class Box
{
// Instance Variables
double length ,ipsos ;
double width ,mikos ;
double height ,platos;
// Constructors
public Box ( double side )
{
width = side ;
height = side ;
length = side ;
}
public Box ( double x , double y , double z)
{
platos = y ;
ipsos = z;
mikos = x ;
}
// Methods
double calculate(double praksi)
{
return 2 * ( width * height +
width * length …class Box
{
// Instance Variables
double length ,ipsos ;
double width ,mikos ;
double height ,platos;
// Constructors
public Box ( double side )
{
width = side ;
height = side ;
length = side ;
}
public Box ( double x , double y , double z)
{
platos = y ;
ipsos = z;
mikos = x ;
}
// Methods
double calculate(double praksi)
{
return 2 * ( width * height +
width * length …