Java Resources

REST Clients With OpenFeign: How to Implement Them

In this article, readers will learn how to implement REST clients with the Spring Cloud OpenFeign module and how to configure them.

December 23, 2023

by Mario Casari

· 11,775 Views · 7 Likes

Secure Password Hashing in Java: Best Practices and Code Examples

This article covers secure password hashing in Java using modern algorithms like BCrypt, Argon2, and PBKDF2 with salting and computational intensity for better security.

December 22, 2023

by Wallace Espindola

· 24,747 Views · 4 Likes

Liferay Tutorial for CTOs

Liferay can be a pretty good way to boost the time to market of your app. Learn how to do that by reading a handy Liferay tutorial.

December 22, 2023

by Patryk Rutkowski

· 6,349 Views · 2 Likes

From J2EE to Jakarta EE

Discover why Jakarta EE, with the industry-wide adoption of microservices-based architectures, has become one of the most popular Java server-side frameworks.

December 21, 2023

by Nicolas Duminil

CORE

· 13,182 Views · 15 Likes

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

· 4,392 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

· 7,714 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

· 7,572 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

· 5,233 Views · 3 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

· 11,204 Views · 8 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

· 5,949 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

· 5,954 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

· 8,611 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

· 9,517 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

· 17,679 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

· 5,237 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

· 14,636 Views · 14 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

· 13,833 Views · 9 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

· 7,712 Views · 7 Likes