ubuntu 14.04 install scala 2.11.7 and sbt 13.9 and java 8 and git

gistfile1.txt

# git install
sudo apt-get install git

# java install
sudo apt-get install python-software-properties
sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java8-installer

# scala install
wget www.scala-lang.org/files/archive/scala-2.11.8.deb
sudo dpkg -i scala-2.11.8.deb

# sbt installation
echo "deb https://dl.bintray.com/sbt/debian /" | sudo tee -a /etc/apt/sources.list.d/sbt.list
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 642AC823
sudo apt-get update
sudo apt-get install sbt