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

Get a deep dive into using method references in your Java programs, including stream operations, event listeners, and constructors and factories.

Most Java developers probably think of behavior like that of String.contains (CharSequence) or Collection.contains (Object) when they think of a contains() method.

Hold the value of the String length in a variable for future use Java String length method () The Java String class contains a length () method that returns the total number of characters a given ...

This post explains how to call a method in Java. Learn how to define methods, call them from other classes, and pass arguments!