This video assumes you have an IDE. The IDE covered in this video is the free IntelliJ IDEA Community Edition. You could also use Netbeans or Eclipse as you wish, the same basic principles apply. This video takes you from the download of hazelcast through to your writing and compiling and running the tutorial code from the hazelcast web site documentation. See how truly easy it is to get started with Hazelcast, the leading open source in-memory data grid.