointer
how to declare pointer for the derived class Perimeter in main and give an output?
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#include <iostream>
using namespace std;
class Shape
{
public:
void setWidth(int w)
{
width = w;
}
void setHeight(int h)
{
height = h;
}
void print()
{
int m;
m= width*height;
cout<"Area : "<m<<endl;
}
protected:
int width;
int height;
};
class Perimeter:public Shape
{
public:
void print()
{
int n;
n=2*width + 2*height;
cout<<"Parameter :"<<n<<endl;
}
}
int main()
{
Shape *p;
Shape q;
p= &q;
p->setWidth(5);
p->setHeight(4);
p->print();
system("pause");
return 0;
}
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Last edited on
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