Java Resources

Jakarta WebSocket Essentials: A Guide to Full-Duplex Communication in Java

Do you want to explore real-time apps in Jakarta EE? This article covers the basics of building a real-time chat app using Jakarta WebSocket and Open Liberty.

November 5, 2024

by Sweetty P Devassy

· 19,283 Views · 30 Likes

How to Read JSON Files in Java Using the Google Gson Library

This tutorial blog focuses on teaching how to read the JSON files using the Google Gson library with different sample JSON files.

November 5, 2024

by Faisal Khatri

CORE

· 18,570 Views · 6 Likes

Effective Methods to Diagnose and Troubleshoot CPU Spikes in Java Applications

In this article, discover a few practical methods to help diagnose and resolve CPU spikes without making changes in your production environment.

November 5, 2024

by Ram Lakshmanan

CORE

· 14,210 Views · 12 Likes

High-Performance Reactive REST API and Reactive DB Connection Using Java Spring Boot WebFlux R2DBC Example

Find out how using Java Spring Boot WebFlux with R2DBC allows developers to build high-performance, reactive REST APIs with non-blocking database connections.

November 4, 2024

by Md Amran Hossain

CORE

· 19,545 Views · 5 Likes

Faster Startup With Spring Boot 3.2 and CRaC, Part 2

Continue with this series to learn how to overcome the two shortcomings of using automatic checkpoint and restore by performing the checkpoint on-demand.

October 31, 2024

by Magnus Larsson

· 14,261 Views · 5 Likes

Java Is Greener on Arm

Hardware and software are evolving in parallel, and combining the best of modern software development with the latest Arm hardware can yield impressive results.

October 30, 2024

by Dmitry Chuyko

· 15,556 Views · 11 Likes

How to Get Plain Text From Common Documents in Java

Image-based documents require OCR for text extraction, but text-based documents don't. Here, learn ways to extract plain text from text-based documents.

October 30, 2024

by Brian O'Neill

CORE

· 8,663 Views · 6 Likes

Hot Class Reload in Java: A Webpack HMR-Like Experience for Java Developers

Enhance your Java development with a hot class reload system, similar to Webpack's HMR. This guide explores using Java WatchService and the javax.tools API.

October 30, 2024

by Mohibul Hassan Chowdhury

· 5,557 Views · 4 Likes

Enhance User Experience With a Formatted Credit Card Input Field

This article shows how to implement a credit card input that automatically formats numbers into readable four-digit groups in Java and JS for an enhanced user experience.

October 29, 2024

by Hawk Chen

CORE

· 7,683 Views · 2 Likes

Top Takeaways From Devoxx Belgium 2024

Gain insight from these takeaways, taken from several highlighted sessions presented during the most recent edition of Devoxx Belgium.

October 29, 2024

by Gunter Rotsaert

CORE

· 6,866 Views · 3 Likes

Filtering Java Collections via Annotation-Driven Introspection

Learn a versatile collection filtering strategy based on Java annotations and reflection and how it can simplify the code of some predicates.

October 28, 2024

by Thiago Nascimento

CORE

· 6,837 Views · 6 Likes

Summary of the AJAX Frameworks Comparison

This final post of a series analyzing several libraries and frameworks that augment the client with AJAX capabilities concludes with a comprehensive comparison.

October 24, 2024

by Nicolas Fränkel

· 8,604 Views · 5 Likes

High-Speed Real-Time Streaming Data Processing

The article discusses the need for streaming data processing and evaluates available options. It explains that one size fits all is approach is not appropriate.

October 24, 2024

by Ashish Karalkar

· 11,092 Views · 3 Likes

Implement Hibernate Second-Level Cache With NCache

Set up a Java application with Hibernate, configure NCache as the second-level cache, and test the implementation to see how caching reduces the DB load.

October 22, 2024

by Abhinav Pandey

· 8,417 Views · 3 Likes

How to Implement Client-Side Load Balancing With Spring Cloud

In this article, you will learn how to perform client-side load balancing in microservices by Spring Cloud Load Balancer.

October 21, 2024

by Mario Casari

· 11,276 Views · 5 Likes

Dust: Open-Source Actors for Java

Dust integrates a robust Actor system with Java virtual threads. This paradigm removes common problems associated with massively multi-threaded applications.

October 21, 2024

by Alan Littleford

· 11,009 Views · 5 Likes

Vaadin: The Battery-Included, Server-Side AJAX Framework

In this article, explore Vaadin in the context of AJAX and SSR.

October 17, 2024

by Nicolas Fränkel

· 9,782 Views · 2 Likes

How to Convert HTML to DOCX in Java

Converting HTML to DOCX makes web-based content accessible to a wide audience of non-technical content collaborators; automating this conversion is easy with APIs.

October 16, 2024

by Brian O'Neill

CORE

· 12,765 Views · 7 Likes

Mastering Date/Time APIs: Challenges With Java's Calendar and JDK Date/Time APIs

Test your Java skills with four problems focused on Calendar API and JDK Date/Time APIs, including ChronoUnit, IsoFields, TemporalAdjusters, and more.

October 15, 2024

by Anghel Leonard

CORE

· 7,753 Views · 8 Likes

Modify JSON Data in Postgres and Hibernate 6

In this series on supporting the Postgres JSON functions in a project using the Hibernate framework, learn about modification operations on JSON records.

October 9, 2024

by Szymon Tarnowski

CORE

· 14,664 Views · 6 Likes

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