Learn design patterns and principles for Object-oriented programming to make your software scalable and easy to maintain

SSLContext Exception in Android Kitkat. In this post, I show how to resolve SSLContext exception with TLSv1.2 in android Kitkat.

Learn how to generate OpenAPI 3.0 specifications for a Spring REST API using SpringDoc.

Basics of Blockchain. In this post, I describe what blockchain is and why it is getting so popularity lately. Blockchains.

Introduction Spring 3 introduced the Spring Expression Language (SpEL) which has a syntax similar to Unified EL. It can save you a lot of coding, because you can dynamically assign values at runtime. The folks…

Learn how to send transactional and marketing e-mails created with SendGrid from your Spring Boot application using their SDK

In this article, we introduce different types of @RequestMapping shortcuts for quick web development using traditional Spring MVC framework.

<p>Hi, Spring fans! Welcome to another installment of <em>This Week in Spring</em>! We’ve got a <em>ton</em> to get into, so let’s gooo!</p>
<ul>
<li><a href="https://twitter.com/JavaAtMicrosoft/status/1384914839005401095">Learn how to enable asynchronous…

ArrayList is one of the most commonly used collection classes of the Java Collection Framework because of the functionality and flexibility it provides. ArrayList is a List implementation that internally implements a dynamic array to…

This tutorial explains Circuit Breaker Pattern, one of the Microservice Design Patterns for designing highly resilient Microservices using resilience4j.

An extensive list of things to think through when starting a new Java-based software project.

Learn to create, and deploy, a full CRUD application with React and Spring Boot.

Learn how to obtain configuration properties for your Spring Boot application using the Parameter Store of the AWS Systems Manager (SSM)

<p>Ready to take Spring Boot apps to the happiest place on earth - production at enterprise scale - with Azure Spring Cloud and without worrying about infrastructure, application life cycle, monitoring, container intricacies, Kubernetes. Join <strong>Microsoft’s…

Pagination in a Spring REST Service - URI structure and best practice, Page as Resource vs Page as Representation.

Learn how to index JSON data using MySQL virtual columns and speed up SQL queries that need to fetch JSON attributes.

Error handling and logging in REST API based on Spring Boot.

This article shows why and how to use Spring Actuator and jq JSON processor to explore a new Spring Boot application.

<p>Hi, Spring fans! Welcome to another installment of A Bootiful Podcast. In this installment, <a href="https://twitter.com/starbuxman">Josh Long (@starbuxman)</a> talk to Oracle’s <a href="https://twitter.com/dilipkrish">Dilip Krishnan (@dilipkrish)</a>…

Learn how to return HTML from a Spring MVC controller.

Nomad is a little less popular HashiCorp’s cloud product than Consul, Terraform, or Vault. It is also not as popular as competitive software like Kubernetes and Docker Swarm. However, it has its advantages. While Kubernetes is specifically focused on Docker…