diff --git a/.gitignore b/.gitignore
index 9e4315149fd6b0d14ef3dd365ff01e4a8a7c14e5..16994c7cb00449a6c2b17b1a0ccb555e6c39d4c1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,5 @@
  ~$3500NetworkedGraphicsSyllabus2019JulySeptember.doc
 /nbproject/build-impl.xml~
-/nbproject/genfiles.properties
 /nbproject/private/
 /assignments/build/
 /assignments/dist/
@@ -29,3 +28,7 @@
 /specifications/archive
 !/specifications/2019-SIW-Presentation-039_CompressedDis.pdf
 !/specifications/IeeeDisPduColorFigures.pdf
+/examples/WebsocketGateway/build/
+/examples/WebsocketGateway/dist/
+/examples/BasicServletDemo/dist/
+/examples/BasicServletDemo/build/