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

A string class is a user-defined template for creating and manipulating string objects, which are sequences of characters. Methods of class string enable the following capabilities: examining ...

How to write a Java palindrome program for Strings Good programmers need to create code that efficiently solves problems, using various methods. A popular academic exercise is to create a program that ...

The example code below shows how to use Java’s DirectoryStream in a method to list the files of a directory: public Set<String> listFilesUsingDirectoryStream(String dir) throws IOException { ...

Java interfaces are different from classes, and it’s important to know how to use their special properties in your Java programs. This tutorial introduces the difference between classes and ...