Thus, a number of interesting ideas and interesting have been introduced and implemented in a coherent manner appropriate to the level of perfection required for diligent maintenance of the standard language. Existing Reason 2005 not only describes the changes from 1995 but there is also reason to change. Starting with the introduction provides an overview and is followed by seven chapters focusing on OOP, this type of access, structure and visibility, and real-time tasking, exceptions, generic, etc.; libraries that have been established; and containers.