diff --git a/DockerSwarm/exercise.adoc b/DockerSwarm/exercise.adoc
index 6b5cfe5..d0105b6 100644
--- a/DockerSwarm/exercise.adoc
+++ b/DockerSwarm/exercise.adoc
@@ -160,8 +160,10 @@ https://docs.docker.com/compose/compose-file/#not-supported-for-docker-stack-dep
 **    https://github.com/dsferruzza/docker-php-node-ruby-build/blob/master/Dockerfile
 
 === java
-* java
+* java and scala
 **    https://github.com/docker-java/docker-java
+** https://www.scala-lang.org/documentation/your-first-lines-of-scala.html
+** https://github.com/hseeberger/scala-sbt
 
 === phonegap cordova
 * phonegap cordova  - https://en.wikipedia.org/wiki/Apache_Cordova