Spring Framework-brief explanation of the most popular Java framework

Spring Framework is definitely the most popular Java framework, so knowledge of it is crucial for everyone who want to become or who actually is a Java Developer.

The most of job offers for Java Software Engineers has Spring knowledge as requirement.

In this article I want to give you brief explanation what Spring Framework is and explain it's infrastructure and functions.

Explanation

Firstly, we have to understand what is a framework.

Framework

A structure which helps build software in easier and faster way than without it. It provides a basic backbone of application, so there is no reason to start building an app from scratch.

More about framework definition you can read in my another article

Spring Framework vs Spring Boot

Spring Framework is a framework which provides a tons of ready-to-use tools which standalone implementation could takes a lot of time and require specified skills. It is abstraction level for building web applications.

Spring Boot is a "package", which contains Spring Framework, configuration and web app "server".

If you create application with Spring, for 99% sure you use Spring Boot as complete tool.