diff --git a/presentations/00_ConfiguringJavaNetbeansGit.pdf b/presentations/00_ConfiguringJavaNetbeansGit.pdf
index 456c63b856bef3e4d8fe4b5e482bf57434369956..9359cb75168116188a09c3079e30891be56bc547 100644
Binary files a/presentations/00_ConfiguringJavaNetbeansGit.pdf and b/presentations/00_ConfiguringJavaNetbeansGit.pdf differ
diff --git a/presentations/00_ConfiguringJavaNetbeansGit.pptx b/presentations/00_ConfiguringJavaNetbeansGit.pptx
index ff81eede4f9b9e8d6dcec6ffd48acda30390cc8d..211a4b57628345838eacefa8a2636483e5997037 100644
Binary files a/presentations/00_ConfiguringJavaNetbeansGit.pptx and b/presentations/00_ConfiguringJavaNetbeansGit.pptx differ
diff --git a/presentations/05_JavaIO_InputOutput_CheatSheet.pptx b/presentations/05_JavaIO_InputOutput_CheatSheet.pptx
index dc9a7270acd739caf61fa10d6c9a577007f18db6..dc23f196c619277d7b8483b635946f8fcaed794d 100644
Binary files a/presentations/05_JavaIO_InputOutput_CheatSheet.pptx and b/presentations/05_JavaIO_InputOutput_CheatSheet.pptx differ
diff --git a/presentations/06_UDP_UserDatagramProtocol.pptx b/presentations/06_UDP_UserDatagramProtocol.pptx
index 9e6cac8db39c8aca09850b210752f618cb8e6518..901e8e1cbb71c4d4fbebe6318744693509b66212 100644
Binary files a/presentations/06_UDP_UserDatagramProtocol.pptx and b/presentations/06_UDP_UserDatagramProtocol.pptx differ