without notifications: direct coupling to may collaborators

ProcessOrderSuperCoupled.java

public class ProcessOrder {
    private EmailService emailService;
    private InventoryService inventoryService;
    private LogisticsService logisticsService;
    private AccountingService accountingService;
  
    // ... code omitted for brevity
    
    public void execute() {
        // business logic to process an order (code omitted for brevity)
        // ...

        // secondary behaviours associated to an order that has been processed.
        emailService.sendOrderConfirmation(orderDto);
        inventoryService.updateStock(orderDto);
        logisticsService.scheduleDelivery(orderDto);
        accountingService.recordTransaction(orderDto);
    }
}