Language Ccpp Cppref Examples Inherit.cc

/ ************************************************************************
 *
 * Purpose:
 * Author: M J Leslie
 * Date: 26-Oct-98
 *
 ************************************************************************/
#include <stdlib.h>
#include <iostream.h> // Instead of stdio.h
// ... The base class 'Fabric'
// ... is no different to normal.
class Fabric
{
public:
 Fabric() {};
 ~Fabric(){};
 SetSize(int x, int y)
 {
 Length = x;
 Width = y;
 }
 SetColour(char *C)
 {
 strcpy(Colour, C);
 }
private:
 int Length;
 int Width;
 char Colour[20];
};
// ... The derived class 'Tent'
// ... names 'Fabric' as a base class.
class Tent : public Fabric
{
public:
 Tent() {};
 ~Tent() {};
 SetNumOfPoles(int P)
 {
 Poles = P;
 }
private:
 int Poles;
};
// ... The derived class 'Clothes' also
// ... names 'Fabric' as a base class.
class Clothes : public Fabric
{
 public:
 Clothes() {};
 ~Clothes() {};
 
 void SetNumOfButtons(int B)
 {
 Buttons = B;
 };
 
 int GetNumOfButtons(void)
 {
 return (Buttons);
 };
 
 private:
 int Buttons;
};
// ... Function definitions.
void Init(Fabric &Material);
main()
{ 
 Tent Frame;
 Clothes Jacket;
 // ... Initialise using the derived methods.
 
 Init(Frame);
 Init(Jacket);
 // .. Initialise using the unique methods.
 
 Frame.SetNumOfPoles(5);
 Jacket.SetNumOfButtons(2);
}
void Init(Fabric &Material)
{
 Material.SetColour("Red");
 Material.SetSize (10, 20);
}

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