Tech Reference

What is JUnit? JUnit is a widely used testing framework for Java applications. It provides annotations, assertions, and test runners to simp...

  What are REST services ? REST (Representational State Transfer) is an architectural style for building web services that interact using st...

What is SpringBoot ? How it is different from Spring framework ? Spring Boot is an extension of the Spring Framework that simplifies  the de...

Spring Framework 6,  released on November 2022 , is the major version change and has many high-impacting features, changes and upgrades into...

When breaking the business functionality into several smaller logical pieces of code, it becomes necessary to think about how to collaborate...

When an application is broken into smaller microservices, it brings in few challenges that needs to be addressed. These include abstracting ...

Microservices are getting more and more popular these days. Many companies are migrating their monolith applications to microservices. Howev...

Overview: Two Sum is a programming problem where you are given an array and a target value and you have to find the indices of the elements ...

Most IT applications need scheduled processing e.g. maintenance, data flow, clean up etc. which are not initiated by user action. To handle...

Converting data from one form to another is a highly utilized concept in IT industry. MapStruct allows annotation based bean conversion by ...