Не возвращает значение метод public String toString()

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 oldFatherName = reader.readLine();
        Cat oldFather = new Cat(oldFatherName);

        String oldMotherName = reader.readLine();
        Cat oldMother = new Cat(oldMotherName);

        String fatherName = reader.readLine();
        Cat father = new Cat(fatherName);

        String motherName = reader.readLine();
        Cat catMother = new Cat(motherName);

        String sonName = reader.readLine();
        Cat son = new Cat(sonName);

        String daughterName = reader.readLine();
        Cat catDaughter = new Cat(daughterName);

        System.out.println(oldFather);
        System.out.println(oldMother);
        System.out.println(father);
        System.out.println(catMother);
        System.out.println(son);
        System.out.println(catDaughter);
    }

    public static class Cat {
        private String name;
        private Cat parent1;
        private Cat parent2;

        Cat(String name) {
            this.name = name;
        }

        Cat(String name, Cat parent1, Cat parent2) {
            this.name = name;
            this.parent1 = parent1;
            this.parent2 = parent2;
        }


        //@Override
        public String getName() {
            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 + ", mother is " + parent1.name + ", father is " + parent2.name;

            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";
        }
    }
}