Sync Adapter to Java 25: add StripePaymentClassAdapter, README mapping

02-structural/adapter/OrderService.java

@@ -1,25 +1,17 @@
 package adapter;
-
 /**
  * The Client — uses only the PaymentGateway interface.
  * It has no idea whether it's talking to Stripe, PayPal, or Braintree.
- * This is the point: the client is completely isolated from the vendor.
  */
 public class OrderService {
-
     private final PaymentGateway gateway;
-
-    // Receives a PaymentGateway — could be Stripe, PayPal, anything
     public OrderService(PaymentGateway gateway) {
         this.gateway = gateway;
     }
-
     public void processOrder(String orderId, String customerId, double total) {
         System.out.printf("%nProcessing order %s for customer %s, total: $%.2f%n",
                 orderId, customerId, total);
-
         boolean charged = gateway.charge(customerId, total, "USD");
-
         if (charged) {
             System.out.println("Payment accepted. Order confirmed.");
             String status = gateway.getStatus("ch_" + orderId);