diff --git a/.idea/misc.xml b/.idea/misc.xml
index f88369a..3ac51ba 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ProjectRootManager" version="2" languageLevel="JDK_21" project-jdk-name="openjdk-22" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
diff --git a/Medien/Folien/Programmieren_15_Swing_1.pdf b/Medien/Folien/Programmieren_15_Swing_1.pdf
new file mode 100644
index 0000000..7097558
Binary files /dev/null and b/Medien/Folien/Programmieren_15_Swing_1.pdf differ