"Andreas is a fantastic teacher! In addition to the fact that I experienced him as competent with a solid knowledge of his subjects, he really excels as an educator. Regardless of who you are or what level of knowledge you are at, Andreas always responds to one's questions with commitment, curiosity and a positive attitude that is contagious. Above all, I appreciated that he both gave me space to explore solutions myself and think creatively, while he was always there to contribute his support. I highly recommend Andreas!"
Java Foundations: Fast-track
Intensive Java onboarding for experienced developers. Master object-oriented concepts, Data-Oriented Programming (Java 21+), and functional data streams.
Full control over Java fundamentals, type-safe domain modeling with Records/Sealed Interfaces, massive scaling with Virtual Threads, and declarative data handling via Streams.
Developers from other backgrounds needing a fast but architecturally stable start in modern Java development in 2026.
Programming experience in another language is required, or previous knowledge of Java that needs a solid update to modern standards.
Curriculum & Highlights
Challenges we address
"How do we build robust object-oriented code and handle references and errors correctly in Java?"
"How do we leverage Records, Sealed Interfaces, and Pattern Matching for type-safe business logic?"
"How do we process data declaratively using Streams, Collectors, and Virtual Threads?"
With Java's foundations and modern syntax in place, the next logical step is building cloud-ready web services in 'Spring Boot Jumpstart: Essentials'. →
Pricing is based on scope and number of participants. Both remote and onsite delivery is available.
Your Instructor
Andreas Olsson
Expertise through Active Learning
Java and the Spring Framework have been my core focus for over 20 years. Today, my mission is primarily to help organizations step into the future by integrating intelligent agents and AI-driven features into modern Java systems.
Actlea stands for Active Learning – the philosophy that programming is best learned by writing code, not by watching slides. My workshops focus on intensive, hands-on exercises designed to solve real-world problems.
I deliver proven training concepts globally across all timezones. While I specialize in remote delivery, I love to travel for onsite workshops. My modules are ready for immediate impact but can be tailored to your team's specific requirements.
Enterprise teams trained by Actlea
What past participants say
Read about the pedagogical approach, the hands-on labs, and the impact on daily work.
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Ready to elevate your
Team's expertise?
Book a single workshop, combine modules into a package, or plan a full-scale bootcamp. My training is built on proven standard modules, ready to be delivered immediately to your team, regardless of your location.
- ✔Expert standard modules for senior teams
- ✔Global delivery across all time zones
- ✔Fixed group rate for up to 12 participants (remote)
- ✔Flexible delivery: Remote or On-site
Get in touch for a quote or to discuss availability.