OAuth 2.0 Java Guide: Secure Your App in 5 Minutes,Modern applications rely on user authentication, but it can present Java developers with a difficult challenge, as well as a rang...

Tutorial: Deploying Java EE apps on Azure (Part 1), JavaEE on Azure (3 Part Series) 1 Tutorial: Deploying Java EE apps on Azure (Part 1) 2 Tutorial: Deploying Java EE apps on Azure...

Integration testing of APIs in Spring-Boot( Java) with Junit,This post was initially shared on my blog. Read the post testing in spring boot with JUnit for beginners Shipping our p...

Inheritance and Polymorphism,Inheritance is a way to base one class on another class, like a template built from an existing template. You could create a class called 'Dog' that ac...

Building a messaging server from scratch. (Java),This requires you have good understanding of Java, ServerSocket, ClientSocket. I was motivated to build it, when i couldn't underst...

Spring Boot in Visual Studio Code,I use Visual Studio Code for everything these days. In the past couple of months alone I have used it for HMTL, CSS, JavaScript, Java, Spring, C#,...

Interface-only programming in Java,Combination of default methods in Java interface together with Monad pattern enables writing 'interface only' classes. There classes don't have s...

Build Spring Microservices and Dockerize Them for Production,In this post, you’ll learn about microservices architecture and how to implement it using Spring Boot. After creating ...

Getting started with Spring WebFlux and R2DBC in Spring Boot, Introduction In this short article I will try to introduce you to R2DBC using Spring Data R2DBC and in the world of re...

Introduction to nested classes in Java,Hi! This post is dedicated to an important concept from Java object oriented programming - nested classes. Speaking simply, nested class is a...

Asynchronous Processing in Java with Promises,The Reactive Toolbox Core library implements Promise-based asynchronous processing model somewhat similar (but not identical) to one i...

Introduction to Java streams,Hello! Both core Java and Vavr supply streams that are very handy tool and together with aforesaid Optional/Option and Try enables functional style of ...