Java
Short links, clear architecture – A URL shortener in Core Java
A URL shortener seems harmless – but if implemented incorrectly, it opens the door to phishing, enumeration, and data leakage. In this first …
Java
77 articles
Java
If hashCode() lies and equals() is helpless
A deep look into Java’s HashMap traps – visually demonstrated with Vaadin Flow. The silent danger in the standard library The use of HashMap …
Java
Creating a simple file upload/download application with Vaadin Flow
Vaadin Flow is a robust framework for building modern web applications in Java, where all UI logic is implemented on the server side. In …
Java
Open-hearted bytecode: Java Instrumentation API
What is the Java Instrumentation API? The Java Instrumentation API is part of the java.lang.instrument package and allows you to change or …
Java
Synchronous in Chaos: How Parallel Collectors Bring Order to Java Streams
Sometimes it’s not enough for something to work - it has to work under load. In modern applications that process large amounts of …
Java
Java Cryptography Architecture (JCA) - An Overview
The Java Cryptography Architecture (JCA) is an essential framework within the Java platform that provides developers with a flexible and …
Concurrency
Rethinking Java Streams: Gatherer for more control and parallelism
Since version 8, Java has introduced an elegant, functional approach to processing data sets with the Streams API. The terminal operation …
Java
From Java 8 to 24: The evolution of the Streams API
The introduction of the Stream API in Java marked a crucial step in the development of functional programming paradigms within the language. …
Java
TornadoVM - Boosting the Concurrency
TornadoVM is an open-source framework that extends the Java Virtual Machine (JVM) to support hardware accelerators such as Graphics …
Java
Cache Poisoning Attacks on Dependency Management Systems like Maven
Cache poisoning on Maven Caches is a specific attack that targets how Maven Caches manages packages and dependencies in a software …
Java
JUnit annotations in focus: The connection between @Test and @Testable
The annotations @Test and @Testable have played an important role in the Java ecosystem regarding application testing. They are essential …
Java
The Risks of Mocking Frameworks: How Too Much Mocking Leads to Unrealistic Tests
Extensive use of mocking frameworks such as Mockito in software development can lead to unrealistic tests. This is because mocking …