Hello, Olufowobi.
Your code:
>I need to achieve class constant for integral type
>________________________________
>
>class Ball{
>static const int radius = 10;
>};
>
>I have tried,
>class Ball
>{
>const static double radius ;
>
>};
>Ball::radius = 10.0;
>
>________________________________
Answer:
//==============================================================================
#include <iostream.h>
#pragma argsused //pragma of Borland C++ Builder 5.
//==============================================================================
class Ball
{
const double radius;
const static double circle;
public:
Ball():radius(12.3){} //Initialise value 'radius' in construtor
void print();
};
//==============================================================================
const double Ball::circle=1.2;
//==============================================================================
void Ball::print()
{
cout << "radius = " << Ball::radius << endl;
cout << "circle = " << Ball::circle << endl;
}
//==============================================================================
int main(int argc, char* argv[])
{
Ball ball;
ball.print();
return 0;
}
//==============================================================================
//Screen output:
//D:\SWSETUP>ball
//radius = 12.3
//circle = 1.2
//D:\SWSETUP>
//==============================================================================
--
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