law_of_demeter_solution.java

public class Person {
    private House house;
    
    public getHouse() {
        return house;
    }
    
    public getZipCode() {
        return house.zipCode;
    }
}

public class House {
    private Address address;
    
    public getAddress() {
        return adress;
    }
    
    public getZipCode() {
        return address.zipCode;
    }
}

public class Address {
    private String zipCode;
    
    public getZipCode() {
        return zipCode;
    }
}

public static void main(String[] args) {
    ...
    ...
    String zipCode = person.getZipCode();
}