"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!"
Functional Java: Lambda & Streams
Replace loops with Lambdas and Streams for readable and efficient data processing in modern Java.
Ability to build elegant data streams making the team's codebase more robust and maintainable.
For developers wanting to write cleaner and more readable code using modern functional patterns.
Java experience is required, for beginners 'Java Jumpstart: Essentials' is recommended first.
Curriculum & Highlights
Challenges we address
"How do you replace traditional for-loops with Streams for better readability?"
"When should you use a Lambda instead of an anonymous class?"
"What are the benefits of Parallel Streams when handling large datasets?"
Secure the logic of your functional streams by moving on to 'TDD & JUnit: Quality in Java' to build a complete and sustainable testing strategy. →
Standard price per group (up to 12 participants) for remote delivery. Additional costs apply for onsite delivery.
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.