Cat catFather = new Cat(catFather, n, catgrandFather);
Пишет что не может привести тип Cat к типу String.
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 n = null;
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(catFather, n, catgrandFather);
String motherName = reader.readLine();
Cat catMother = new Cat(motherName, catgrandMother, n );
String sunName = reader.readLine();
Cat catSun = new Cat(sunName, 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(catSun);
System.out.println(catDaughter);
}
public static class Cat {
private String name;
private Cat parent;
private Cat fath;
Cat(String name) {
this.name = name;
}
Cat(String name, Cat parent) {
this.name = name;
this.parent = parent;
}
Cat(String name, Cat parent, Cat fath) {
this.name = name;
this.parent = parent;
this.fath = fath;
}
@Override
public String toString() {
if (parent == null && fath == null)
return "The cat's name is " + name + ", no mother, no father";
else {
if (fath == null)
return "The cat's name is " + name + ", mother is " + parent.name + ", no father";
else {
if (parent == null)
return "The cat's name is " + name + ", no mother " + fath.name ;
else
return "The cat's name is " + name + ", mother is " + parent.name + ", father is " + fath.name;
}
}
}
}
}