Sync Adapter to Java 25: add StripePaymentClassAdapter, README mapping

02-structural/adapter/Main.java

@@ -1,14 +1,5 @@
 package adapter;
 
-/**
- * Adapter Design Pattern — Runnable Demo
- *
- * Demonstrates wrapping an incompatible StripeClient behind
- * the PaymentGateway interface your application expects.
- *
- * Run: javac adapter/*.java && java adapter.Main
- * Article: https://ankurm.com/adapter-design-pattern-java/
- */
 public class Main {
 
     public static void main(String[] args) {
@@ -28,8 +19,6 @@ public class Main {
 
         // --- JDK Example: InputStreamReader as Adapter ---
         System.out.println("\n-- JDK Adapter: InputStreamReader --");
-        // InputStreamReader adapts InputStream (byte-based) to Reader (char-based)
-        // The client (BufferedReader) only knows about Reader, not InputStream
         System.out.println("InputStreamReader wraps System.in (InputStream) as a Reader.");
         System.out.println("Your code reads chars; the adapter handles byte-to-char conversion.");