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Sven Woltmann
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Java 19 Features with ExamplesJava 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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How to switch Java versions in Windows - feature imageHow to Change Java Versions in Windows (Updated for Java 19)
Sven WoltmannSven WoltmannSeptember 20, 2022
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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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 in JavaVirtual 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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Stack vs. Queue - Feature Image
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Stack vs. Queue

Sven WoltmannSven WoltmannJune 8, 2022
What are the differences between the stack and queue data structures? How do the corresponding Java interfaces and classes differ?
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Deque vs. Queue - Feature Image
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Java Queue vs. Deque

Sven WoltmannSven WoltmannJune 7, 2022
What are the differences between the data structures deque and queue? And how do the corresponding Java interfaces differ?
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Deque vs. Stack - Feature Image
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Java Deque vs. Stack

Sven WoltmannSven WoltmannJune 7, 2022
What are the differences between the data structures and Java classes Deque and Stack? Why should we use only Deque in Java?
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Implementing a Deque Using an Array - Feature Image
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Implement a Deque Using an Array

Sven WoltmannSven WoltmannJune 7, 2022
How to implement a deque based on an array in Java (without Java collections classes)? How does the array grow on demand?
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Java Deque Implementations - Which one to use?
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Deque Implementations – Which One to Use?

Sven WoltmannSven WoltmannJune 7, 2022
Which Deque implementations exist in the JDK? How do they differ? In which cases should you use which implementation?
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LinkedBlockingDeque - Feature Image
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Java LinkedBlockingDeque
(with Example)

Sven WoltmannSven WoltmannJune 7, 2022
How to use the Java LinkedBlockingDeque? How does it work? What are its characteristics? When should you use it?
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