Tutorial for the Spring Security OAuth2 integration with the Spring WebClient to enable OAuth2 login for a Spring Web (Servlet) application

Learn about Eureka's Self Preservation and Renewal features

A Spring boot application with Spring Security. In this post, I show to secure your web application with Spring Security.

In this article I'm comparing a few selected features of Kotlin to provide summary in topic of Kotlin vs Java.

How to Use Spring Cloud Circuit Breaker

I show the skills that a senior engineer possesses and how the senior engineer can lead a team. On being a senior software engineer.

Amazon CloudWatch is a monitoring and observability service in the AWS Cloud. In this article, we will generate different types of application metrics in a Spring Boot web application and send those metrics to Amazon CloudWatch. Amazon CloudWatch will store…

Learn how the SQL CROSS APPLY works and how you can use it to associate rows belonging to a correlated subquery and build compound results.

This tutorial explains more about Java Reactive Programming & Mono vs Flux comparison, creating sequences using Mono & Flux.

Spring Web applications and services need to process client requests sent over HTTP. When the HTTP clients send data with the request, the data is in the request body. On the application side, you need…

The Spring Ioc container is at the core of the Spring Framework. BeanFactory and ApplicationContext provide implementations of the IoC container. Both BeanFactory and ApplicationContext are interfaces and there are several implementations that come out…

For a One-to-One relationship in JPA, each entity instance is related to a single instance of another entity. It means each row of one entity is referred to one and only one row of another…

Spring Data JPA maps database views in almost the same way as tables. But there are 2 things you should do to avoid bugs and improve the performance.

<p>Hi, Spring fans! I am still reeling from the craziness of last week’s SpringOne event! That doesn’t mean that the world’s stood still in the interim though! Quite the contrary! There’s a ton of things to get to this week so without further ado let’s go!…

Plans for Spring 6.0, structured logging, subtleties of soft-deletion in Hibernate, event-sourcing at Netflix, GCToolkit from Microsoft, and beautiful Powershell!

In this article, we'll create an application with WebSocket and test it using Postman.