home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
The C Users' Group Library 1994 August
/
wc-cdrom-cusersgrouplibrary-1994-08.iso
/
vol_300
/
353_02
/
answers
/
ch07_3c.cpp
< prev
next >
Wrap
C/C++ Source or Header
|
1992-01-19
|
2KB
|
60 lines
// Chapter 7 - Programming exercise 1
#include <iostream.h>
#include "vehicle.h"
#include "car.h"
#include "truck.h"
main()
{
vehicle unicycle;
unicycle.initialize(1, 12.5);
cout << "The unicycle has " <<
unicycle.get_wheels() << " wheel.\n";
cout << "The unicycle's wheel loading is " <<
unicycle.wheel_loading() << " pounds on the single tire.\n";
cout << "The unicycle weighs " <<
unicycle.get_weight() << " pounds.\n\n";
car sedan;
sedan.initialize(4, 3500.0, 5);
cout << "The sedan carries " << sedan.passengers() <<
" passengers.\n";
cout << "The sedan weighs " << sedan.get_weight() << " pounds.\n";
cout << "The sedan's wheel loading is " <<
sedan.wheel_loading() << " pounds per tire.\n\n";
truck semi;
semi.initialize(18, 12500.0);
semi.init_truck(1, 33675.0);
cout << "The semi weighs " << semi.get_weight() << " pounds.\n";
cout << "The semi's efficiency is " <<
100.0 * semi.efficiency() << " percent.\n";
cout << "The trucks total weight is " << semi.total_weight()
<< " pounds.\n";
}
// Result of execution
//
// The unicycle has 1 wheel.
// The unicycle's wheel loading is 12.5 pounds on the single tire.
// The unicycle weighs 12.5 pounds.
//
// The bicycle has 2 wheels.
// The bicycle's wheel loading is 19 pounds per tire.
// The bicycle weighs 38 pounds.
//
// The sedan carries 5 passengers.
// The sedan weighs 3500 pounds.
// The sedan's wheel loading is 875 pounds per tire.
//
// The semi weighs 12500 pounds.
// The semi's efficiency is 72.929072 percent.
// The trucks total weight is 46175 pounds.