Java Code Geeks Java Developers Resource Center

“I love writing authentication and authorization code.” ~ No Java Developer Ever. Tired of building the same login screens over and over? Try the Okta API for hosted authentication, authorization, and multi-factor auth. React Native is a framework for building mobile applications with React. React allows you to use a declarative style of programming to describe how your UI should ...

A little more than a year ago, we were anxiously awaiting the arrival of the newly modular Java 9. Around the same time, a new release cycle was introduced that would see new version releases every 6 months, with long-term support (LTS) releases coming only once every 3 years (or once every 6 versions).   According to a recent study ...

Do you want to know what is the best investment you can make with your time and money? Knowledge As a software developer you should be constantly acquiring new skills. This is the best way to advance your career and enjoy the rewards (monetary, emotional etc.). Towards that direction you should be reading books, devouring technical articles and staying informed ...

When Foreach initially stepped on the microservices wagon, we didn’t really build microservices. We thought we did, but there was always some logic present in all of our services. Of course, every service should really only focus on its own tasks and not on things that belong to another microservice. The most obvious thorn in our side was authentication and authorization logic. At a certain point, we had a couple of “micro”-services that verified the Authorization headers of ...

In my previous article from this series we introduced a use case around integration being the key to transforming your customer experience. The process was laid out how I’ve approached the use case and how I’ve used successful customer portfolio solutions as the basis for researching a generic architectural blueprint. The only thing left to cover was the order in which ...

Abstract I have already posted a number of blogs about Derby: Multiple Derby Network Servers on the same Host Apache Derby Database Users and Permissions Integration Testing with Maven and an In-Memory Derby Database This wasn’t intended to be a series. But over the years I’ve been using Derby more and more. Recently, I started using Derby as my database ...

It is more than a year since Oracle announced the transfer of Java™ EE to Eclipse Foundation at JavaOne 2017. Since then, a lot has happened: Java™ EE 8 API and implementation projects have been set up under EE4J. The Eclipse GlassFish 5.1 release is approaching. A brand new Jakarta EE specification process is right around the corner. Community shows ...

When we create a variable in both parent and child class with the same name, and try to access it using parent’s class reference which is holding a child class’s object then what do we get? In order to understand this, let us consider below example where we declare a variable x with the same name in bothParent andChild classes. class ...

This is part 5 of the series called “Functional Java by Example”. In previous part we stopped mutating our documents and returned copies of the data. Now, we need to move some I/O away. If you came for the first time, it’s best to start reading from the beginning. It helps to understand where we started and how we moved ...

What to automate? Which parts of the delivery process are good candidates? Which applications will benefit from automation? At first, those sound like silly questions. Automate all your repetitive processes. If you think that you’ll do the same thing manually more than once, automate it. Why would you waste your creative potential and knowledge by doing things that are much ...

Ack: This article is a remix of stuff learned from personal experience as well as from multiple other sources on serverless security. I cannot list down or acknowledge all of them here; nevertheless, special thanks should go to The Register, Hacker Noon, PureSec, and the Serverless Status and Serverless (Cron)icle newsletters. We all love to imagine that our systems are ...

You might have heard about Spring Boot and it’s magical powers about creating a Spring Web application in just under 140 characters which can be written in a tweet, but what that really means? What are those features which provide Spring Boot such power and make Spring application development so easy? Well, that’s what you will learn in this article, but ...