Become a Better Java Developer!
Modern Java: new versions & features, performance, and JVM insights – tutorials and deep dives, clearly explained and directly applicable.
How to Change Java Versions in Windows (updated for Java 28)
March 21, 2023How to install multiple Java versions on Windows in parallel? How to change Java versions on the command line? (Up to JDK 28)
Java 20 Features (with Examples)
March 21, 2023Java 20 features with examples: Scoped Values, Record Patterns, Pattern Matching for switch, Virtual Threads – and what became of them.
Hexagonal Architecture – What Is It? What Are Its Advantages?
January 18, 2023Hexagonal architecture (ports & adapters) explained: advantages over layers, differences from clean and onion architecture, relation to DDD.
Java Scoped Values (JEP 506) Explained – vs. ThreadLocal
December 11, 2022Scoped Values (JEP 506) replace ThreadLocal since Java 25: binding, rebinding, child-thread inheritance – and where ThreadLocal falls short.
Advent of Code 2022 – Java Solutions for All 25 Days, Explained
December 1, 2022All 25 Advent of Code 2022 puzzles solved in object-oriented Java 19 – each with the approach explained and the code on GitHub.
Java 19 Features: Virtual Threads, Record Patterns and More
September 20, 2022The new Java 19 features with examples: Virtual Threads (preview), Record Patterns (preview), Foreign Function & Memory API (preview) + more
Radix Sort Algorithm – Example, Java Code, Time Complexity
July 19, 2022Radix Sort step by step: LSD and MSD with an example, Java implementations, time and space complexity – and benchmarks against Quicksort.
Java Virtual Threads (JEP 444): How They Work, Examples, Pitfalls
June 14, 2022Virtual threads in Java (Project Loom): how they work and how to handle millions of blocking tasks without async code – with examples.
Difference Between Stack and Queue (Data Structures and Java)
June 8, 2022What is the difference between stack and queue? LIFO vs. FIFO, terminology – and how the Java Stack class and the Queue interface differ.
Queue vs. Deque in Java: What’s the Difference?
June 7, 2022Queue vs. deque: the data structures and the Java interfaces compared – including iteration and SequencedCollection since Java 21.Want Even More Knowledge?
My blog features many articles on Java, software architecture, and performance — from foundational concepts to advanced patterns.
If you want to go deeper, check out my trainings: hands-on, easy to understand, and directly applicable to your day-to-day project work. Instead of theory, I teach principles that help you write code that is better, more maintainable, and more performant in the long run.
Explore the Java Trainings