Java Resources

Java’s Next Act: Native Speed for a Cloud-Native World

The Graal Stack reinvents Java for the cloud era, combining GraalVM, Micronaut and GraalOS to deliver ultra-fast, lightweight, and serverless-ready applications.

April 30, 2025

by Graziano Casto

CORE

· 8,439 Views · 7 Likes

Understanding Java Signals

Learn the challenges of the Observer pattern in Java and how it can be improved with Signals for clearer, more reusable code, using a Todo app as an example.

April 29, 2025

by STEPHEN Maina

· 6,390 Views · 5 Likes

How to Convert Between PDF and TIFF in Java

In this article, we highlight both the overlap between PDF and TIFF files in certain industries and suggest a few APIs to convert to and from each format.

April 28, 2025

by Brian O'Neill

CORE

· 6,218 Views · 3 Likes

Analyzing “java.lang.OutOfMemoryError: Failed to create a thread” Error

Java applications may throw the error “java.lang.OutOfMemoryError: Failed to create a thread: retVal” when they cannot create a thread.

April 25, 2025

by Harish Kumar Murugesan

· 7,944 Views · 4 Likes

Java's Quiet Revolution: Thriving in the Serverless Kubernetes Era

Java evolves for serverless Kubernetes with Quarkus and Loom, tackling microservices and events, with cold start hurdles but a strong future in cloud-native apps.

April 25, 2025

by Alok Tibrewala

· 9,398 Views · 3 Likes

Why Testing is a Long-Term Investment for Software Engineers

Testing ensures quality, guarantees behavior, and enables safe refactoring—it's a long-term investment every serious software engineer should make.

April 24, 2025

by Otavio Santana

CORE

· 5,985 Views · 7 Likes

Stateless vs Stateful Stream Processing With Kafka Streams and Apache Flink

Concepts and benefits of stateless and stateful stream processing with Kafka Streams and Apache Flink vs. databases and data lakes.

April 21, 2025

by Kai Wähner

CORE

· 7,260 Views · 4 Likes

How Spring and Hibernate Simplify Web and Database Management

Spring simplifies web development, and Hibernate streamlines database management — together, they make Java app development quicker, scalable, and easy.

April 16, 2025

by Sukhwinder Singh

· 7,400 Views · 2 Likes

Debugging Deadlocks Using Java Synchronization Aids

This article explains how to isolate and test concurrent operations that led to deadlock and demonstrates how CountDownLatch and CyclicBarrier could help achieve this.

April 16, 2025

by Horatiu Dan

CORE

· 8,148 Views · 10 Likes

Java 23 Features: A Deep Dive Into the Newest Enhancements

Dive into this overview of significant changes in Java 23, focusing on the most notable JEPs (JDK Enhancement Proposals).

April 16, 2025

by Arkadiusz Rosloniec

· 7,755 Views · 5 Likes

Introducing SmallRye LLM: Injecting Langchain4J AI Services

A quick guide on how Microprofile developers can leverage the power of CDI and Microprofile features on their Langchain4J AI Services in their enterprise applications.

April 14, 2025

by BUHAKE SINDI

CORE

· 7,224 Views · 6 Likes

Java UDFs and Stored Procedures for Data Engineers: A Hands-On Guide

See how to build Java-based stored procedures and UDFs in Snowflake using Snowpark APIs for scalable, efficient data workflows, including async processing and file handling.

April 10, 2025

by Fawaz Ghali, PhD

CORE

· 7,376 Views · 3 Likes

Understanding Structured Concurrency in Java

Java's structured concurrency simplifies concurrent programming by automating cancellation, preventing thread leaks, and improving task management.

April 8, 2025

by Ammar Husain

CORE

· 8,160 Views · 4 Likes

Fixing OutOfMemoryErrors in Java Applications

In this guide, learn how to fix OutOfMemory errors in your Java programs with practical strategies from an experienced programmer.

April 4, 2025

by Pratik Dwivedi

· 9,105 Views · 5 Likes

How to Create Dialog Boxes in Java

Follow a simple tutorial for creating dialog boxes in Java using the JOptionPane and JDialog methods, and learn the high-level advantages of each approach.

April 3, 2025

by DZone Editorial

· 9,188 Views · 4 Likes

Injecting Implementations With Jakarta CDI Using Polymorphism

Use Jakarta CDI to inject implementations at runtime with Instance and qualifiers for clean, extensible, polymorphic designs without violating the Open/Closed Principle.

April 3, 2025

by Otavio Santana

CORE

· 6,380 Views · 1 Like

How to Build a New API Quickly Using Spring Boot and Maven

Realizing that not all use Gradle, I thought I would demonstrate how quickly a RESTful API can be created by leveraging ChatGPT, Spring Boot, Maven, and Heroku.

April 1, 2025

by John Vester

CORE

· 51,315 Views · 15 Likes

From Ruby on Rails to Spring Boot

When I migrated from Rails to Spring Boot, I lacked content to guide me without having to go through all of the basics of a web framework. So, I wrote this tutorial.

March 31, 2025

by Lidiane Taquehara

· 6,244 Views · 3 Likes

Real-World Garbage Collection Scenarios and Solutions

Is GC tuning in Java really worthwhile? Real-life case studies show dramatic performance improvements with small tweaks to GC tuning.

March 28, 2025

by Jill Thornhill

· 7,251 Views · 2 Likes

Using Heap Dumps to Find Memory Leaks

This guide covers heap dump collection methods, memory leak detection strategies, JVM memory warning signs, and best practices for Java memory optimization.

March 27, 2025

by Pratik Dwivedi

· 9,003 Views · 1 Like

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