class Sphere {
static final double PI=3.14;
static int count = 0;
// поля
double radius;
double xCenter;
double yCenter;
double zCenter;
//конструктор
Sphere (double theRadius, double x, double y, double z)
{
radius = theRadius;
xCenter = x;
yCenter = y;
zCenter = z;
++ count;
}
//методы
static int getCount ()
{
… return count
}
double volume ()
{
return 4.0/3.0*PI*radius*radius;
}
…
}
1) Sphere ball 2) ball = new Sphere (10.0, 1.0, 1.0, 1.0); 3) Sphere ball2=new Sphere (10.0, 1.0, 1.0,1.0); 4) Sphere ball3=new Sphere (20.0, 2.2, 3.3,4.4); 5) Sphere myBall = ball2; 6) ball3 = null; |