# Core Groovy 2 This module contains articles about core Groovy concepts ## Relevant articles: - [Template Engines in Groovy](https://www.baeldung.com/groovy-template-engines) - [Groovy def Keyword](https://www.baeldung.com/groovy-def-keyword) - [Pattern Matching in Strings in Groovy](https://www.baeldung.com/groovy-pattern-matching) - [Working with XML in Groovy](https://www.baeldung.com/groovy-xml) - [Integrating Groovy into Java Applications](https://www.baeldung.com/groovy-java-applications) - [Concatenate Strings with Groovy](https://www.baeldung.com/groovy-concatenate-strings) - [Metaprogramming in Groovy](https://www.baeldung.com/groovy-metaprogramming) - [[<-- Prev]](/core-groovy)