设置狗和主人之间的双向关系(Java)

public class Dog {
    private String name;
    private Owner owner;

    public Dog(String name) {
        this.name = name;
    }

    public String getName() {
        return name;
    }

    public Owner getOwner() {
        return owner;
    }

    public void setOwner(Owner owner) {
        this.owner = owner;
    }
}

public class Owner {
    private String name;
    private Dog dog;

    public Owner(String name) {
        this.name = name;
    }

    public String getName() {
        return name;
    }

    public Dog getDog() {
        return dog;
    }

    public void setDog(Dog dog) {
        this.dog = dog;
    }
}

public class Main {
    public static void main(String[] args) {
        Dog dog = new Dog("Buddy");
        Owner owner = new Owner("John");

        dog.setOwner(owner);
        owner.setDog(dog);

        System.out.println("Dog: " + dog.getName());
        System.out.println("Owner: " + owner.getName());
        System.out.println("Owner's Dog: " + owner.getDog().getName());
    }
}