import java.lancs.Person;

//
// Address class
//
class Address
{
  // Street
  private String myStreet;
  
  // City
  private String myCity;
  
  // State
  private String myState;

  // Constructor
  public Address (String street,
                  String city,
                  String state)
    {
      myStreet = street;
      myCity = city;
      myState = state;
    }

  // Constructor
  public Address ()
    {
      // Initialize of empty strings
      myStreet = new String ();
      myCity = new String ();
      myState = new String ();
    }

  public String toString ()
    {
      return myStreet + " " + myCity + " " + myState;
    }

  public String getCity ()
    {
      return myCity;
    }

  public String getStreet ()
    {
      return myStreet;
    }

  public String getState()
    {
      return myState;
    }

  public void setCity (String city)
    {
      myCity = city;
    }

  public void setStreet (String street)
    {
      myStreet = street;
    }

  public void setState(String state)
    {
      myState = state;
    }
}

// 
// PersonWithAddressInfo (extend Person with address info)
//
class PersonWithAddressInfo extends Person
{
  // my address attribute
  private Address address;

  // Constructor 
  public PersonWithAddressInfo ()
    {
      // Construct the super class
      super ();

      // Construct the address object
      address = new Address ();      
    }

  // Constructor (takes address info as strings)
  public PersonWithAddressInfo (String street,
                                String city,
                                String state)
    {
      // Construct the super class
      super ();

      // Construct the address object
      address = new Address (street,
                             city,
                             state);
    }

  // Constructor (takes all pieces of info as string)
  public PersonWithAddressInfo (String forename, 
                                String surname, 
                                int age, 
                                int gender,
                                String street,
                                String city,
                                String state)
    {
      // Call the other constructor 
      this (forename, 
            surname, 
            age, 
            gender,
            new Address (street,
                         city,
                         state));
    }
  
  // Constructor (takes most pieces of info as string and the address
  // as an Address object)
  public PersonWithAddressInfo (String forename, 
                                String surname, 
                                int age, 
                                int gender,
                                Address addr)
    {
      // Construct the super class
      super (forename, 
             surname, 
             age, 
             gender);

      // Construct the address object
      address = addr;
    }

  public Address getAddress ()
    {
      return address;
    }

  public String toString ()
    {
      // Note the call to super.toString()
      return super.toString () + " " + address.toString ();
    }
}

public class Inheritance 
{
  // 
  // This method prints a person
  //
  public static void print_person (Person person)
    {
      System.out.print (person.getForename () + " ") ;
      System.out.print (person.getSurname () + " (") ;
      System.out.print (person.getAge () + ", ") ;
      System.out.println (person.getGenderString () + ")") ;
    }

  public static void main (String[] args)
    {
      // Create an address
      Address address = new Address ("White House",
                                     "Washington",
                                     "D.C");

      // Print the address
      System.out.println (address);

      // Create an instance of the PersonWithAddressInfo class
      PersonWithAddressInfo newPerson = 
        new PersonWithAddressInfo ("Irfan",
                                   "Pyarali",
                                   25, 
                                   Person.MALE,
                                   "White House",
                                   "Washington",
                                   "D.C");

      // Print the forename
      System.out.println (newPerson.getForename ());

      // Print the surname
      System.out.println (newPerson.getAge ());

      // Get the address
      Address persons_address = newPerson.getAddress ();

      // Print the city
      System.out.println (persons_address.getCity ());

      // Another way of printing the city
      System.out.println (newPerson.getAddress ().getCity ());

      // Print person; note that this works because
      // PersonWithAddressInfo is a Person
      print_person (newPerson);

      // Print the object
      System.out.println (newPerson);
    }
}