some minor edits

src/example.bib

@@ -1,38 +0,0 @@
-@article{knuth74,
-    author = {Knuth, Donald E.},
-    title = {Computer Programming As an Art},
-    journal = {Commun. ACM},
-    year = {1974},
-    pages = {667--673},
-    numpages = {7},
-    publisher = {ACM},
-    address = {New York, NY, USA}
-}
-
-@article{knuth92,
-    author = {Knuth, Donald E.},
-    title = {Two notes on notation},
-    journal = {Amer. Math. Monthly},
-    volume = {99},
-    year = {1992},
-    pages = {403--422}
-}
-
-@book{lamport94,
-    title = {LaTeX: A Document Preparation System},
-    author = {Lamport, Leslie},
-    year = {1994},
-    publisher = {Pearson Education India}
-}
-
-@online{structtutorialspoint,
-    title = {struct},
-    date = {04-2020},
-    url = {https://www.tutorialspoint.com/cprogramming/c_structures.htm},
-}
-
-@online{structchowto,
-    title = {struct},
-    date = {04-2020},
-    url = {http://www.c-howto.de/tutorial/strukturierte-datentypen/strukturen/},
-}

src/main.tex

@@ -155,7 +155,7 @@ void testfunc(ADR a){
             \item stattdessen Objekte
         \end{itemize}
         \begin{lstlisting}[language=java]
-public class Dog
+public class Adresse
 {
     String name;
 	String strasse;
@@ -190,14 +190,14 @@ public class Dog
 
 %------------------------------------------------
 
-    \begin{frame}{Pointer in C}
-        TODO
+    \begin{frame}{Pointer Syntax}
+        TODO Code example
     \end{frame}
 
 %------------------------------------------------
 
     \begin{frame}[focus]
-        Danke fuerr eure Aufmerksamkeit!
+        Danke für eure Aufmerksamkeit!
     \end{frame}
 
 %----------------------------------------------------------------------------------------
@@ -208,7 +208,7 @@ public class Dog
 
     \begin{frame}{References}
         \nocite{*} % Display all references regardless of if they were cited
-        \bibliography{example}
+        \bibliography{quellen}
         \bibliographystyle{plain}
     \end{frame}
 

src/quellen.bib

@@ -0,0 +1,11 @@
+@online{structtutorialspoint,
+    title = {struct},
+    date = {04-2020},
+    url = {https://www.tutorialspoint.com/cprogramming/c_structures.htm},
+}
+
+@online{structchowto,
+    title = {struct},
+    date = {04-2020},
+    url = {http://www.c-howto.de/tutorial/strukturierte-datentypen/strukturen/},
+}