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

compile-and-run-structural.bat

@@ -0,0 +1,74 @@
+@echo off
+setlocal
+
+set BASE=%~dp0
+set OUT=%BASE%\out
+
+echo ============================================================
+echo Compiling and running structural design pattern examples
+echo ============================================================
+
+:: Create output dir
+if not exist "%OUT%" mkdir "%OUT%"
+
+:: --- Adapter ---
+echo.
+echo [1/7] ADAPTER
+javac -d "%OUT%\adapter" -sourcepath "%BASE%\02-structural\adapter" "%BASE%\02-structural\adapter\*.java" 2>&1
+if errorlevel 1 (echo COMPILE ERROR - Adapter) else (
+    java -cp "%OUT%\adapter" adapter.Main
+)
+
+:: --- Bridge ---
+echo.
+echo [2/7] BRIDGE
+javac -d "%OUT%\bridge" -sourcepath "%BASE%\02-structural\bridge" "%BASE%\02-structural\bridge\*.java" 2>&1
+if errorlevel 1 (echo COMPILE ERROR - Bridge) else (
+    java -cp "%OUT%\bridge" bridge.Main
+)
+
+:: --- Composite ---
+echo.
+echo [3/7] COMPOSITE
+javac -d "%OUT%\composite" -sourcepath "%BASE%\02-structural\composite" "%BASE%\02-structural\composite\*.java" 2>&1
+if errorlevel 1 (echo COMPILE ERROR - Composite) else (
+    java -cp "%OUT%\composite" composite.Main
+)
+
+:: --- Decorator ---
+echo.
+echo [4/7] DECORATOR
+javac -d "%OUT%\decorator" -sourcepath "%BASE%\02-structural\decorator" "%BASE%\02-structural\decorator\*.java" 2>&1
+if errorlevel 1 (echo COMPILE ERROR - Decorator) else (
+    java -cp "%OUT%\decorator" decorator.Main
+)
+
+:: --- Facade ---
+echo.
+echo [5/7] FACADE
+javac -d "%OUT%\facade" -sourcepath "%BASE%\02-structural\facade" "%BASE%\02-structural\facade\*.java" 2>&1
+if errorlevel 1 (echo COMPILE ERROR - Facade) else (
+    java -cp "%OUT%\facade" facade.Main
+)
+
+:: --- Flyweight ---
+echo.
+echo [6/7] FLYWEIGHT
+javac -d "%OUT%\flyweight" -sourcepath "%BASE%\02-structural\flyweight" "%BASE%\02-structural\flyweight\*.java" 2>&1
+if errorlevel 1 (echo COMPILE ERROR - Flyweight) else (
+    java -cp "%OUT%\flyweight" flyweight.Main
+)
+
+:: --- Proxy ---
+echo.
+echo [7/7] PROXY
+javac -d "%OUT%\proxy" -sourcepath "%BASE%\02-structural\proxy" "%BASE%\02-structural\proxy\*.java" 2>&1
+if errorlevel 1 (echo COMPILE ERROR - Proxy) else (
+    java -cp "%OUT%\proxy" proxy.Main
+)
+
+echo.
+echo ============================================================
+echo All structural patterns compiled and executed
+echo ============================================================
+pause