Валидотор ругается на 22 строку: Невозможно привести объект типа String к типу "com.javarush.cat.task06.task0621.Solution.Cat"
Я не понимаю😌
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));
String grandfatherName = reader.readLine(); //дедушка
Cat catGrandfather = new Cat(grandfatherName);
String grandmotherName = reader.readLine(); //бабушка
Cat catGrandmother = new Cat(grandmotherName);
String fathername = reader.readLine();//папа
Cat catFather = new Cat(fathername, null, grandfatherName);
String motherName = reader.readLine();//мама
Cat catMother = new Cat(motherName, grandmotherName, null);
String sonName = reader.readLine();//сын
Cat catSon = new Cat(sonName, motherName, fathername);
String daughterName = reader.readLine();//дочь
Cat catDaughter = new Cat(daughterName, motherName, fathername);
System.out.println(catGrandfather);
System.out.println(catGrandmother);
System.out.println(catFather);
System.out.println(catMother);
System.out.println(catSon);
System.out.println(catDaughter);
}
public static class Cat {
private String name;
private Cat mother;
private Cat father;
Cat(String name) {
this.name = name;
}
Cat(String name, Cat mother, Cat father) {
this.name = name;
this.mother = mother;
this.father = father;
}
@Override
public String toString() {
if (mother == null && father == null)
return "The cat's name is " + name + ", no mother, no father ";
if (mother == null && father!= null)
return "The cat's name is " + name + ", no mother, father is " + father.name;
if (mother!= null && father == null)
return "The cat's name is " + name + ", mother is " + mother.name + ", no father ";
if (mother!= null && father!= null)
return "The cat's name is " + name + ", mother is " + mother.name + ", father is " + father.name;
else return null;
}
}
}