Google client library for accessing Google APIs, providing OAuth2 support and request/response handling.

Guava is a suite of core and expanded libraries that include

The Apache Commons IO library contains utility classes, stream implementations, file filters,

Core Jackson processing abstractions (aka Streaming API), implementation for JSON

General data-binding functionality for Jackson: works on core streaming API

YAML 1.1 parser and emitter for Java

A library jar that provides APIs for Applications written for the Google Android Platform.

JSON is a light-weight, language independent, data interchange format.

JUnit Jupiter is the API for writing tests using JUnit 5.