GNU/Linux Installing Oracle JDK 7 Guide
Hi! The Article Presents a Series of Links to Installation and Quick Start Guides for Oracle-Sun Official Java JDK 7 on main GNU/Linux Distributions.
The JDK forms an extended subset of a Software Development Kit (SDK). It includes the JRE and “Tools for Developing, Debugging, and Monitoring Java Applications”.
Oracle strongly suggests that they now use the term “JDK” to refer to the Java SE Development Kit.