Выводит так, как надо, но валидация не пускает(....Похоже что-то неявное мешает, может код не совсем рабочий?
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();
String grandMotherName = reader.readLine();
String fatherName = reader.readLine();
String motherName = reader.readLine();
String sonName = reader.readLine();
String daughterName = reader.readLine();
Cat grandFather= new Cat(grandFatherName);
Cat grandMother = new Cat(grandMotherName);
Cat father = new Cat(fatherName, null, grandFather);
Cat mother = new Cat(motherName, grandMother,null);
Cat son = new Cat(sonName,mother,father);
Cat daughter = new Cat(daughterName, mother,father);
System.out.println(grandFather);
System.out.println(grandMother);
System.out.println(father);
System.out.println(mother);
System.out.println(son);
System.out.println(daughter);
}
public static class Cat {
private String name;
private Cat mother;
private Cat father;
private Cat son;
private Cat daughter;
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 && this.name.contains("дедушка"))
return "The cat's name is " + name + ", no mother, no father";
else if (mother == null && father==null && this.name.contains("бабушка"))
return "The cat's name is " + name + ", no mother, no father";
else if(mother==null && father.name.contains("дедушка") && this.name.contains("папа"))
return "The cat's name is " + name + ", no mother, father is "+ father.name;
else if(father==null && mother.name.contains("бабушка") && this.name.contains("мама"))
return "The cat's name is " + name + ", mother is "+mother.name+", no father";
else if(father.name.contains("папа") && mother.name.contains("мама") && this.name.contains("сын"))
return "The cat's name is " + name + ", mother is "+ mother.name+", father is "+father.name;
else if(father.name.contains("папа") && mother.name.contains("мама") && this.name.contains("дочь"))
return "The cat's name is " + name + ", mother is "+ mother.name+", father is "+father.name;
else return null;
}
}
}