Java Resources

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

· 9,382 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

· 1,321 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

· 40,427 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

· 11,869 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

· 10,893 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

· 9,174 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

· 10,027 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

· 15,281 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

· 7,091 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

· 27,969 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

· 8,955 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

· 17,114 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

· 12,309 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

· 13,663 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

· 11,895 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

· 9,224 Views · 7 Likes

Harnessing the Power of SIMD With Java Vector API

In this article, explore Vector API, a feature that allows harnessing the power of SIMD (Single Instruction, Multiple Data) directly within Java applications.

March 7, 2024

by Andrei Tuchin

CORE

· 22,063 Views · 8 Likes

Java Thread Dump Analysis

Learn more about how thread dump analysis is a traditional approach followed to analyze the performance bottlenecks in Java-based applications.

March 7, 2024

by Harish Kumar Murugesan

· 14,238 Views · 4 Likes

Automatic Snapshots Using Snapshot Manager

For AWS Kinesis Data Analytics (KDA), use the Flink Snapshot Manager to automatically snapshot applications, delete old snapshots, and more.

March 7, 2024

by Shailendra Suryawanshi

· 7,869 Views · 6 Likes

Spring RestTemplate to WebClient Causes OutOfMemoryError

Spring Boot is a highly popular framework for Java enterprise applications. We will be analyzing the WebClient crash issues along with how to troubleshoot and fix them.

March 1, 2024

by Ram Lakshmanan

CORE

· 11,994 Views · 1 Like

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