Practical writing on Java, Spring, AI, and the craft of software engineering.
If you're building with Java and Spring (or trying to figure out where AI fits into your development workflow) you're in the right place. I write practical, beginner-friendly deep dives on Spring Boot, Spring AI, and software engineering fundamentals, collected here in chronological order.
Filtering by tag: Spring Boot
Learn Spring & Spring Boot: A Free Crash Course for Beginners
New to Spring? This free crash course shows you where to start, whether to learn Spring or Spring Boot first, and how to build your first Spring Boot app.
Building Command Line Applications in Spring with Spring Shell
In this introduction to Spring Shell, you will learn you how to build CLI applications in a familiar programming environment using Java + Spring.
GraphQL Scalars - How to use Custom Scalars in Java
Learn how to use GraphQL custom scalars in Java. We build a Spring Boot 3 app with Spring for GraphQL and register the BigDecimal and LocalDateTime scalars.
Easily Implement UUIDs as Primary Keys in Spring Boot 3
In this tutorial you will learn how to use one of the new features in Jakarta EE 10 in a Spring Boot 3 application.
Spring @Configuration proxyBeanMethods: Why Set It to False
Setting proxyBeanMethods = false on @Configuration drops the CGLIB proxy Spring adds. Learn why it matters for native images and how to refactor your beans.
Spring Response Entity - How to customize the response in Spring Boot
In this tutorial, you will learn what the ResponseEntity class is and how it can be used to customize the response in your Spring Boot application.
AWS Lambda SnapStart for Spring Developers
AWS Lambda SnapStart is a new performance optimization developed by AWS that can significantly improve the startup time for your applications.
What's new in Spring Security 6
In this article we will discuss the new features of Spring Security 6 and create a new Spring Boot 3 project together.
Spring Boot REST API Domain Class Converter
In this tutorial, you will learn about a class called the Domain Class Converter in Spring Data. This class will allow you to take arbitrary input like an id from a path variable in a REST API and automatically create a domain object by using Spring Data's CrudRepository.