#include <iostream> using namespace std; class Line { public: void setLength( double len ); double getLength( void ); Line(double len); // This is the constructor private: double length; }; // Member functions definitions including constructor Line::Line( double len) { cout << "Object is being created, length = " << len << endl; length = len; } void Line::setLength( double len ) { length = len; } double Line::getLength( void ) { return length; } // Main function for the program int main() { Line line(10.0); // get initially set length. cout << "Length of line : " << line.getLength() <<endl; // set line length again line.setLength(6.0); cout << "Length of line : " << line.getLength() <<endl; return 0; }