Big O notations help us to represent an algorithm or a program’s efficiency. In this article, we will see 3 basic Big O notations O(1), O(n) and O(log n) with simple explanations and examples with code snippets.
2021-01-17
Step by step instructions to secure REST API using OAuth 2.0 protocol + Spring Security 5 + Auth0 (Identity as a Service - Platform)
2021-02-07
We deal with lot of workflow use cases. Most of the time, it all procedural code or we use BPMN workflow tools. Most of the common workflow use cases don't require a BPMN tool/framework. This article explains design pattern to implement workflow use case which is easier to test and maintain.
Spring REST APIs are secured using OAuth 2.0 + JWT. Information available in JWT is parsed and added to Spring Security Context. When we need to make an Async call or send a JMS message, Spring Security Context needs to be propagated. How do we do that?
This tutorials walks through various best practices and design considerations while developing REST APIs.
If you have heard about Behavior Driven Development (BDD) and looking to learn how to do BDD using Java, Spring Boot and Cucumber, you are at the right place. This hands on guide will help you learn on how to setup Java Spring Boot project with Cucumber, different patterns for creating feature files, techniques to reuse + reduce step definitions code. It also teaches you on how to apply the patterns and techniques when creating feature files and step definitions to test various types of APIs all in a pragmatic way.