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/CodecFactory.java
+++ b/02-structural/facade/CodecFactory.java
@@ -0,0 +1,10 @@
+package facade;
+
+/** CodecFactory — inspects a VideoFile and returns the matching Codec. */
+class CodecFactory {
+    static Codec extract(VideoFile file) {
+        System.out.println("  CodecFactory: extracting codec from " + file.getFilename());
+        if ("mpeg4".equals(file.getCodecType())) return new MPEG4CompressionCodec();
+        return new OggCompressionCodec();
+    }
+}