What's in a List
Lists in Java
Apr 17, 20258 min read126
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Improved Collections in Java 21
The new Sequenced Collection API
Apr 2, 20266 min read43
Java Data Types at a glance
Java Types briefly explained and a bit of Kotlin at the end
Jan 3, 20268 min read35
How to create a class - Best Practices
From Java Beans to modern records
Jul 22, 20257 min read118
Hash Tables and hashCode()
Introduction When creating a class in Java, there are three methods that are commonly overridden: equals() hashCode() toString() This article focuses on the hashCode() method. How a hash table wo
Jun 18, 20256 min read123
Mastering Object Equality in Java
Introduction The == operator is used to compare references, while the equals method is used to compare the contents of objects. Comparison for predefined types Primitive types The comparison operator
May 2, 20256 min read84
How to use an interface
Strategy Pattern for beginners
Apr 23, 20256 min read278
On the Collectors used in the Stream API
Introduction to Collectors Collect is an extremely useful terminal operation to transform the elements of the stream into a different kind of result, like a List, a Set or a Map. Java supports various built-in collectors via the Collectors class. A v...
Mar 26, 20254 min read32
More on Streams
The streams were introduced in my previous article. This is the second article in the series. Comparison-based stream operations We will explain several common methods, some of them were mentioned in
Mar 11, 20255 min read21