Java Resources

Java Application Latency Reduction and Pitfalls

In this article, I will cover the challenges related to memory analysis of large production applications and how to overcome them.

December 18, 2023

by Parveen Saini

· 3,611 Views · 2 Likes

Simplifying Database Operations With HarperDB SDK for Java

In this hands-on session, explore how HarperDB SDK for Java streamlines NoSQL integration, abstracts HTTP complexities, and enables efficient CRUD operations.

December 15, 2023

by Otavio Santana

CORE

· 6,336 Views · 4 Likes

Using the Ubuntu Docker Image

In this post, we'll show you how to make the most of the base Ubuntu images while building your own Docker images and more!

December 14, 2023

by Matthew Casperson

· 6,215 Views · 2 Likes

Shenandoah GC Tuning

Shenandoah GC aims to reduce pause times in Java applications by performing garbage collection concurrently with the application threads.

December 13, 2023

by Ram Lakshmanan

CORE

· 3,981 Views · 2 Likes

Functional Approach To String Manipulation in Java

This article delves into a few methods within the String class that enable processing to be conducted in a functional programming manner.

December 11, 2023

by Sameer Shukla

CORE

· 8,790 Views · 7 Likes

Deploy Keycloak Single Sign-On With Ansible

Deploy, run, and manage your Keycloak single sign-on (SSO) with Ansible and its collection for Keycloak in a fully automated fashion!

December 11, 2023

by Romain Pelisse

· 4,568 Views · 1 Like

Real-Time Advertising With Apache Kafka and Flink

Real-time advertising platform built with Apache Kafka and Apache Flink showing case studies of Pinterest, Uber, Unity, Buzzwil, Reddit, etc.

December 8, 2023

by Kai Wähner

CORE

· 4,892 Views · 1 Like

Monitoring and Troubleshooting Java Applications in Docker Containers

This article is a study and practical guide for the performance analysis, tuning, and troubleshooting of Java services running within Docker containers.

December 8, 2023

by Ganesh Balakrishnan

· 7,498 Views · 2 Likes

The Pitfalls of Using Boolean Parameters in Methods: A Java Tutorial

Ditch boolean parameters for clearer, more maintainable code, reducing ambiguity in method calls and enhancing overall readability.

December 8, 2023

by Otavio Santana

CORE

· 6,586 Views · 1 Like

The Long Road to Java Virtual Threads

A historical journey of how Java finally solved the blocking problem. Java 21's Virtual Threads solve a primary issue faced by most Java developers.

December 7, 2023

by Ken Krueger

· 9,915 Views · 12 Likes

Problems With Finalizer

In Java, the finalize method has been part of the language since its early days, offering a mechanism to perform cleanup activities before an object is garbage collected.

December 7, 2023

by Eugene Kovko

· 4,631 Views · 1 Like

Preserving Context Across Threads

Managing context sharing across services in a large Microservices architecture is a challenging task. This article explains a standard way to do it using Java and Webflux.

December 5, 2023

by Bablu Lal

· 7,804 Views · 7 Likes

Demystifying Virtual Thread Performance: Unveiling the Truth Beyond the Buzz

Virtual threads can provide high enough performance and resource efficiency based on your concurrency goal but also let you have a simple development model.

December 5, 2023

by Daniel Oh

CORE

· 7,687 Views · 8 Likes

How To Get Cell Data From an Excel Spreadsheet Using APIs in Java

This article discusses the benefits OpenXML document formatting offers developers and suggests two API solutions for programmatically retrieving Excel data.

December 5, 2023

by Brian O'Neill

CORE

· 5,809 Views · 7 Likes

Automate JBoss Web Server Deployment With the Red Hat Certified Content Collection for JWS

In this article, learn how to fully automate the deployment and management of Red Hat JBoss Web Server on thousands of servers using Ansible!

December 4, 2023

by Romain Pelisse

· 5,165 Views · 3 Likes

Navigating NoSQL: A Pragmatic Approach for Java Developers

Eclipse JNoSQL 1.0.3 empowers Java devs with ArangoDB. Simplify NoSQL integration and persist data effortlessly. Explore hands-on code sessions!

December 4, 2023

by Otavio Santana

CORE

· 4,423 Views · 3 Likes

Java CMS GC Tuning

In this post, we will explore essential CMS JVM arguments, ranging from basic configurations like enabling CMS to advanced options such as compaction and trigger ratios.

December 4, 2023

by Ram Lakshmanan

CORE

· 3,197 Views · 1 Like

Taming the Virtual Threads: Embracing Concurrency With Pitfall Avoidance

Learn what challenges you probably face when you try to run your microservices on the virtual threads. The challenge might be more complex and bigger if you need to import more Java libraries.

December 3, 2023

by Daniel Oh

CORE

· 8,288 Views · 4 Likes