Spring I/O Courses

Null Safety in Java with JSpecify and NullAway

Discover how JSpecify annotations and NullAway tools prevent NullPointerException at compile time, making Java applications more reliable and turning null handling into a useful feature.

• YouTube
• 41 minutes
• Self-Paced
• Free Video

Unlocking the Unknowns - Cryptography Essentials for Spring Developers

Master cryptographic principles for Java applications including encryption, hashing, secure key management, and common pitfalls to avoid when protecting sensitive data.

• YouTube
• 52 minutes
• Self-Paced
• Free Video

Life with Spring Boot inside a Monorepo

Discover how Salesforce manages hundreds of Spring Boot microservices in a monorepo using Bazel, covering governance, CI practices, and build optimization techniques.

• YouTube
• 37 minutes
• Self-Paced
• Free Video

Say Goodbye to Microservices, Say Hello to Self-Contained Systems

Explore Self-Contained Systems (SCS) as an alternative to microservices, offering simpler development with independent components that include UI, logic, and database, reducing distributed system complexity.

• YouTube
• 47 minutes
• Self-Paced
• Free Video

Hexagonal Architecture in Practice - Live Coding That Will Make Your Applications More Sustainable

Dive into hands-on Hexagonal Architecture through live coding to create adaptable, sustainable applications that effectively manage complexity and technical debt.

• YouTube
• 47 minutes
• Self-Paced
• Free Video

Practical Agentic RAG with SpringAI in Modern Enterprise Applications

Discover how to build enterprise AI systems combining RAG with agentic decision-making using SpringAI, covering architecture, model routing, guardrails, and advanced techniques.

• YouTube
• 50 minutes
• Self-Paced
• Free Video

Step Up the Performance Game with Spring Boot and Project Leyden

Discover how Project Leyden and Spring Boot deliver impressive performance gains, reduce hosting costs, and improve startup speed with JDK 24 optimization techniques.

• YouTube
• 43 minutes
• Self-Paced
• Free Video

What Every Spring Developer Should Know About Jakarta EE

Discover how Jakarta EE evolution impacts Spring development, exploring API dependencies, namespace changes, and upcoming technologies that affect your Spring applications.

• YouTube
• 49 minutes
• Self-Paced
• Free Video

Spring Debugger - A New Way To Demystify Spring Boot's Magic

Discover how IntelliJ IDEA's new Spring Debugger reveals what happens behind Spring Boot's "magic" - from property values to transactions, database connections, and bean implementations.

• YouTube
• 42 minutes
• Self-Paced
• Free Video

Bootiful GraalVM - Spring and GraalVM for Production JVM Applications

Discover how Spring and GraalVM deliver blazingly fast startup, enhanced security, and reduced footprint for greener, cost-effective JVM production deployments in 2025.

• YouTube
• 53 minutes
• Self-Paced
• Free Video

Demystifying Spring Boot Magic

Uncover the inner workings of Spring Boot's auto-configuration, learn how to create your own starters, and understand the conditional annotations that power Spring Boot's "magic" in this detailed technical exploration.

• YouTube
• 47 minutes
• Self-Paced
• Free Video

Vector Similarity Search in Spring with Redis Stack

Implementación de búsqueda de similitud vectorial en aplicaciones Spring usando Redis Stack. Aprenda sobre embeddings, bases de datos vectoriales, vectorización de datos y métricas de similitud.

• YouTube
• 55 minutes
• Self-Paced
• Conference Talk

Why Spring Belongs in Your Data Stream - From Edge to Multi Cloud

Explore building data streaming apps at scale using Spring, from edge to multi-cloud. Learn to integrate Spring with Kafka, MQTT, and other technologies for real-time processing in IoT and cloud environments.

• YouTube
• 45 minutes
• Self-Paced
• Conference Talk

Let's Spring Forth and Stream with Apache Pulsar

Explore building production-ready applications with Spring and Apache Pulsar, leveraging auto-configuration, templates, and listeners for efficient distributed messaging and data streaming in cloud-native environments.

• YouTube
• 57 minutes
• Self-Paced
• Conference Talk

Architecturally Evident Spring Applications with JMolecules

Explore jMolecules for expressing architectural patterns in Java, integrating with Spring, and generating high-level documentation to build evolvable and understandable software.

• YouTube
• 50 minutes
• Self-Paced
• Conference Talk