Download the package lists from the repositories. This is not update of tools, just the available directory. Upgrade existing packages.
Install Guest Additions
Top menu > Devices > Insert Guest Additions CD...
cd /media/uki/VBOXADDITIONS_4.3.16_95972/
sudo apt-get update&&sudo apt-get dist-upgrade
Install Guest Additions
Top menu > Devices > Insert Guest Additions CD...
cd /media/uki/VBOXADDITIONS_4.3.16_95972/
sudo ./VBoxLinuxAdditions.run
Installing Java JDK
$ sudo apt-get -y install default-jdk
$ java -version
java version "1.7.0_65"
Install ANT
sudo apt-get -u install ant
$ ant -v
Apache Ant(TM) version 1.9.3 compiled on April 8 2014
Install GIT
sudo apt-get install git
$ git version
git version 1.9.1
Installing Misc tools