OnlinePurchase.java

public class OnlinePurchase extends PurchaseProcessTemplate {
    @Override
    public void doSelectItems() {
        System.out.println("The customer selects items and adds them to a shopping basket.");
    }

    @Override
    public void doPurchaseItems() {
        System.out.println("The customer adds their delivery address and card details when checking out.");
    }

    @Override
    public void doDeliverItems() {
        System.out.println("Ship the items with a courier to the customer's address");
    }
}