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Sven Woltmann
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best books for programmers
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The Best Books for Programmers
(Updated 2023)

Sven WoltmannSven WoltmannMay 25, 2023
In this article, I’ve compiled a list of the best software engineering books. The lists contains book about software design, object-oriented design, software development and software testing.
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java 20 features
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Java 20 Features
(with Examples)

Sven WoltmannSven WoltmannMarch 21, 2023
The new Java 20 features with examples: Scoped Values (Incubator), Record Patterns (Second Preview), Pattern Matching for switch (Fourth Preview), Foreign Function & Memory API (Second Preview), Virtual Threads (Second Preview), Structured Concurrency (Second Incubator)
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how to switch java versions in windows
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How to Change Java Versions in Windows
(Updated for Java 20)

Sven WoltmannSven WoltmannMarch 21, 2023
In this article, I'll show you how to install several Java versions simultaneously in Windows and how to switch between them on the command line with short commands.
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Hexagonal Architecture Feature Image
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Hexagonal Architecture - What Is It? Why Should You Use It?

Sven WoltmannSven WoltmannJanuary 18, 2023
What is Hexagonal Architecture (Ports & Adapters) – Advantages over Layered Architecture – Hexagonal Architecture, Microservices and DDD
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scoped values java
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Scoped Values in Java

Sven WoltmannSven WoltmannDecember 11, 2022
What is a Scoped Value? How to use ScopedValue? How to inherit Scoped Values? What is the difference between ScopedValue and ThreadLocal?
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advent of code 2022 solutions
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Advent of Code 2022 – Object-oriented Solutions in Java

Sven WoltmannSven WoltmannDecember 1, 2022
Here you can find all solutions to Advent of Code 2022. All tasks are implemented in an object-oriented and test-driven way in Java.
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java 19 features
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Java 19 Features
(with Examples)

Sven WoltmannSven WoltmannSeptember 20, 2022
The new Java 19 features with examples: Virtual Threads (Preview), Record Patterns (Preview), Foreign Function & Memory API (Preview) + more.
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Radix Sort Feature Image
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Radix Sort – Algorithm, Source Code, Time Complexity

Sven WoltmannSven WoltmannJuly 19, 2022
How does Radix Sort work? How to implement Radix Sort in Java? What is the time and space complexity of Radix Sort?
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virtual threads java
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Virtual Threads in Java
(Project Loom)

Sven WoltmannSven WoltmannJune 14, 2022
Virtual threads in Java (Project Loom): What are virtual threads? Why do we need them? How do they work? How to use them?
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structured concurrency java
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Structured Concurrency in Java with StructuredTaskScope

Sven WoltmannSven WoltmannJune 13, 2022
What is Structured Concurrency and why do we need it? How does StructuredTaskScope work? What is the advantage of Structured Concurrency?
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