First of all, let's start by clearing up a few misconceptions regarding Spring Boot:

• Spring Boot is not a code generation framework. It does not generate any code.
• Spring Boot is neither an application server nor a web server. It provides good integration with different ranges of applications and web servers.
• Spring Boot does not implement any specific frameworks or specifications.

These questions still remain:

• What is Spring Boot?
• Why is it one of the best options available in terms of building Java applications today?

To answer these questions, let's build a quick example. Let's consider an example application that you want to quickly prototype.