Engineering With Java: Digest #48

Handpicked and Curated: The Best Java and Spring Blogs.

Introduction 📝

• This week’s edition discusses various Java and Spring Boot topics, including Java 24’s performance improvements (e.g., AOT class loading), garbage collection, and local AI-driven applications using Quarkus.
• It covers event-driven architecture, Spring Batch’s CompositeItemReader, and the use of DTOs in API responses for better security and maintainability.
• Additionally, it explains Spring Boot’s file streaming and rate-limiting techniques. Also highlighted is the introduction of scoped values in Java 24 and how they enhance thread-local data management.
• At the end, we share an interesting open-source project and some resources for your next Java and spring boot interview questions.

Stay ahead of the curve with the latest updates in Java and Spring Boot!

Top Picks ⭐

Java 24 — Better Language, Better APIs, Better Runtime

• Nikolai Poock, a Java Developer Advocate at Oracle, introduced key features from Java 22 to 24. He highlighted improvements like AOT (Ahead-of-Time) class loading and linking, which reduces startup and warm-up times by caching runtime decisions. This can lead to significant speedups (e.g., 40% faster boot for Spring Pet Clinic) while ensuring correctness even if optimizations…