Java Resources

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

· 227,843 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

· 13,567 Views · 16 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

· 11,068 Views · 9 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

· 11,194 Views · 12 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

· 9,392 Views · 5 Likes

Floyd's Cycle Algorithm for Fraud Detection in Java Systems

Floyd’s Cycle Algorithm detects cyclic patterns in graphs to help identify fraudulent transaction loops in financial systems and prevent money laundering.

March 7, 2025

by Sulakshana Singh

· 7,048 Views · 1 Like

How to Use JavaScriptExecutor in Selenium

This tutorial blog provides a detailed explanation and code example to use JavaScriptExecutor in Selenium WebDriver with Java.

March 7, 2025

by Faisal Khatri

CORE

· 5,664 Views · 2 Likes

Enhanced Query Caching Mechanism in Hibernate 6.3.0

A comparison of traditional query caching against enhancements in Hibernate 6.3.0 and the features introduced in the latest version.

March 6, 2025

by Karthik Kamarapu

· 6,734 Views

How to Read and Parse a JSON File in Java

JSON is the simple format for storing and sending data. It is used when the data is transported from the server to the Webpage.

Updated March 6, 2025

by Mahesh Sharma

· 102,032 Views · 5 Likes

Exploring Embeddings API With Java and Spring AI

Exploring how to build a Spring AI application that uses OpenAI's embeddings API to find the most relevant products based on user input.

February 28, 2025

by Danil Temnikov

CORE

· 12,156 Views · 10 Likes

Thread-Safety Pitfalls in XML Processing

Or how to shoot yourself in the foot with Java Streams. Learn thread-safety pitfalls in Java’s DOM and Stream APIs — and practical strategies to avoid concurrency issues.

February 28, 2025

by Volodya Lombrozo

· 10,179 Views · 3 Likes

Micronaut vs Spring Boot: A Detailed Comparison

Micronaut is efficient, lightweight, and fast, making it a strong alternative, but Spring Boot remains dominant due to its robust, mature ecosystem and community support.

February 27, 2025

by Sulakshana Singh

· 16,171 Views · 5 Likes

Handling Embedded Data in NoSQL With Java

Handle embedded data in NoSQL with Java using Jakarta NoSQL. Compare flat vs. grouped structures using @Embeddable to optimize document storage and querying in MongoDB.

February 27, 2025

by Otavio Santana

CORE

· 6,916 Views · 5 Likes

How to Quarantine a Malicious File in Java

Quarantining malicious files has advantages over outright deleting. With the right tools, we can store malicious content in an isolated directory.

February 24, 2025

by Brian O'Neill

CORE

· 7,499 Views · 3 Likes

Hexagonal Architecture: A Lyrics App Example Using Java

How do we use Hexagonal Architecture, and what role does it already play in software development? Let's find out in this article!

February 21, 2025

by Joao Esperancinha

· 10,085 Views · 8 Likes

Building a Simple RAG Application With Java and Quarkus

With Java’s versatility and Quarkus’s cloud-native optimizations, you can build high-performance, scalable applications that seamlessly integrate AI-driven features.

February 21, 2025

by Daniel Oh

CORE

· 9,217 Views · 6 Likes

Apache Flink: Full Checkpoint vs Incremental Checkpoint

This article will analyze the benefits a streaming application can gain when configured to run with incremental checkpointing.

February 17, 2025

by Josson Paul Kalapparambath

· 7,909 Views · 1 Like

How Java Servlets Work: The Backbone of Java Web Apps

Learn about Servlets and how they enable developers to build web apps in Java. It discusses a Servlet's lifecycle and request/response handling process in Java.

February 13, 2025

by Seven S Cerqueira

· 7,150 Views · 6 Likes

A Guide to Constructor Chaining in Java

Constructor chaining in Java simplifies initialization and improves reusability by allowing one constructor to call another within a class or through inheritance.

February 13, 2025

by DZone Editorial

· 7,666 Views · 3 Likes

Spring Data Neo4j: How to Update an Entity

Several options for updating data with a Spring application. This post walks through some examples using the default save method, custom queries, and projections.

February 10, 2025

by Jennifer Reif

CORE

· 7,770 Views · 2 Likes

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