diff --git a/2Semester/src/Generics/Verwaltung.java b/2Semester/src/indexverwaltung/Verwaltung.java
similarity index 93%
rename from 2Semester/src/Generics/Verwaltung.java
rename to 2Semester/src/indexverwaltung/Verwaltung.java
index e897d7e..5979410 100644
--- a/2Semester/src/Generics/Verwaltung.java
+++ b/2Semester/src/indexverwaltung/Verwaltung.java
@@ -1,4 +1,4 @@
-package Generics;
+package indexverwaltung;
 
 import java.util.ArrayList;
 
diff --git a/2Semester/src/postfixNotation/Item.java b/2Semester/src/postfixNotation/Item.java
new file mode 100644
index 0000000..99cb6e3
--- /dev/null
+++ b/2Semester/src/postfixNotation/Item.java
@@ -0,0 +1,12 @@
+package postfixNotation;
+
+public class Item {
+    // Konstruktor
+    Item(char z, int w) {
+        zeichen = z;
+        prio = w;
+    }
+    char zeichen;
+    int prio;
+
+}
diff --git a/2Semester/src/postfixNotation/package-info.java b/2Semester/src/postfixNotation/package-info.java
new file mode 100644
index 0000000..7f26a5e
--- /dev/null
+++ b/2Semester/src/postfixNotation/package-info.java
@@ -0,0 +1 @@
+package postfixNotation;
\ No newline at end of file