Java - CW - 8 December 2021

package ShantoDoesPracticeHere;

import java.util.HashMap;

class PostalCode {
    // properties
    int code;
    String area;

    //constructor
    public PostalCode() {
        this.code = -1;
        this.area = "";
    }

    public PostalCode (String area, int code) {
        this.code = code;
        this.area = area;
    }
}

class Country {
    // properties
    String countryName, countryCode, subDomain, continent, alternateName;

    public Country() {
        countryName = "";
        subDomain = "";
        countryCode = "";
        continent = "";
        alternateName = "";
    }

    public Country(String countryName, String countryCode, String subDomain, String continent, String alternateName) {
        this.countryName = countryName;
        this.countryCode = countryCode;
        this.subDomain = subDomain;
        this.continent = continent;
        this.alternateName = alternateName;
    }
}

class Address {
    // Properties
    String houseName, area, city, division;
    PostalCode postCode;
    Country country;

    // Actions / Functionality
    public Address(){
        this.houseName = "";
        this.area = "";
        this.city = "";
        this.division = "";
        this.country = new Country();
        this.postCode = new PostalCode();
    }

    public Address(String houseName, String area, String city, String division, Country country, PostalCode postCode){
        this.houseName = houseName;
        this.area = area;
        this.city = city;
        this.division = division;
        this.country = country;
        this.postCode = postCode;
    }

    public void showAddress() {
        System.out.println("House Name : " + houseName);
        System.out.println("Area : " + area);
        System.out.println("Postal Code : " + postCode.code);
        System.out.println("City : " + city);
        System.out.println("Division : " + division);
        System.out.println("Country : " + country.countryName);
        System.out.println();
    }
}

public class MainDoor {

    private static HashMap <String, Country> initiateCountries(HashMap <String, Country> countries) {
        Country country = new Country("Myanmar", "+089", "Asia", "mn", "Burma");
        countries.put("Myanmar", country);

        country = new Country("India", "+091", "Asia", "in", "Bharat");
        countries.put("India", country);

    country = new Country("Bangladesh", "+880", "Asia", "bd", "Bangladesh");
        countries.put("Bangladesh", country);

        return countries;
    }

    private static HashMap <String, PostalCode> initiatePostalCodes(HashMap <String, PostalCode> postCodes) {
        // adding postal code
        PostalCode tempPostCode = new PostalCode("Sylhet Sadar", 3100);
        postCodes.put(tempPostCode.area, tempPostCode);

        tempPostCode = new PostalCode("Akhalia", 3114);
        postCodes.put(tempPostCode.area, tempPostCode);

        tempPostCode = new PostalCode("KajolShah", 3110);
        postCodes.put(tempPostCode.area, tempPostCode);

        tempPostCode = new PostalCode("Jalalabad", 3107);
        postCodes.put(tempPostCode.area, tempPostCode);

        tempPostCode = new PostalCode("Sylhet Biman Bondor", 3102);
        postCodes.put(tempPostCode.area, tempPostCode);

        return postCodes;
    }

    public static void main(String[] args)
    {
        HashMap <String, Country> countries = new HashMap <String, Country>();
    HashMap <String, PostalCode> postCodes = new HashMap <String, PostalCode>();

        countries = initiateCountries(countries);
    postCodes = initiatePostalCodes(postCodes);

        // Shanto's Address

        String houseName = "Shanto\'s Cool House";
    String areaName = "Akhalia";
    String cityName = "Sylhet Sadar";
    String divisionName = "Sylhet";
    String countryName = "Bangladesh";
        Address shanto = new Address( houseName, areaName, cityName, divisionName, countries.get(countryName), postCodes.get(areaName) );
        shanto.showAddress();


        // Mehraj's Address

        houseName = "Mehraj\'s Cool House";
    areaName = "KajolShah";
    cityName = "Sylhet Sadar";
    divisionName = "Sylhet";
    countryName = "Bangladesh";
    Address mehraj = new Address( houseName, areaName, cityName, divisionName, countries.get(countryName), postCodes.get(areaName) );
        mehraj.showAddress();
    }
}