1c:\documents and settings\usman.younis\my documents... studio 2010\Projects\Classes\Classes\Classes.cpp
# include < iostream >
using namespace std ;
float fuel _ price = 73 . 4 ;
class Car
{
private :
float fuel ;
float mileage ;
float distance ;
public :
Car () : fuel ( 0 . 0 ) , mileage ( 0 . 0 ) , distance ( 0 . 0 ) { }
~ Car () { }
void re _ fuel ( float a ) ;
void check _ fuel () ;
void set _ mileage ( float b ) ;
void drive ( float dist ) ;
void check _ distance () ;
void dump _ fuel ( Car ) ;
};
void Car :: re _ fuel ( float a )
{
fuel = a / fuel _ price ;
}
void Car :: check _ fuel ()
{
cout << " Your car has : " << fuel << " litres left " << endl ;
}
void Car :: set _ mileage ( float b )
{
mileage = b ;
}
void Car :: drive ( float dist )
{
if (( dist / mileage ) > fuel )
{
cout << " You need to re ‐ fuel your car " << endl ;
return ;
}
fuel ‐= ( dist / mileage ) ;
distance += dist ;
}
void Car :: dump _ fuel ( Car a )
{
fuel += a . fuel ;
a . fuel += fuel ;
}
void Car :: check _ distance ()
{
cout << " Your car has travelled : " << distance << " km " << endl ;
}
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