Best of Spring Framework — June 2025

1. 1
   Article

   Baeldung·46w

   Cleaning Spring Properties Files

   Spring Properties Cleaner is a Maven plugin that automatically cleans up Spring application properties files by removing duplicates, standardizing formatting, sorting keys, and extracting common properties across multiple profile-specific files. The plugin can be configured to detect issues during builds, sort properties in clustered or alphabetical order, inline prefixes for better commonality extraction, and manage vertical whitespace. It supports three extraction modes (full, consistent, multiple) for promoting properties to a common application.properties file, helping maintain cleaner and more organized configuration files in Spring projects.

   47
2. 2
   Article

   freeCodeCamp·49w

   OpenFeign vs WebClient: How to Choose a REST Client for Your Spring Boot Project

   OpenFeign and WebClient are two popular REST client options for Spring Boot applications. OpenFeign offers a declarative approach using annotated interfaces, integrates seamlessly with Spring Cloud components, and works well for synchronous microservice communication. WebClient provides a reactive, non-blocking HTTP client with fluent API design, better suited for high-throughput applications and reactive programming models. The choice depends on your architecture: use OpenFeign for traditional Spring Cloud microservices prioritizing simplicity, and WebClient for reactive applications requiring high performance and concurrent request handling.

   35
3. 3
   Article

   Baeldung·46w

   Introduction to Ambassador Design Pattern

   The Ambassador Design Pattern acts as a network proxy between clients and servers, encapsulating networking components like retry logic, caching, timeouts, and circuit breakers in a reusable component. It can be implemented as a library dependency within the same container or as a separate sidecar container exposing REST APIs. The pattern promotes code reusability and maintainability by centralizing network communication logic, but introduces potential latency and availability concerns when deployed as a separate service.

   21
4. 4
   Article

   Community Picks·46w

   History of Java: evolution, legal battles with Microsoft, Mars exploration, Spring, Gradle and Maven, IDEA and Eclipse

   Java's evolution from 1990 to present spans from its origins as Oak at Sun Microsystems to modern features like virtual threads in Java 21. Key milestones include the legal battle with Microsoft over JVM compatibility, revolutionary changes in Java 8 with lambda expressions and streams, Oracle's acquisition of Sun Microsystems, and the development of essential tools like Spring framework, Maven, Gradle, IntelliJ IDEA, and Eclipse. The language has been used in space missions including Mars rovers, and continues evolving with upcoming projects like Valhalla for value objects and Loom for enhanced concurrency.

   16

   2
5. 5
   Article

   Spring·48w

   Spring Tools 4.31.0 released

   Spring Tools version 4.31.0 has been released, bringing updates to the popular IDE extension for Spring Framework development. This release continues the evolution of Spring's development tooling to support Java developers working with Spring-based applications.

   14