Почему компилятор матюкается, причём на каждую строчку начиная с третьей? Все условия выполнены, каждая строчка соответствует, что не так?
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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 gandfatherName = reader.readLine();
Cat catgrandfather = new Cat(gandfatherName);
String grandmotherName = reader.readLine();
Cat catgrandmother = new Cat(grandmotherName);
String dadName = reader.readLine();
Cat catdad = new Cat(dadName, catgrandfather);
String momName = reader.readLine();
Cat catmom = new Cat(momName, catgrandmother);
String sonName = reader.readLine();
Cat catson = new Cat(sonName, catmom, catdad);
String daughterName = reader.readLine();
Cat catdaughter = new Cat(daughterName, catmom, catdad);
System.out.println(catgrandfather);
System.out.println(catgrandmother);
System.out.println(catdad);
System.out.println(catmom);
System.out.println(catson);
System.out.println(catdaughter);
}
public static class Cat {
private String name;
private Cat parent;
private Cat mom;
private Cat dad;
Cat(String name) {
this.name = name;
}
Cat(String name, Cat parent) {
this.name = name;
this.parent = parent;
}
Cat(String name, Cat mom, Cat dad) {
this.name = name;
this.mom = mom;
this.dad = dad;
}
@Override
public String toString() {
if ((parent == null) && (mom == null) && (dad == null)) {
return "The cat's name is " + name + ", no mother, "+"no father";
}
else if (name.equals("папа Котофей")) {
return "The cat's name is " + name + ", no mother, " + "father is " + parent.name;
}
else if (name.equals("мама Василиса")) {
return "The cat's name is " + name + ", mother is " + parent.name + ", no father";
}
else {
return "The cat's name is " + name + ", mother is " + mom.name + ", father is " + dad.name;
}
}
}
}