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Computing with Data

elgeish
33.6K views
Previous: Constructors - Part I Next: The Destructor

Constructors - Part II

#include <iostream>
using namespace std;
class Point {
private:
// fields are accessible only to methods belonging to point
double x;
double y;
public:
// empty constructor, called by the statement: Point p;
Point() {}
// constructor accepting two arguments, called by a
// statement such as: Point p(1, 2);
Point(double a_x, double a_y) : x(a_x), y(a_y) {}
// get value of x, const implies that the method does not
// modify the object
double get_x() const {
return x;
}
// get value of y, const implies that the method does not
// modify the object
double get_y() const {
return y;
}
};
int main() {
Point p(2,-2); // constructor with two argument is called
cout << '(' << p.get_x() << ',' << p.get_y() << ')' << endl;
return 0;
}
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