Java Resources

Explore different JVM Docker container image size optimizations through experiments with base images and the creation of custom JRE, jlink, and jdeps.

November 16, 2023

by Illia Pantsyr

· 13,616 Views · 21 Likes

Performance of ULID and UUID in Postgres Database

Don't know what data type to use for the primary key in Postgres? Let's take measurements for UUID and ULID and decide which is better.

November 15, 2023

by Artem Artemev

· 16,179 Views · 10 Likes

The Resurrection of Virtual Threads: Unraveling Their Journey From JDK 1.1 to JDK 21

As we move forward, virtual threads provide an efficient concurrency model, propelling Java into a new era of multi-threading.

November 15, 2023

by Roopa Kushtagi

· 5,485 Views · 10 Likes

Spring OAuth Server: Authenticate User With user-details Service

Explore the integration of spring-oauth-server with user-details service, authenticate, and create User. Customize token claims with user-details.

November 14, 2023

by Naveen Maanju

· 4,751 Views · 1 Like

OAuth2/OpenID for Spring Boot 3 and SPA

Take an in-depth look into user authentication and role-based access control in a Single Page Application with OIDC and a Spring Boot 3 backend.

Updated November 13, 2023

by Jerome Wacongne

· 43,447 Views · 9 Likes

Mastering Java Persistence: Best Practices for Cloud-Native Applications and Modernization

From polyglot databases to paradigm integration, success in Java Persistence hinges on smart choices, seamless integration, and adaptability to evolving needs.

November 13, 2023

by Otavio Santana

CORE

· 7,600 Views · 8 Likes

How to View/Open PST Files Without Outlook Using Best Methods

Some of the most popular methods for opening PST files. Learn how to view or open PST files without relying on an Outlook application using C, Java, and PST Viewer Tools.

November 13, 2023

by Mithilesh Tata

CORE

· 4,129 Views · 1 Like

Java Library Development

The 'java-library-template' is a comprehensive solution for Java library developers that simplifies every aspect of library creation and maintenance.

November 9, 2023

by Hartmut Armbruster

· 4,363 Views · 1 Like

Containerizing Ballerina GraalVM Executable

This article is written using Ballerina Swan Lake Update 7(2201.7.0). We will explore how to containerize a GraalVM native executable for a ballerina application.

November 8, 2023

by Tharmigan Krishnananthalingam

· 4,589 Views · 2 Likes

How To Convert ODF Files to PDF in Java

Discover how it is easier to convert ODF content to PDF with free API solutions at our disposal like ODF, an alternative to licensed office application suites.

November 6, 2023

by Brian O'Neill

CORE

· 8,541 Views · 2 Likes

Exploring Lightweight Concurrency With Virtual Threads: A Developer-Agnostic Perspective

Virtual threads simplify concurrent programming, enhance scalability, and optimize resource usage in complex applications.

November 6, 2023

by Arun Pandey

CORE

· 5,142 Views · 2 Likes

Limited Conversations With Distributed Systems

Rate limiting is a mechanism used to control consumption over time. This consumption over time is known as the rate. Read more!

November 3, 2023

by Chinomso Ikwuagwu

· 5,358 Views · 1 Like

Querydsl vs. JPA Criteria, Part 5: Maven Integration

The first part takes a look at the Maven setup of Querydsl framework with Java EE and Jakarta. The second part sheds light on Querydsl solution with Maven classifiers.

November 3, 2023

by Arnošt Havelka

CORE

· 8,162 Views · 4 Likes

JBang: How to Script With Java for Data Import From an API

Faster development time in Java by writing standard syntax and skipping the project setup with JBang scripting to pull data from an API.

November 3, 2023

by Jennifer Reif

CORE

· 7,423 Views · 3 Likes

Garbage Collection Analysis: OpenJDK and GraalVM

In this article, we will be discussing and analyzing the garbage collection mechanisms of GraalVM and OpenJDK.

November 2, 2023

by Unni Mana

· 4,970 Views · 1 Like

Harness the Power of Quarkus and HarperDB for Efficient Data Management

In this tutorial, learn how to build a Quarkus-based microservice API integrated with HarperDB, a robust, high-performance database.

November 1, 2023

by Otavio Santana

CORE

· 7,098 Views · 3 Likes

Developing Brain-Computer Interface (BCI) Applications With Java: A Guide for Developers

BCIs enable brain-device communication; Java aids development with libraries; challenges include signal quality and ethics.

November 1, 2023

by Arun Pandey

CORE

· 7,458 Views · 4 Likes

Top 40 Java 8 Interview Questions With Answers

The main goal of this article was to provide you with a comprehensive set of Java 8 interview questions and answers to help you excel in your Java 8 interviews.

November 1, 2023

by Gyan Mishra

· 12,678 Views · 2 Likes

Cron Jobs vs. WatchService

A technical discussion on cron jobs and WatchService in a Spring Boot application. Various solutions are discussed in this article.

November 1, 2023

by V W

· 4,567 Views · 4 Likes

Simplifying Data Entities in Spring Data With Java Records

Java developers have been relying on Spring Data for efficient data access. With the Java records, the way data entities are managed has significantly changed.

October 30, 2023

by Reza Ganji

CORE

· 6,014 Views · 4 Likes

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