fun.cpp

#include <iostream>
using namespace std;
class Line
{
public:
    void setLength(double len);
    double getLength(void);
    Line(); // This is the constructor
    ~Line();
private:
    double length;
};

// Member functions definitions including constructor
Line::Line(void)
{
    cout << "Object is being created" << endl;
}
Line::~Line(void)
{
    cout << "Object is being deleted" << endl;
}
void Line::setLength(double len)
{
    length = len;
}

double Line::getLength(void)
{
    return length;
}
// Main function for the program
int main()
{
    Line line;
    // set line length
    line.setLength(6.0);
    cout << "Length of line: " << line.getLength() << endl;
    return 0;
}