Groovy in Action

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Groovy in Action, Second Edition is a comprehensive guide to Groovy programming, specifically designed for Java developers. It explores Groovy's dynamic features and demonstrates its application in various tasks such as building new applications, integrating with existing code, and developing domain-specific languages (DSLs). This edition covers Groovy 2.4. Over the past decade, Groovy has become a vital tool for Java developers, thanks to its intuitive design, seamless Java integration, and a rich ecosystem that includes frameworks like Grails, the Gradle build system, and the Spock testing platform. Written by core members of the Groovy language team, this book serves as the definitive reference, presenting Groovy from an insider's perspective. It includes relevant examples and thorough explanations of key concepts and features, making it essential for anyone looking to use Groovy in production environments. While some familiarity with Java or another programming language is beneficial, no prior Groovy experience is required. The book provides extensive coverage of Groovy 2.4, including language features, libraries, and AST transformations, as well as topics like dynamic and static typing, concurrency, and practical applications in Java integration, XML, SQL, and testing. It also offers hundreds of reusable examples to aid learning and implementation.