Who this book is for
This book is designed for both novices and experienced Spring developers who want to get their hands on Spring Boot 3.0. You should have a rudimentary understanding of Java, preferably Java 8 or higher. Being familiar with lambda functions, method references, record types, and the new-and-improved collections API found in Java 17 is a bonus, but not required.
Having used previous versions of Spring Boot (1.x, 2.x) is not required but would be handy.