home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Precision Software Appli…tions Silver Collection 1
/
Precision Software Applications Silver Collection Volume One (PSM) (1993).iso
/
tutor
/
cptuts22.arj
/
VIRTUAL4.CPP
< prev
next >
Wrap
C/C++ Source or Header
|
1992-01-20
|
1KB
|
60 lines
// Chapter 10 - Program 4
#include <iostream.h>
class vehicle {
int wheels;
float weight;
public:
virtual void message(void) { cout << "Vehicle message\n";}
};
class car : public vehicle {
int passenger_load;
public:
void message(void) { cout << "Car message\n";}
};
class truck : public vehicle {
int passenger_load;
float payload;
public:
int passengers(void) {return passenger_load;}
};
class boat : public vehicle {
int passenger_load;
public:
int passengers(void) {return passenger_load;}
void message(void) { cout << "Boat message\n";}
};
main()
{
vehicle *unicycle;
car *sedan;
truck *semi;
boat *sailboat;
unicycle = new vehicle;
unicycle->message();
sedan = new car;
sedan->message();
semi = new truck;
semi->message();
sailboat = new boat;
sailboat->message();
}
// Result of execution
//
// Vehicle message
// Car message
// Vehicle message
// Boat message