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C/C++ Source Codes

class variable can also be CONSTANT

//A class variable can also be CONSTANT. That's just like static,
//except it is allocated a value inside the class declaration and
//that value may not be modified :
#include <iostream.h>
class vector
double x;
double y;
const double pi = 3.1415927;
vector (double a = 0, double b = 0)
x = a;
y = b;
double cilinder_volume ()
return x * x / 4 * pi * y;
40 of 56 12.03.99 01:19
C++ Tutorial file:///C'/Eigene Dateien/Manualz/not added/C++ Tutorial for C Users/cppcen.htm
void main(void)
cout << "The value of pi : " << vector::pi << endl << endl;
vector k (3, 4);
cout << "Result : " << k.cilinder_volume() << endl;

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