CompletableFuture is a class introduced in Java 8 that allows us to write asynchronous, non-blocking code. It is a powerful tool that can help us write code that is more efficient and responsive. Here’s an example of how to use CompletableFuture in Java: CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> {…

Hello everyone. Caching is one of the simplest yet complex topics and one of the basic things every programmer must understand. In this article, let me explain everything you need to know about Caching What is Caching? A cache is an intermediary data store which can be hardware or software that can serve…

Why use CQRS Pattern? How does CQRS Pattern improves scalability of your Microservice architecture. — Hello folks, if you are working on Microservice architecture and wondering what is CQRS (Command and Query Responsibility Segregation) Pattern and how it can improve your Microservices architecture then you have come to the right place. In the last few articles I have talked about essential Microservice design patterns like…

Spring Framework is a popular Java framework for building enterprise-level applications. It provides a wide range of features and functionalities that enable to develop high-performance, scalable, and maintainable applications. One of the key strengths of Spring is its support for design patterns. In this article, we will explore some of…

In the Spring framework, both @Component and @Bean annotations are used to declare beans. However, there is a difference in how they are used and their underlying concepts. What is @Component in Spring? @Component is a generic annotation that can be used to declare any Spring-managed bean, regardless of its scope or type. When a…

Often, we come across software architectural components that are part of every system design and feel as though we don’t have much understanding of them. API Gateway and Load Balancer are a couple of examples that come to mind. Most people don’t have experience working with a load balancer or…

Bending the Clean Architecture Principles — Introduction Goals and objectives vary a lot depending on your organization's goals and constraints. When I was a consultant, I was essentially “outsourced” to help with a particular project for a short period of time. You get exposed to very diverse projects and different ways of doing things. Then you realize…

Strategy Design pattern enables an algorithm’s behavior to be selected at runtime. The pattern · Defines a family of algorithms · Encapsulates each algorithm · Makes the algorithms interchangeable within that family. Below is the architecture of the strategy design pattern where the client will communicate with context. The context…

Spring Boot JWT Written by Mauricio Urraco, Full Stack Developer @ XOOR You can find the code for this tutorial here. Let’s start by catching a glimpse of the file structure of the project: File Structure spring-boot-jwt/ │ ├─ src/main/java/ │ └─ murraco │ ├─ configuration │…

SOLID Design Principle and its Explanations? Explain about Transactional Annotations? How it works ? — click here How do you create a Custom Annotation? Design a thread safe Connection pool — click here Design custom Semaphore ? — click here Difference between Http.Put, Http.Patch, Http.Post? Implement Immutable class ? Design…