Да что не так то?!
package com.javarush.task.task02.task0213;
/*
Питомцам нужны люди
*/
public class Solution {
public static void main(String[] args) {
Woman woman = new Woman();
Cat cat = new Cat();
cat.owner = Woman;
Dog dog = new Dog();
dog.owner = Woman;
Fish fish = new Fish();
fish.owner = Woman;
//напишите тут ваш код
}
public static class Cat {
public Woman owner;
}
public static class Dog {
public Woman owner;
}
public static class Fish {
public Woman owner;
}
public static class Woman {
}
}