не принимает 3-6 строки
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 grandMatherName = reader.readLine();
Cat catGrandMother = new Cat(grandMatherName, null, null);
String grandFatherName = reader.readLine();
Cat catGrandFather = new Cat(grandFatherName, null, null);
String motherName = reader.readLine();
Cat catMother = new Cat(motherName, catGrandMother, null);
String fatherName = reader.readLine();
Cat catFather = new Cat(fatherName, null, catGrandFather);
String daughterName = reader.readLine();
Cat catDaughter = new Cat(daughterName, catMother, catFather);
String sonName = reader.readLine();
Cat catSon = new Cat(sonName, catMother, catFather);
System.out.println(catGrandMother);
System.out.println(catGrandFather);
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 parent1;
private Cat parent2;
Cat(String name, Cat parent1, Cat parent2) {
this.name = name;
this.parent1 = parent1;
this.parent2 = parent2;
}
@Override
public String toString() {
if (parent1 == null && parent2==null)
return "The cat's name is "+name+", no mother, no father ";
else if (parent1 == null && parent2!=null)
return "The cat's name is "+name+", no mother, father is "+parent2.name;
else if (parent1 != null && parent2==null)
return "The cat's name is "+name+", mother is "+parent1.name+", no father";
else if (parent1 != null && parent2 != null)
return "The cat's name is "+name+", mother is "+parent1.name+", father is "+parent2.name;
return "";
}
}
}