Add all 23 GoF design pattern implementations (2026-06-13)

02-structural/bridge/Main.java

@@ -0,0 +1,47 @@
+package bridge;
+
+/**
+ * Bridge Design Pattern — Runnable Demo
+ *
+ * Shows how remotes (abstraction) and devices (implementation)
+ * can vary independently. 4 combinations from 2+2 classes,
+ * not 4 hard-coded classes.
+ *
+ * Run: javac bridge/*.java && java bridge.Main
+ * Article: https://ankurm.com/bridge-design-pattern-java/
+ */
+public class Main {
+
+    public static void main(String[] args) {
+        System.out.println("=== Bridge Design Pattern Demo ===\n");
+
+        // Combination 1: Basic Remote + TV
+        System.out.println("-- Basic Remote controlling TV --");
+        RemoteControl remote1 = new RemoteControl(new TV());
+        remote1.togglePower();
+        remote1.volumeUp();
+        remote1.channelUp();
+
+        System.out.println();
+
+        // Combination 2: Advanced Remote + Radio
+        System.out.println("-- Advanced Remote controlling Radio --");
+        AdvancedRemote remote2 = new AdvancedRemote(new Radio());
+        remote2.togglePower();
+        remote2.volumeUp();
+        remote2.mute();
+        remote2.jumpToChannel(91);
+
+        System.out.println();
+
+        // Combination 3: Advanced Remote + TV (no new classes needed)
+        System.out.println("-- Advanced Remote controlling TV --");
+        AdvancedRemote remote3 = new AdvancedRemote(new TV());
+        remote3.togglePower();
+        remote3.jumpToChannel(5);
+        remote3.mute();
+
+        System.out.println("\n=== Demo complete ===");
+        System.out.println("3 different remote+device combinations, 0 new classes needed.");
+    }
+}