Without further ado, below is a step-by-step detailed description of downloading and setting up the latest JDK 7 build (for Debian/Windows/MacOS X) on your machine.

The Java JDK (Java Development Kit) is a software development environment that creates Java applications.

Oracle debuted JDK 7 and a preview of MySQL 5.6 at OSCON 2011 this week and acknowledged it is trying to be a better open source citizen -- but it is not trying to be an open source company.