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}
// Використання оператора super()
class BoxWeight extends Box {
double weight;
BoxWeight(BoxWeight ob) {
super(ob);
weight = ob.weight;
}
BoxWeight(double w, double h, double d, double m) {
super(w, h, d);
weight = m;
}
BoxWeight() {
super();
weight = -1; // Неініціалізовано вагу
}
BoxWeight(double len, double m) {
super(len);
weight = m;
}
}
public class Main {
public static void main (String args[]) {
BoxWeight mybox1 = new BoxWeight(10, 20, 15, 40.0);
BoxWeight mybox2 = new BoxWeight();
BoxWeight mycube = new BoxWeight(5, 10.5);
BoxWeight myclone = new BoxWeight(mybox1);
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