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- // Chapter 6 - Program 3
- #include <iostream.h>
-
- class box {
- int length;
- int width;
- int *point;
- public:
- box(void); //Constructor
- void set(int new_length, int new_width, int stored_value);
- int get_area(void) {return length * width;} // Inline
- int get_value(void) {return *point;} // Inline
- ~box(); //Destructor
- };
-
-
- box::box(void) //Constructor implementation
- {
- length = 8;
- width = 8;
- point = new int;
- *point = 112;
- }
-
-
- // This method will set a box size to the input parameters
- void box::set(int new_length, int new_width, int stored_value)
- {
- length = new_length;
- width = new_width;
- *point = stored_value;
- }
-
-
- box::~box(void) //Destructor
- {
- length = 0;
- width = 0;
- delete point;
- }
-
-
- main()
- {
- box small, medium, large; //Three boxes to work with
-
- small.set(5, 7, 177);
- large.set(15, 20, 999);
-
- cout << "The small box area is " << small.get_area() << "\n";
- cout << "The medium box area is " << medium.get_area() << "\n";
- cout << "The large box area is " << large.get_area() << "\n";
- cout << "The small box stored value is " <<
- small.get_value() << "\n";
- cout << "The medium box stored value is " <<
- medium.get_value() << "\n";
- cout << "The large box stored value is " <<
- large.get_value() << "\n";
- }
-
-
-
-
- // Result of execution
- //
- // The small box area is 35
- // The medium box area is 64
- // The large box area is 300
- // The small box stored value is 177
- // The medium box stored value is 112
- // The large box stored value is 999
-
-