Interested to learn about DataProvider? Check our article explaining about Parameterization with DataProvider in TestNG.

See the differences and similarities between Java 8 Stream API and Kotlin Collections.

In this quick tutorial, we'll cover how we can calculate sum & average in an array using both Java standard loops and the Stream API.

Learn about the Apache Pulsar publish-subscribe messaging system

Interested to learn about Java 9? Check our article explaining one of the most important features of java 9, which is ‘Modules’.

On Java 16 and beyond: Records, Vector API, Unix domain sockets, UTF-8 everything, and Project Valhalla. Also, slow queries with Hibernate, and Kind over minikube!

Learn some different ways to list the files in a directory and subdirectories in Java.

Learn how we to check if a String contains at least one uppercase letter, lowercase letter, digit or special character in Java.

A quick and practical overview of how many threads can JVM create.

Learn how to sort arrays or primitive types and objects in ascending and descending order

A quick and practical guide to Java while loops

Learn about the most important JVM parameters which can be used to improve web applications performance.

Explore if there are any performance benefits from using the final keyword on a variable, method, and class

Learn how to communicate between JVMs using Java RMI.

When dividing by zero, integer division always throws an Exception. This is not the case with floating-point numbers, however. Let's see why.

Learn how to work with integer streams using the Java Stream API.

A quick and practical introduction to UUID in Java.

Explore two basic concepts of the Java language - classes and objects - with examples of their implementation.

Overview of java.util.concurrent.BlockingQueue with a usage example