Course catalog
Structured video courses — from Java fundamentals to advanced topics (APIs, data, DevOps, performance).
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Best sellers
Most popular among developers.
Java Core Fundamentals
Solid foundations of modern Java: types, collections, streams, records, and practical patterns.
Java Concurrency Masterclass
Threads, executors, structured concurrency, and production performance optimizations.
REST API with Spring Boot
Design, build, and deploy production-ready REST APIs with Spring Boot.
Java Testing Masterclass
JUnit 5, Mockito, integration tests, and test strategy for production.
New releases
Recently added to the catalog.
Docker & Kubernetes for Java
Containerize, orchestrate, and deploy your Java applications to production.
Java Performance Tuning
Profiling, garbage collection, JVM tuning, and measurable optimizations.
Event-Driven Architecture
Kafka, event sourcing, CQRS, and resilient distributed systems.
All courses
All courses, by topic and level.
Java Core Fundamentals
Solid foundations of modern Java: types, collections, streams, records, and practical patterns.
Java Concurrency Masterclass
Threads, executors, structured concurrency, and production performance optimizations.
REST API with Spring Boot
Design, build, and deploy production-ready REST APIs with Spring Boot.
SecurityJava Security Essentials
Auth, secrets, OWASP, and secure-by-default for Java applications.
Docker & Kubernetes for Java
Containerize, orchestrate, and deploy your Java applications to production.
DataData & SQL Mastery for Java
Advanced SQL, schema design, indexing, and reliable data access layers.
Java Performance Tuning
Profiling, garbage collection, JVM tuning, and measurable optimizations.
Web & APIsMicroservices with Spring Cloud
Complete microservices architecture: discovery, gateway, config, and resilience.
DevOpsCI/CD Pipeline for Java
Automate build, tests, and deployment with GitHub Actions and Maven/Gradle.
Java Testing Masterclass
JUnit 5, Mockito, integration tests, and test strategy for production.
Event-Driven Architecture
Kafka, event sourcing, CQRS, and resilient distributed systems.
Web & APIsGraphQL with Java
Build performant GraphQL APIs with Spring for GraphQL.