Add all 23 GoF design pattern implementations

2026-07-25 10:50:29 +05:30
commit f5688a6b32
164 changed files with 4371 additions and 0 deletions
--- a/02-structural/facade/Codec.java
+++ b/02-structural/facade/Codec.java
@@ -0,0 +1,6 @@
+package facade;
+
+/** Codec — common interface implemented by each concrete compression codec. */
+interface Codec {
+    String getName();
+}