

It also includes the following modules out of the box: One of the major features of Spring is dependency injection, which allows developing loosely coupled applications. Spring focuses on several areas of application development and provides a wide range of features. It aims to simplify enterprise Java development and helps developers build applications more effectively and efficiently. It provides a comprehensive programming and configuration model for developing enterprise level Java applications. Spring is a lightweight open-source Java development framework.

It is targeted specifically towards building web applications and microservices. Spring Boot uses Spring as its foundation layer and allows developers to build a standalone application with none or minimal configuration. To avoid starting from scratch and to save time, Spring Boot was introduced. Starting a new project usually requires going through a lengthy process and takes a lot of time.

However, over the past few years, Spring has become increasingly complex because of added functionalities. Spring is the most popular application development framework in Java.
