How Do You Install Scala on a RHEL Instance of AWS?

Problem scenario
You want to install Scala to a Red Hat Enterprise Linux instance of AWS.  How do you do this?

1.  Install Java:  sudo yum -y install java-1.8*

2.  Log off and log back on.

3.  Run these three commands:
curl | sudo tee /etc/yum.repos.d/bintray-sbt-rpm.repo
sudo yum -y install sbt
sbt new scala/hello-world.g8

4.  Verify Scala has been installed with this command:  scala about

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