home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Technotools
/
Technotools (Chestnut CD-ROM)(1993).ISO
/
lang_c
/
cpptut22
/
objintpt.cpp
< prev
next >
Wrap
C/C++ Source or Header
|
1992-01-19
|
2KB
|
73 lines
// 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