Пришла в тупик.
не проходят мама, сын и дочь
не могу понять какое я должна дать условие для матери, если конструктор состоит из двух параментров. -
Cat(String name, Cat grandparent)
как я должна дать понять программе что в одном моменте это дедушка а в другом бабушка??? не могу догнать
Дайте пожалуйста комментарии
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();
Cat catGrandfather = new Cat(grandfatherName);
String grandmotherName = reader.readLine();
Cat catGrandmother = new Cat(grandmotherName);
String fatherName = reader.readLine();
Cat catFather = new Cat(fatherName, catGrandfather);
String motherName = reader.readLine();
Cat catMother = new Cat(motherName, catGrandmother);
String sanName = reader.readLine();
Cat catSan = new Cat(sanName, catMother, catFather);
String daughterName = reader.readLine();
Cat catDaughter = new Cat(daughterName, catMother, catFather);
System.out.println(catGrandfather);
System.out.println(catGrandmother);
System.out.println(catFather);
System.out.println(catMother);
System.out.println(catSan);
System.out.println(catDaughter);
}
public static class Cat {
private String name;
private Cat grandparent;
private Cat mother;
private Cat father;
Cat(String name) {
this.name = name;
}
Cat(String name, Cat grandparent) {
this.name = name;
this.grandparent = grandparent;
}
Cat(String name, Cat father, Cat mother) {
this.name = name;
this.father = father;
this.mother = mother;
}
@Override
public String toString() {
if (grandparent == null )
return "The cat's name is " + name + ", no mother, no father ";
if (mother == null && father== null )
return "The cat's name is " + name + ", no mother, father is " + grandparent.name;
else
return "The cat's name is " + name + ", mother is " + mother.name + " , father is " + father.name;
}
}
}