Java Specialization

Java Training & Workshops

From modern syntax to advanced enterprise architecture. Expert-led training for professional development teams.

500+
Professionals
Trained
20+
Years
Experience
3
Continents
(Global Delivery)
20+
Java
Bootcamps
The Actlea Perspective

Architectural Foundations: From Legacy to Modern Java

With over 20 years of global expert training experience, I don't just teach syntax—I teach architectural progression. We transition development teams from legacy mindsets to mastering the tools, features, and performance standards that define modern Java development.

Explore Java workshops ↓

Modern Syntax Mastery

Moving to Java 21 and 25 is a paradigm shift. We master records, sealed classes, and pattern matching to upgrade your legacy codebase into cleaner and safer enterprise standards.

Functional Data Processing

We replace heavy imperative loops with declarative functional programming. By mastering the Streams API and Lambdas, your team will write pipelines that are highly readable and efficient.

Test-Driven Reliability

Quality isn't an afterthought. We integrate TDD and JUnit 5 into the core workflow, ensuring that your logic is verified and your codebase remains maintainable as your architecture scales.

Workshops

Master modern Java Development

Modern Java is the foundation of robust backend development. These workshops guide the team from core syntax to advanced enterprise architecture and Java 21+.

Workshops are delivered at a fixed group rate for up to 12 participants (remote), ensuring full cost control. Should you need onsite delivery, additional costs apply. All prices are in USD. Billing is also available in EUR or GBP upon request.

Inquire for your team
java Foundational

Java Jumpstart: Essentials

1 day
Group Rate: $2,900

Master Java's core: from the JVM and encapsulation to deep object-orientation, Collections, and error handling.

  • Classes, Objects & Encapsulation
  • Polymorphism & Inheritance
  • Interfaces & Clean Code
java Professional

Modern Java Fast-Track

1 day
Group Rate: $2,900

Upgrade your codebase by mastering Data-Oriented Programming, Java 21, and Virtual Threads.

  • Records & Text Blocks
  • Data-Oriented Programming (DOP)
  • Sealed Interfaces & Type Safety
java Professional

Functional Java: Lambda & Streams

1 day
Group Rate: $2,900

Replace loops with Lambdas and Streams for readable, crash-safe, and efficient data processing in modern Java.

  • Lambdas & Method References
  • Functional Interfaces
  • Streams API (Filter, Map)
java Professional

TDD & JUnit: Quality in Java

1 day
Group Rate: $2,900

Secure your code quality by mastering TDD and JUnit 5 for modern Java applications.

  • JUnit 5 Core & Assertions
  • TDD: Red-Green-Refactor
  • Structuring Test Classes

Trusted Partner & Subcontractor for

Brights
The Upskill Company
AW Academy
Edument
Cornerstone
Lexicon
Workshop Packages

Recommended Packages

Maximize impact by combining individual workshops into a cohesive training package. Booking multiple workshops together ensures a consistent learning path for your team – at a discounted package rate.

All prices are in USD. Billing is also available in EUR or GBP upon request.

Courses

In-depth Expert Training

Multi-day courses designed as a cohesive journey. A structured pedagogical progression guides the team from fundamental concepts to advanced architecture in a time-efficient manner.

Duration: 3 days Level: Professional Format: On-site / Remote

Java Foundations: Fast-track

Intensive Java onboarding for experienced developers. Master object-oriented concepts, Data-Oriented Programming (Java 21+), and functional data streams.

Course Highlights
  • Core Java & Deep OOP
  • Data-Oriented Programming
  • Virtual Threads (Project Loom)
Target Audience

Developers from other backgrounds needing a fast but architecturally stable start in modern Java development in 2026.

  • Java 21
  • Java 25
  • Functional Java
  • Project Loom
  • Architecture
  • OOP
Duration: 5 days Level: Foundational Format: On-site / Remote

Java Foundations: Comprehensive

The complete Java onboarding. Master syntax, OOP, TDD, and functional Streams through five days of intensive Active Learning.

Course Highlights
  • Modern Java 21 & 25 Syntax
  • OOP, Inheritance & Interface Design
  • TDD & Unit Testing with JUnit 5
Target Audience

Junior developers, new hires, or teams needing a thorough and architecturally sound walkthrough of Java 21/25 today.

  • Comprehensive
  • Java 21
  • Java 25
  • TDD
  • JUnit 5
  • Foundations
Andreas Olsson

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.

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Enterprise teams trained by Actlea

Academic Work
Handelsbanken
Scania
Swedbank
CGI
SEB
Participant Reviews

What past participants say

Read about the pedagogical approach, the hands-on labs, and the impact on daily work.

Java Case Studies

Strategic Talent Development

Expert-led Bootcamps

Intensive programs designed to secure long-term delivery capacity.

Related Expertise

Continue your learning journey

Development is rarely isolated to a single framework. Explore our adjacent training areas.

Spring Boot

The industry standard for backend architecture.

Spring AI

Integrate LLMs and agents natively in Java.

Take the next step

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.