How to compile OpenJDK on Ubuntu

OpenJDK OverviewOpenJDK is the open source implementation of Java. OpenJDK is under version control by a distributed version control system called Mercurial . This guide will describe how to install Mercurial, download the source code of OpenJDK and how to compile OpenJDK. Install Mercurial and ExtensionsYou first need to make sure Mercurial is installed on your system.sudo apt-get install