Java Resources

Automated Deployment Using a CI/CD Pipeline (Mule 4 | CloudHub 2.0)

This tutorial demonstrates automated deployment using a CI/CD pipeline with Mule 4. It shows how code pushed to a Git repository triggers deployment automatically.

January 7, 2026

by ARINDAM GOSWAMI

· 2,502 Views · 1 Like

Securing Verifiable Credentials With DPoP: A Spring Boot Implementation

DPoP binds access tokens to a client's key so even if intercepted, they can't be misused. It's mandatory for EUDI/HAIP 1.0 and supported since Spring Boot 3.5.

January 5, 2026

by Kyriakos Mandalas

CORE

· 3,779 Views · 4 Likes

How to Perform Response Verification in REST-Assured Java for API Testing

Explore the various methods for extracting and verifying the API response body using the Rest-Assured framework in Java for API Testing.

January 5, 2026

by Faisal Khatri

CORE

· 2,886 Views · 1 Like

Best Date Conversion Approaches in Java 8+

Java 8’s java.time API finally fixed the long-standing problems of Date and Calendar, but real applications still require constant conversion between time zones.

January 5, 2026

by Muhammed Harris Kodavath

· 2,871 Views · 2 Likes

Optimizing Java Applications for Arm64 in the Cloud

In the first part of this series, learn how to tune the JVM for cloud workloads, optimize heap sizing, CPU usage, and more for better Java performance.

December 26, 2025

by Dave Neary

· 3,692 Views · 6 Likes

Virtual Threads in JDK 21: Revolutionizing Java Multithreading

The introduction of Virtual Threads in JDK 21 represents a major milestone for Java’s concurrency ecosystem. Understand the basics and best practices in this article.

December 15, 2025

by Jiwan Gupta

· 3,117 Views

How to Test POST Requests With REST Assured Java for API Testing: Part II

In this second part, learn how to use JSON Files, the Builder design pattern with the Datafaker library in Java, to test a POST API Request with REST Assured.

December 12, 2025

by Faisal Khatri

CORE

· 2,077 Views · 4 Likes

Designing Java Web Services That Recover From Failure Instead of Breaking Under Load

Failures happen constantly in web backends. This article explains how to design Java services that recover quickly instead of breaking under load.

December 9, 2025

by Krishna Kandi

· 2,981 Views · 5 Likes

Stop Writing Excel Specs: A Markdown-First Approach to Enterprise Java

Shift design specs from Excel to Markdown and let AI generate Java while preventing drift and cutting development time by 55%.

December 3, 2025

by Dippu Kumar Singh

· 4,416 Views · 2 Likes

Web App Load Testing Using Maven Plugins for Apache JMeter, and Analyzing the Results

How to perform a complete load-testing with Java Maven and processing the performance metrics through a dedicated POM file

December 2, 2025

by Vincent DABURON

· 6,753 Views · 3 Likes

JDK 17 Memory Bloat in Containers: A Post-Mortem

Upgrading from JDK 8 to JDK 17 spiked container memory from ~50% to 100% due to excessive JVM threads, glibc malloc arenas, and G1GC native allocation.

December 2, 2025

by Saumya Tyagi

· 11,702 Views · 11 Likes

From Repetition to Reusability: How Maven Archetypes Save Time

Teaching teams to rely on Maven archetypes means less setup, fewer errors, and more time spent on solving real problems.

November 28, 2025

by Soham Sengupta

· 3,723 Views · 3 Likes

How to Test POST Requests With REST Assured Java for API Testing: Part I

Test POST requests with REST Assured for API testing with this step-by-step guide for software test automation engineers, designed to build reliable API tests.

November 25, 2025

by Faisal Khatri

CORE

· 4,264 Views

Building a Retrieval-Augmented Generation (RAG) System in Java With Spring AI, Vertex AI, and BigQuery

Build a Java RAG application using Spring Boot, Vertex AI embeddings, BigQuery vector search, and a web UI for interactive PDF-based question answering.

November 24, 2025

by Mohammed Fazalullah Qudrath

· 6,467 Views · 7 Likes

Architectural Evidence in Enterprise Java: Making Domain-Driven Design Visible

Use CDI stereotypes + JMolecules annotations to make DDD architecture explicit, enforceable, and testable. This preserves design intent as your Java system evolves.

November 24, 2025

by Otavio Santana

CORE

· 5,760 Views · 4 Likes

Building a Containerized Quarkus API on AWS ECS/Fargate With CDK

Build production-ready Quarkus API on AWS ECS with CDK Infrastructure as Code. Includes database integration, caching, and comprehensive testing.

November 18, 2025

by Nicolas Duminil

CORE

· 4,760 Views

From Symptoms to Solutions: Troubleshooting Java Memory Leaks and OutOfMemoryError

Learn to detect, isolate, and fix Java memory leaks and OutOfMemoryError with practical tips, tools, and heap dump analysis for better performance.

November 18, 2025

by Ram Lakshmanan

CORE

· 3,826 Views · 1 Like

When Memory Overflows: Too Many ApplicationContexts in Spring Integration Tests

Spring Boot makes integration testing incredibly convenient: you have the entire application up and running in your test. But sometimes you can see memory usage spikes.

November 13, 2025

by Constantin Kwiatkowski

· 4,229 Views · 7 Likes