This tutorial series is a beginner’s guide to data structures and algorithms in Java. You’ll learn: How to recognize and use array and list data structures in your Java programs.

Jump to Part 2 when you’re ready for a tour of Java arrays and their algorithms. Related content. how-to Advanced unit testing with JUnit 5, Mockito, and Hamcrest. By Steven Haines.

Sealed classes make Java an even more powerful and expressive language and set the stage for even more sophisticated techniques such as pattern matching, which we'll explore in a subsequent article. A ...