Above all, Ruby in Practice is a practical book for developers who want to influence in-depth understanding of the Ruby language and the toolset. The authors consider the costs and benefits of using Ruby in enterprise development projects, over-riding theme is that every developer should always aim to use the right tool for each specific job. The authors then examine the pros and cons of developing with Ruby, and if necessary, to compare Ruby to other languages, both conceptually and in code. The authors describe how the library and the techniques used to facilitate message, web development and automation of communication. The last section shows how to manage data and integrate with existing data using Ruby. The authors describe a technique for using the existing Ruby library which replaces both the popular Java libraries or can interface with existing data in different ways.