What is Spring Boot 2+?

Spring Boot is a framework that simplifies the development of Java-based enterprise applications. It provides a simplified configuration model, embedded servers (like Tomcat, Jetty, or Undertow), and auto-configuration features that streamline the process of setting up and running Spring applications. It is commonly used for building microservices, REST APIs, and web applications with minimal boilerplate code. Spring Boot 2+ refers to versions 2 and higher of the framework, incorporating significant performance improvements, feature enhancements, and dependency upgrades compared to earlier versions.