package com company interface Alive boolean isAlive abstract class Uni

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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);
}
}
}