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  1. // Ex7_04.cpp
  2. // Using a constructor
  3. #include <iostream>
  4. using std::cout;
  5. using std::endl;
  6. class CBox                           // Class definition at global scope
  7. {
  8. public:
  9.   double m_Length;             // Length of a box in inches
  10.   double m_Width;              // Width of a box in inches
  11.   double m_Height;             // Height of a box in inches
  12.  
  13.   // Constructor definition
  14.   CBox(double lv, double wv, double hv)
  15.   {
  16.     cout << "Constructor called for CBox(" << lv << ','
  17.          << wv << ',' << hv << ")." << endl;
  18.     m_Length = lv;                   // Set values of
  19.     m_Width = wv;                    // data members
  20.     m_Height = hv;
  21.   }
  22.  
  23.   // Function to calculate the volume of a box
  24.   double Volume()
  25.   {
  26.     return m_Length* m_Width* m_Height;
  27.   }
  28.  
  29. };
  30.  
  31. int main()
  32. {
  33.   CBox box1( 78.0, 24.0, 18.0 );          // Declare and initialize box1
  34.   CBox cigarBox( 8.0, 5.0, 1.0 );         // Declare and initialize cigarBox
  35.  
  36.   cout << "Volume of box1 = " << box1.Volume() << endl;
  37.   cout << "Volume of cigarBox = " << cigarBox.Volume() << endl;
  38.   return 0;
  39. }
Success #stdin #stdout 0s 5304KB
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stdin
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Standard input is empty
stdout
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Constructor called for CBox(78,24,18).
Constructor called for CBox(8,5,1).
Volume of box1 = 33696
Volume of cigarBox = 40
https://ideone.com/nP37y4
language:
C++ (gcc 8.3)
created:
13 days ago
visibility:
public

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