The ethereumj library is a Java implementation of the Ethereum protocol.
This repository currently contains:
For an early peek, have a look at this video
The Ethereum protocol is currenty heavily in development, thus so is this implementation. You can find a todo-list right here and the milestone schedule. For questions you can reach us in #ethereumj on Freenode.
To start you can visit Ethereum.org and if you are looking for more information on the concept, the ethereum white paper is a good place to start as it outlines the vision. For the more technical minded, a protocol description can be found in the yellow paper by Gavin Wood.
The main ethereumj library can be found in the Maven repository
https://bintray.com/ethereum/maven/org.ethereum/view
For building ethereumj-core or ethereumj-studio look in their own individual README
This software is released under the MIT license, read it here
