Learn how to use a web API from within an Android app using Retrofit. Get posts from social media, store data on the cloud, and much more!

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.

Invoking the Compiler from Code: The Java Compiler API We all use the javac command-line tool for compiling Java source files to class files. Then why do we need an API to compile Java files? Well ...

The functional consumer interface is a key part of the Java Streams API. Here is a simple Consumer interface example to show you how to use this Java component.

If you use any Java internal APIs in your code, it is time to stop. And if you don't stop on your own, Oracle will stop it for you.