The document is a presentation on the Groovy programming language. It provides an overview of Groovy including its origins as a dynamic language for the Java Virtual Machine that combines features from Java, Ruby and Python. The presentation covers Groovy features like dynamic and static typing, built-in support for lists, maps and regular expressions. It also discusses how Groovy can be used to work with Java code and integrated with build tools like Ant. Code samples are provided to demonstrate Groovy's simpler syntax compared to Java.