Constructors, adds objects using member function - C++ Class

C++ examples for Class:Constructor

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Description

Constructors, adds objects using member function

Demo Code

#include <iostream>
using namespace std;
class Measure/*from www  .j a  v a  2 s  .c o m*/
{
private:
  int feet;
  float inches;
public:
  Measure() : feet(0), inches(0.0)
  {  }
  Measure(int ft, float in) : feet(ft), inches(in)
  {  }
  void getdist()               //get length from user
  {
    cout << "\nEnter feet: ";  cin >> feet;
    cout << "Enter inches: ";  cin >> inches;
  }
  void showdist()
  {
    cout << feet << "\'-" << inches << '\"';
  }
  void add_dist(Measure, Measure) const;    //declaration
};
//add lengths d2 and d3
void Measure::add_dist(Measure d2, Measure d3) const
{
  int inches = d2.inches + d3.inches; //add the inches
  int feet = 0;                       //(for possible carry)
  if (inches >= 12.0)              //if total exceeds 12.0,
  {                            //then decrease inches
    inches -= 12.0;              //by 12.0 and
    feet++;                      //increase feet
  }                            //by 1
  feet += d2.feet + d3.feet;      //add the feet
}
int main()
{
  Measure dist1, dist3;          //define two lengths
  Measure dist2(11, 6.25);       //define and initialize dist2
  dist1.getdist();                //get dist1 from user
  dist3.add_dist(dist1, dist2);   //dist3 = dist1 + dist2
  cout << "\ndist1 = ";  dist1.showdist();
  cout << "\ndist2 = ";  dist2.showdist();
  cout << "\ndist3 = ";  dist3.showdist();
  cout << endl;
  return 0;
}

Result


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