Почему не проходит проверку 4 строки? Все верно выводится
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 GrandpaName = reader.readLine();
Cat catGrandpa = new Cat(GrandpaName);
String GrandmaName = reader.readLine();
Cat catGrandma = new Cat(GrandmaName);
String fatherName = reader.readLine();
Cat catFather = new Cat(fatherName, catGrandpa);
String motherName = reader.readLine();
Cat catMother = new Cat(motherName, catGrandma);
String sonName = reader.readLine();
Cat catSon = new Cat(sonName, catFather, catMother);
String daughterName = reader.readLine();
Cat catDaughter = new Cat(daughterName, catFather, catMother);
System.out.println(catGrandpa);
System.out.println(catGrandma);
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 parentm;
private Cat parentf;
private Cat parent;
Cat(String name) {
this.name = name;
}
Cat(String name, Cat parent) {
char ch = name.charAt(0);
if (ch == 'м') {
this.parentm = parent;
} else {
this.parentf = parent;
}
this.name = name;
}
Cat(String name, Cat parentf, Cat parentm) {
this.name = name;
this.parentm = parentm;
this.parentf = parentf;
}
@Override
public String toString() {
if (parentm == null && parentf == null) {
return "Cat name is " + name + ", no mother, no father";
} else if (parentf == null && parentm != null) {
return "Cat name is " + name + ", mother is " + parentm.name + ", no father";
} else if (parentf != null && parentm == null) {
return "Cat name is " + name + ", no mother, father is " + parentf.name;
} else {
return "Cat name is " + name + ", mother is " + parentm.name + ", father is " + parentf.name;
}
}
}
}