# Core Groovy This module contains articles about core Groovy concepts ## Relevant articles: - [JDBC with Groovy](https://www.baeldung.com/jdbc-groovy) - [Working with JSON in Groovy](https://www.baeldung.com/groovy-json) - [Reading a File in Groovy](https://www.baeldung.com/groovy-file-read) - [Types of Strings in Groovy](https://www.baeldung.com/groovy-strings) - [A Quick Guide to Iterating a Map in Groovy](https://www.baeldung.com/groovy-map-iterating) - [An Introduction to Traits in Groovy](https://www.baeldung.com/groovy-traits) - [Closures in Groovy](https://www.baeldung.com/groovy-closures) - [Finding Elements in Collections in Groovy](https://www.baeldung.com/groovy-collections-find-elements) - [Lists in Groovy](https://www.baeldung.com/groovy-lists) - [Converting a String to a Date in Groovy](https://www.baeldung.com/groovy-string-to-date) - [Guide to I/O in Groovy](https://www.baeldung.com/groovy-io) - [[More -->]](/core-groovy-2)