Java Resources

Singleton: 6 Ways To Write and Use in Java Programming

Here, learn how and when to write singletons and gain an appreciation of the nuances and caveats in creating singleton objects.

April 9, 2024

by Narendran Solai Sridharan

· 9,559 Views · 7 Likes

Understanding Polyglot Persistence

Polyglot persistence enables software professionals to enhance Java applications with NoSQL databases, achieving greater flexibility, scalability, and efficiency.

April 5, 2024

by Otavio Santana

CORE

· 12,344 Views · 3 Likes

Developing a Multi-Tenancy Application With Spring Security and JWTs

This article guides you through the process of creating a multi-tenancy application following a Software as a Service (SaaS) model, where each client has a dedicated database.

Updated April 4, 2024

by Md Amran Hossain

CORE

· 70,608 Views · 22 Likes

Game Theory in Blockchain: A Developer's Guide With Java Example

Enhance blockchain stability, security, and efficiency with game theory. Shape consensus mechanisms, incentives, and governance in a Java-based PoS simulation.

April 4, 2024

by Arun Pandey

CORE

· 3,845 Views · 2 Likes

Spring Boot Application With Spring REST and Spring Data MongoDB

In this article, we will create a simple Spring Boot application that performs CRUD operations with Spring REST and MongoDB.

April 4, 2024

by Vanitha P K

· 8,242 Views · 3 Likes

Mastering the JVM: Elevating Java Development and Career Prospects

Understanding JVM internals, memory management, and garbage collection boosts efficiency and performance — a crucial step for creating robust, scalable Java applications.

April 2, 2024

by Otavio Santana

CORE

· 5,123 Views · 4 Likes

How To Implement OAuth2 Security in Microservices

Learn to implement OAuth2 Security in microservices distributed systems using OAuth2, Oauth2-Client, Spring Cloud, and Netflix components with full examples.

Updated March 29, 2024

by Md Amran Hossain

CORE

· 100,776 Views · 17 Likes

Java 22 Brings Major Enhancements for Developers

Java 22 brings major enhancements for developers, including language improvements, concurrency updates, native interoperability, and performance optimizations.

March 29, 2024

by Tom Smith

CORE

· 9,361 Views · 9 Likes

The Power of LLMs in Java: Leveraging Quarkus and LangChain4j

This post attempts to demystify the use of LLMs in Java, with Quarkus and LangChain4j, across a ludic and hopefully original project.

March 28, 2024

by Nicolas Duminil

CORE

· 5,979 Views · 5 Likes

How To Get Started With New Pattern Matching in Java 21

Dive into pattern matching, a powerful new feature in Java 21 that lets you easily deconstruct and analyze data structures. Follow this tutorial for examples.

March 26, 2024

by Daniel Oh

CORE

· 9,338 Views · 15 Likes

Converting ActiveMQ to Jakarta (Part II)

In this article, learn more about migrating a mature code base to Jakarta based on the impacts of the new Jakarta framework.

March 25, 2024

by Matt Pavlovich

· 1,279 Views · 1 Like

Getting Started With NCache Java Edition (Using Docker)

Learn how to get started with NCache Java Edition using Docker with step-by-step processes involving the creation of a clustered cache server.

March 22, 2024

by Gowtham K

· 40,357 Views · 2 Likes

How to Query XML Files Using APIs in Java

With XQuery, quickly filter and aggregate XML content with a simple expression. Learn how to easily query files with XQuery expressions at scale.

March 21, 2024

by Brian O'Neill

CORE

· 11,823 Views · 5 Likes

Debugging Streams With Peek

Learn how to debug Java streams effectively using the peek() method with practical examples and tips for optimizing your code.

March 20, 2024

by Shai Almog

CORE

· 10,843 Views · 5 Likes

The Data Streaming Landscape 2024

This article presents a comparison of open-source Apache Kafka and Flink stream processing products, cloud, competition, and market trends.

March 20, 2024

by Kai Wähner

CORE

· 9,127 Views · 2 Likes

JUnit, 4, 5, Jupiter, Vintage

Explore how to deal with all versions from JUnit and how to organize your tests in your project to bring more productivity to your team.

March 20, 2024

by Jean Donato

· 9,960 Views · 6 Likes

Building a Performant Application Using Netty Framework in Java

Netty is an asynchronous, event-driven networking framework for building high-performance applications. Dive deep into Netty's various components.

March 19, 2024

by Prasanna J

· 15,128 Views · 6 Likes

Optimizing Robotics Application’s Performance

In this post, we would like to share our real-world experience in optimizing a Java application that was controlling the robots in a warehouse.

March 14, 2024

by Ram Lakshmanan

CORE

· 7,047 Views · 1 Like

Test Parameterization With JUnit 5.7: A Deep Dive Into @EnumSource

@EnumSource makes an impression of an esoteric device that can hardly feel useful. Though, for the right problem, they are priceless. Find out where they shine.

March 14, 2024

by Oliver Gondza

· 27,674 Views · 12 Likes

CRUDing NoSQL Data With Quarkus, Part Two: Elasticsearch

Part 2 of this series focuses on Elasticsearch, a distributed NoSQL database and search engine built on Apache Lucene.

March 12, 2024

by Nicolas Duminil

CORE

· 8,914 Views · 1 Like

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