Build Rocksdb Java API

sudo apt-get install git g++ automake openjdk-7-jdk curl
export JAVA_HOME=/usr/lib/jvm/java-7-openjdk-amd64
git clone https://github.com/facebook/rocksdb.git
cd rocksdb/
sudo apt-get install libgflags-dev libsnappy-dev zlib1g-dev libbz2-dev
make rocksdbjava

This will produce 

/rocksdb/java/target/rocksdbjni-3.10.0-linux64.jar
/rocksdb/java/target/librocksdbjni-linux64.so