Подскажите пожалуйста весь день сижу за лекциями
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 grandMother = reader.readLine();
Cat catGrandMother = new Cat(grandMother);
String fatherName = reader.readLine();
Cat catFather = new Cat(fatherName, null, catGrandPa);
String motherName = reader.readLine();
Cat catMother = new Cat(motherName, catGrandMother ,null);
String sonName = reader.readLine();
Cat catSon = new Cat(sonName, catMother,catFather);
String daughterName = reader.readLine();
Cat catDaughter = new Cat(daughterName, catMother,catFather);
System.out.println(catGrandPa);
System.out.println(catGrandMother);
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 parent;
Cat(String name) {
this.name = name;
}
Cat(String name, Cat mother, Cat father) {
this.name = name;
this.cat.mother = mother;
this.cat.father = father;
}
@Override
public String toString() {
if (mother != null && father!=null)
return "The cat's name is "+ null +", mother is "+ mother.name +" , no father " + father.name;
else if(mother!=null && father==null)
return "The cat's name is " + name + ", mother is " + mother.name +" , no father" ;
else if(mother==null && father!=null)
return "The cat's name is " + name + ", no mother"+ " , father name " + father.name;
else
return "The cat's name is " + name + ", no mother" + " , no father";
}
}
}