Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions.

Leverage the NDArray from Deep Java Library (DJL) to write your NumPy code in Java and apply NDArray into a real-world application.

This post explains how to use variables in Java. Learn the primitive types (and what that means) and just why variables are so important for any coding!

We discuss how to work with directories, sub-directories, and traverse them using Java and the DirectoryStream method. Learn more.