Protected: Protected access modifier is similar to that of private access modifiers, the difference is that the class member declared as Protected are inaccessible outside the class but they can be accessed by any subclass(derived class) of that class.
#include<iostream.h>
#include<conio.h>
class shape
{
protected:
int width,height;
public:
void enterwidth(int w)
{
width=w;
}
void enterheight(int h)
{
height=h;
}
};
class rectangle:public shape
{
public:
int area()
{
return (width*height);
}
};
void main()
{
clrscr();
rectangle r1;
r1.enterwidth(5);
r1.enterheight(4);
cout<<"Area of Rectangle is:"<<r1.area();
getch();
}
Area of Rectangle is:20