public interface Order {
void calculateTotal(double price, int quantity);
void placeOrder(String customerName, String address);
void generateInvoice(String fileName);
void sendEmailNotification(String email); }
public class OrderAction implements Order {
@Override public void calculateTotal(double price, int quantity) { double total = price * quantity; System.out.println("Order total: $" + total); }
@Override public void placeOrder(String customerName, String address) { // Simulate placing order in a system System.out.println("Order placed for " + customerName + " at " + address); }
@Override public void generateInvoice(String fileName) { // Simulate generating invoice file System.out.println("Invoice generated: " + fileName); }
@Override public void sendEmailNotification(String email) { // Simulate sending email notification System.out.println("Email notification sent to: " + email); } }
public class OrderTest {
public static void main(String[] args) { Order order = new OrderAction(); order.calculateTotal(10.0, 2); order.placeOrder("John Doe", "123 Main St");
// These methods might not be needed for all orders
order.generateInvoice("order_123.pdf");
order.sendEmailNotification("johndoe@example.com");
} }
