код перестраивал, конструировал, перетасовывал наверно уже тысячу раз, но Папа и Мама никак не выходят аместе, только по одиночке.
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, null, null);
String grandmotherName = reader.readLine();
Cat catGrandmother = new Cat(grandmotherName, null, null);
String fatherName = reader.readLine();
Cat catFather = new Cat(fatherName, null, catGrandfather);
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, null);
System.out.println(catGrandfather);
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 grandfather;
private Cat grandmother;
private Cat mother;
private Cat father;
Cat(String name) {
this.name = name;
}
Cat(String name, Cat grandfather) {
this.name = name;
this.grandfather = grandfather;
}
Cat(String name, Cat grandmother, Cat grandfather) {
this.name = name;
this.grandmother = grandmother;
this.grandfather = grandfather;
}
Cat(String name, Cat mother, Cat grandfather, Cat grandmother) {
this.name = name;
this.mother = mother;
this.grandfather = grandfather;
this.grandmother = grandmother;
}
Cat(String name, Cat mother, Cat father, Cat grandfather, Cat grandmother) {
this.name = name;
this.mother = mother;
this.father = father;
this.grandfather = grandfather;
this.grandmother = grandmother;
}
@Override
public String toString() {
if(grandfather == null || grandmother == null)
return "The cat's name is " + name + (grandmother == null ? ", no mother" : ", mother is "+ grandmother.name) + (grandfather == null ? ", no father" : ", father is " + grandfather.name);
else //(mother == null || father == null)
return "The cat's name is " + name + (mother == null ? ", no mother" : ", mother is "+ mother.name) + (father == null ? ", no father" : ", father is " + father.name);
}
}
}