пробовал и через if, и так и сяк, результат выдает верно, а валидатор победить не могу никак
package com.javarush.task.task14.task1415;
import java.util.ArrayList;
import java.util.List;
/*
Клининговый центр
*/
public class Solution {
public static void main(String[] args) {
List<Apartment> apartments = new ArrayList<Apartment>();
apartments.add(new Apt1Room());
apartments.add(new Apt2Room());
apartments.add(new Apt3Room());
cleanAllApartments(apartments);
}
public static void cleanAllApartments(List<Apartment> apartments) {
for ( Apartment item:apartments ) {item.clean();
}
}
static interface Apartment {
void clean();
}
static class Apt1Room implements Apartment {
public void clean() { clean1Room(); }
static void clean1Room() {
System.out.println("1 room is cleaned");
}
}
static class Apt2Room implements Apartment {
public void clean() { clean2Rooms(); }
static void clean2Rooms() {
System.out.println("2 rooms are cleaned");
}
}
static class Apt3Room implements Apartment {
public void clean() { clean3Rooms(); }
static void clean3Rooms() {
System.out.println("3 rooms are cleaned");
}
}
}