Spring Boot is a microframework that allows you to develop a new Spring application
quickly. Spring Boot, a pre-sugared, pre-configured collection of technologies,
provides the easiest way to begin a Spring project while eliminating boilerplate
configuration.
In other words, Java Spring Framework (Spring Framework) is a well-known,
open-source, enterprise-level framework for developing standalone, production-grade
applications that run on the Java Virtual Machine (JVM).