The Ultimate Java 8 Tutorial offers beginner to professional-level content covering the history of the language, using the Java SDK, Wrapper Classes and Garbage Collection, Strings, and more.

Here's a quick JDBC with HSQLDB tutorial to get you up and running with Java database connectivity and the popular HyperSQL database.

In 2018, a large number of readers were drawn to Java developer tutorials on a variety of topics from RESTful development to continuous delivery with Jenkins CI.