Learning Groovy

This short guide teaches the popular JVM programming language, Groovy and its ecosystem. Learn Groovy helps programmers learn Groovy, a flexible open-source Java-based dynamic scripting language built for the JVM (Java Virtual Machine), and the Groovy ecosystem. 
This book covers Groovy fundamentals, Gradle, Grails, Spock, Groovy design patterns, and advanced some Groovy programming.
What you'll learn
Groovy fundamentals, including the GDK or Groovy Development Kit
Advanced Groovy, such as writing Groovy DSLs
Functional programming in Groovy
GPars, the built-in concurrency library
Gradle, the build system
Grails, the web application framework
Spock, the testing framework
Ratpack, the reactive web library