BerkeSoysal

public class Base64Hasher implements PasswordHasher, Decryptable
{
    @Override
    public String hashPassword(String password)
    {
        return "hashed with base64";
    }

    @Override
    public String decodePasswordFromHash(String hash)

BerkeSoysal

public interface Decryptable
{
    String decodePasswordFromHash(String hash);
}

BerkeSoysal

public interface PasswordHasher
{
    String hashPassword(String password);
    String decodePasswordFromHash(String hash);
}

BerkeSoysal

public class Base64Hasher implements PasswordHasher
{
    @Override
    public String hashPassword(String password)
    {
        return "hashed with 64";
    }
}

BerkeSoysal

public String hashPassword(String password, HashingType hashingType)
{
    if(HashingType.BASE64.equals(hashingType))
    {
        hashedPassword="hashed with Base64";
    }
    else if(HashingType.MD5.equals(hashingType))
    {
        hashedPassword="hashed with MD5";
    }

BerkeSoysal

public class PasswordHasher
{
    public String hashAndSavePassword(String password)
    {
        hashPassword();
        savePassword();
    }

    public void hashPassword()
    {

BerkeSoysal

public class Main {

    public static void main(String[] args) {

        ShipmentParameters shipmentParameters = new ShipmentParameters();
        shipmentParameters.setSameCity(false);
        shipmentParameters.setDistance(40);
        shipmentParameters.setWeight(1);

        CargoFirm safeAndQuick = new SafeAndQuick();

BerkeSoysal

public class FastDeliveryByDistance implements FastDeliveryBehavior
{
    private static final int distanceFor1Day = 50;

    @Override
    public void calculateDaysForDelivery(ShipmentParameters shipmentParameters)
    {
        if(shipmentParameters.distance > distanceFor1Day)
        {
            System.out.println("Will be delivered in 2 Days");

BerkeSoysal

public class FastDeliveryByCity implements FastDeliveryBehavior
{
    @Override
    public void calculateDaysForDelivery(ShipmentParameters shipmentParameters)
    {
        if(shipmentParameters.isSameCity)
        {
            System.out.println("Will be delivered in 1 Days");
        }
        else

BerkeSoysal

public class Main {

    public static void main(String[] args) {
        ShipmentParameters shipmentParameters = new ShipmentParameters();
        shipmentParameters.isSameCity = false;
        shipmentParameters.distance = 70;
        shipmentParameters.weight = 1;

        CargoFirm safeAndQuick = new SafeAndQuick();
        safeAndQuick.createShipment();