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Groovy def Keyword 1. Overview In this quick tutorial, we’ll explore the concept of the def keyword in Groovy. It provides an optional typing feature to this dynamic JVM language. 2. Meaning of the def Keyword The def keyword is used to define an untyped variable or a function in… Continue Reading groovy-def-keyword

A Quick Guide to Working with Web Services in Groovy 1. Overview Nowadays, we see a range of ways to expose data by an application over the web. Often, the application uses a SOAP or REST web service to expose their APIs. However, there are streaming protocols like RSS and… Continue Reading groovy-web-services

Introduction to Groovy Language 1. Overview Groovy is a dynamic, scripting language for the JVM. It compiles to bytecode and blends seamlessly with Java code and libraries. In this article, we’re going to take a look some of the essential features of Groovy, including basic syntax, control structures, and collections.… Continue Reading groovy-language

Ratpack with Groovy 1. Overview Ratpack is a set of lightweight Java libraries for building scalable HTTP applications with reactive, asynchronous, and non-blocking features. Additionally, Ratpack also provides integration with technologies and frameworks like Google Guice, Spring Boot, RxJava and Hystrix. In this tutorial, we’ll explore how to use Ratpack… Continue Reading ratpack-groovy

Reading a File in Groovy 1. Overview In this quick tutorial, we’ll explore different ways of reading a file in Groovy. Groovy provides convenient ways to handle files. We’ll concentrate on the File class which has some helper methods for reading files. Let’s explore them one by one in the following… Continue Reading groovy-file-read

Closures in Groovy 1. Overview In this Introductory tutorial, we’ll explore the concept of closures in Groovy, a key feature of this dynamic and powerful JVM language. Many other languages, including Javascript and Python, support the concept of closures. However, the characteristics and functioning of closures vary from language to… Continue Reading groovy-closures

Maps in Groovy 1. Overview Groovy extends the Map API in Java to provide methods for operations such as filtering, searching and sorting. It also provides a variety of shorthand ways of creating and manipulating maps. In this article, we’ll look at the Groovy way of working with maps. 2. Creating… Continue Reading groovy-maps

Guide to I/O in Groovy 1. Introduction Although in Groovy we can work with I/O just as we do in Java, Groovy expands on Java’s I/O functionality with a number of helper methods. In this tutorial, we’ll look at reading and writing files, traversing file systems and serializing data and… Continue Reading groovy-io