Java Resources

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

· 4,237 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

· 94,692 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

· 7,396 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

· 4,822 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

· 8,476 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

· 1,022 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

· 39,752 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

· 11,145 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

· 10,352 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

· 8,690 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

· 9,301 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

· 11,181 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

· 6,735 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

· 22,805 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

· 8,511 Views · 1 Like

Mastering Exception Handling in Java Lambda Expressions

Explore exception handling in Java lambda expressions, understand the challenges involved, and provide practical examples

March 12, 2024

by Andrei Tuchin

CORE

· 14,961 Views · 5 Likes

Feature Flags and Canary Releases in Microservices

Using feature flags enables continuous and risk-free releases. In this article, we will see how to cautiously use them along with a Java example.

March 11, 2024

by Prasanna J

· 11,209 Views · 3 Likes

COBOL to JOBOL? A Poor Choice for Modernization

This article digs into the common challenges of COBOL to Java conversion and some strategies to be employed to avoid the JOBOL pitfall.

March 11, 2024

by sampath amatam

· 11,483 Views · 1 Like

Streaming Real-Time Data From Kafka 3.7.0 to Flink 1.18.1 for Processing

Flink seamlessly integrates with Kafka and offers robust support for exactly-once semantics, ensuring each event is processed precisely once. Learn more here.

March 10, 2024

by Gautam Goswami

CORE

· 11,083 Views · 2 Likes

Debugging Using JMX Revisited

Learn how to leverage JMX and Spring Boot for advanced debugging and management, enabling efficient monitoring and control of Java applications.

March 8, 2024

by Shai Almog

CORE

· 8,757 Views · 4 Likes

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