This post shows readers how to create an array in Java. Including: Array Lists, multidimensional arrays, maps, and more.

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

The Java array length property does not have round brackets after the field. The Java String length () method does. Confusion here will cause compile time errors, so be careful.

A Java string is a sequence of characters that exists as an object of the class java.lang. Java strings are created and manipulated through the string class. Once created, a string is immutable -- its ...

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.

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