Примечание к решению:
*Не нужно добавлять к именам слова "дедушка", "бабушка", и т.д.*
package com.javarush.task.task06.task0621;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
/*
Родственные связи кошек
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
Cat cat1 = new Cat("Вася");
Cat cat2 = new Cat("Мурка");
Cat cat3 = new Cat("Котофей",null,cat1);
Cat cat4 = new Cat("Василиса",cat2,null);
Cat cat5 = new Cat("Мурчик",cat4,cat3);
Cat cat6 = new Cat("Пушинка",cat4,cat3);
System.out.println(cat1);
System.out.println(cat2);
System.out.println(cat3);
System.out.println(cat4);
System.out.println(cat5);
System.out.println(cat6);
}
public static class Cat {
private String name;
private Cat parent;
private Cat father;
Cat(String name) {
this.name = name;
}
Cat(String name, Cat parent) {
this.name = name;
this.parent = parent;
}
Cat(String name, Cat parent, Cat father) {
this.name = name;
this.parent = parent;
this.father = father;
}
@Override
public String toString() {
if (parent == null&&father == null)
return "The cat's name is " + name + ", no mother" + ", no father";
else if (parent!=null&&father == null)
return "The cat's name is " + name + ", mother is " + parent.name + ", no father";
else if (parent==null&&father != null)
return "The cat's name is " + name + ", no mother" + ", father is " + father.name;
else
return "The cat's name is " + name + ", mother is " + parent.name + ", father is " + father.name;
}
}
}