Gradle Overview
Explains Gradle.

Gradle is a build tool based on Groovy, a scripting language that runs on the JVM. This section explains how to use one of today’s most notable build tools.
Gradle is based on preparing and running tasks. Tasks can be written with Groovy, and this page explains the basic ways to create them.
Gradle can also be used for web application development. This page explains project creation and plugins used for web development.
Explains the difference between jars generated by Gradle’s bootJar and jar tasks.