package com company interface Alive boolean isAlive abstract class Uni

package com.company;

interface Alive {
    boolean isAlive();
}

abstract class Unit implements Alive {
    String fio;
    int hp;

    abstract boolean isActive();

    public String getFio() {
        return fio;
    }

    @Override
    public String toString() {
        return isActive() + " " + isAlive();
    }
}

class Human extends Unit {

    @Override
    public boolean isAlive() {
        return true;
    }

    @Override
    boolean isActive() {
        return true;
    }
}

class Undead extends Unit {


    @Override
    public boolean isAlive() {
        return false;
    }

    @Override
    boolean isActive() {
        return false;
    }
}

public class Main {

    public static void main(String[] args) {
        Unit[] units = new Unit[3];
        units[0] = new Human();
        units[1] = new Undead();
        units[2] = new Unit() {
            @Override
            boolean isActive() {
                return true;
            }

            @Override
            public boolean isAlive() {
                return false;
            }
        };

        for (Unit u : units) {
            System.out.println(u);
        }

    }
}