This guide includes a step-by-step breakdown of how to set up and run a conference call using an Android mobile device.

This post explains how to call a method in Java. Learn how to define methods, call them from other classes, and pass arguments!

If you want to use a bunch of third-party AI projects you'll need to get yourself an API key first.

Get to know the Java persistence standard based on Hibernate and learn how to use JPA to store and manage Java objects in a relational or NoSQL database.