Java Resources

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

· 5,041 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

· 43,268 Views · 13 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

· 5,379 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

· 6,062 Views · 1 Like

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

· 6,613 Views · 1 Like

Jakarta NoSQL 1.0: A Way To Bring Java and NoSQL Together

Jakarta NoSQL 1.0 standardizes NoSQL integration in Java with familiar annotations, a fluent API, and support for multiple NoSQL types—boosting productivity, portability.

March 26, 2025

by Otavio Santana

CORE

· 7,859 Views · 4 Likes

A Systematic Approach for Java Software Upgrades

Old is gold, and this is true in the case of software systems too. But, you need to keep them updated. This writing guides you in upgrading software systems.

March 25, 2025

by Binildas Christudas

· 4,457 Views · 1 Like

Java Reborn: Conquering Cloud-Native and Next-Gen Concurrency

Brace yourself — Java conquers cloud-native microservices, unleashes Loom’s fast concurrency, and soars with Valhalla and Panama — future-ready and fierce!

March 25, 2025

by Alok Tibrewala

· 7,795 Views · 10 Likes

Video Generation With Java: Leverage Nova and Amazon Bedrock

Learn how to generate videos using Amazon Nova on Amazon Bedrock with Java. This step-by-step guide covers AWS setup and Java code for video creation.

March 25, 2025

by Danil Temnikov

CORE

· 5,898 Views · 4 Likes

How to Get Word Document Form Values Using Java

This article discusses how the DOCX file structure stores form fields and values and suggests a few Java APIs that simplify retrieving DOCX form content.

March 25, 2025

by Brian O'Neill

CORE

· 4,410 Views · 1 Like

Leverage Amazon BedRock Chat Model With Java and Spring AI

Learn to use Amazon Bedrock to build an app that sends text prompts to a model with Spring AI. This guide covers AWS setup, Spring AI config, and Bedrock integration.

March 24, 2025

by Danil Temnikov

CORE

· 7,288 Views · 5 Likes

Writing DTOs With Java8, Lombok, and Java14+

Learn how newer Java versions and libraries like Lombok can reduce boilerplate code, simplify DTO creation, and improve development efficiency.

March 21, 2025

by Nitesh Gupta

· 7,041 Views · 1 Like

Spring Boot Gateway With Spring Cloud and WebFlux

Let's build a gateway application in Spring Boot with the help of Spring Cloud and WebFlux, using Netty as the application server.

March 21, 2025

by Vishnu Viswambharan

· 6,239 Views · 6 Likes

Stream Gatherers: Intro to Intermediate Operations Modeler

Gatherers is a new and powerful API that enhances the Stream API by modeling intermediate operations and allowing the definition of custom intermediate operations.

March 19, 2025

by Hüseyin Akdoğan

CORE

· 9,037 Views · 3 Likes

Graceful Shutdown: Spring Framework vs Golang Web Services

Discover how Spring and Golang handle graceful shutdowns, resource cleanup, and system signals. Learn the differences, pitfalls, and best practices.

March 13, 2025

by Ilia Ivankin

· 5,233 Views · 1 Like

Spring Boot Error: Creating a Bean With 'DataSource' Defined in DataSourceAutoConfiguration

Learn more about the DataSourceAutoConfiguration error in Spring Boot and how to troubleshoot it.

Updated March 13, 2025

by Javin Paul

· 215,794 Views · 12 Likes

Build a REST API With Just 2 Classes in Java and Quarkus

Quarkus enables a full CRUD API with just two classes using Hibernate ORM with Panache. No controllers or repositories needed — just define two classes, and deploy.

March 13, 2025

by Otavio Santana

CORE

· 10,682 Views · 15 Likes

Different Garbage Collectors in Java: Exploring the Options

Why are there so many Java GC algorithms? Learn about their strengths, weaknesses, and how to choose the right one for optimal performance.

March 13, 2025

by Jill Thornhill

· 5,782 Views · 7 Likes

SRE Best Practices for Java Applications

Learn SRE best practices for Java applications to ensure high availability, performance, and scalability, covering monitoring, logging, security, and more.

March 12, 2025

by Reza Ganji

CORE

· 8,396 Views · 10 Likes

Migrating Java Microservices to Go: A Comprehensive Guide

Migrating Java microservices to Go boosts performance, scalability, and efficiency with faster execution and lightweight concurrency while ensuring seamless integration

March 11, 2025

by Sairamakrishna BuchiReddy Karri

· 7,301 Views · 4 Likes

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