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Source Code
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#include <iostream>
using namespace std;
class Distance {
private:
int feet; // 0 to infinite
int inches; // 0 to 12
public:
// required constructors
Distance() {
feet = 0;
inches = 0;
}
Distance(int f, int i) {
feet = f;
inches = i;
}
// method to display distance
void displayDistance() {
cout << "F: " << feet << " I:" << inches <<endl;
}
// overloaded minus (-) operator
Distance operator++ () {
feet = feet+1;
inches = inches+1;
return Distance(feet, inches);
}
Distance operator++(int);
};
Distance Distance::operator++(int)
{
Distance ret = *this; // save the current value
++*this; // use prefix ++
return ret; // return the saved state
}
int main() {
Distance D1(11, 10), D2(-5, 11);
++D1; // increment by 1
D1.displayDistance(); // display D1
++D2; // increment by 1
D2.displayDistance(); // display D2
(D2++).displayDistance(); //prints the old value
D2.displayDistance();//prints the new value
return 0;
}
Compiling Program...
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