com.javarush.task.task15.task1505

Solution.java

/* 
ООП - исправь ошибки в наследовании
*/

public class Solution {
    public static interface Alive {
        Object containsBones();
    }

    public static class BodyPart implements Alive {
        private String name;

        public BodyPart(String name) {
            this.name = name;
        }

        public Object containsBones() {
            return "Yes";
        }

        public String toString() {
       if( containsBones().equals("Yes")) return name + " содержит кости";

            return name + " не содержит кости";
        }
    }

    public static class Finger extends BodyPart {
        private boolean isArtificial;

        public Finger(String name, boolean isArtificial) {
            super(name);
            this.isArtificial = isArtificial;
        }

        public Object containsBones() {
            if((super.containsBones().equals("Yes"))&& !isArtificial) return "Yes";
            return "No";
        }
    }

    public static void main(String[] args) {
        printlnFingers();
        printlnBodyParts();
        printlnAlives();
    }

    private static void printlnAlives() {
        System.out.println(new BodyPart("Рука").containsBones());
    }

    private static void printlnBodyParts() {
        List<BodyPart> bodyParts = new ArrayList<BodyPart>(5);
        bodyParts.add(new BodyPart("Рука"));
        bodyParts.add(new BodyPart("Нога"));
        bodyParts.add(new BodyPart("Голова"));
        bodyParts.add(new BodyPart("Тело"));
        System.out.println(bodyParts.toString());
    }

    private static void printlnFingers() {
        List<Finger> fingers = new ArrayList<Finger>(5);
        fingers.add(new Finger("Большой", true));
        fingers.add(new Finger("Указательный", true));
        fingers.add(new Finger("Средний", true));
        fingers.add(new Finger("Безымянный", false));
        fingers.add(new Finger("Мизинец", true));
        System.out.println(fingers.toString());
    }
}