вес твари

abstract public class SomeZooWeight {
    int addend;
    int multiplier;
    double weight;

    public SomeZooWeight (int addend,int multiplier){
        this.addend = addend;
        this.multiplier = multiplier;
        weight = addend + multiplier * Math.random();
    }
}

public class Beast extends SomeZooWeight {
int zero = 0;
int one = 1;
    public Beast(int zero, int one){
        super(zero,one);
      //  weight = zero + one * Math.random();

    }
        public void voice() {

            System.out.println( "Yell" + " " + "My weight is:  " + weight + " gramms");
        }

        public void eat() {

        }

        public void move() {

        }