In system development using Java, the amount of automated test code inevitably increases as projects grow in scale. The accumulation of hundreds or thousands of test cases is proof that the system's ...

In Java-based system development, implementing features that integrate with external systems—such as network communication and database access—is essential. However, processes that depend on external ...

Learn about the best practices for concurrency in Java to ensure your multi-threaded applications are efficient, synchronized, and error-free. Concurrency in Java is the ability of multiple threads to ...

The controversy over vibe coding reached a new high this week after a developer added hidden instructions to his open source Java testing app to sabotage projects performed by AI coding agents. The ...

Abstract: Test smells are symptoms in the test code that indicate possible design or implementation problems. Previous research demonstrated their harmfulness and the developers’ acknowledgment of ...

Your browser does not support the audio element. How we designed a system where engineers write specifications instead of code, and AI agents handle the rest — from ...

Abstract: Better orderings of test cases can detect faults in less time with fewer resources, and thus make the debugging process earlier and accelerate software delivery. As a result, test case ...

Hamcrest is based on the concept of a matcher, which can be a very natural way of asserting whether or not the result of a test is in a desired state. If you have not used Hamcrest, examples in this ...

Learn how to write and validate unit tests with JUnit 5. This article shows you how to configure a Maven project for JUnit, write basic and parameterized unit tests, and use JUnit 5’s built-in ...

JUnit Pioneer provides extensions for the JUnit Framework and its Jupiter API. It does not limit itself to proven ideas with wide application but is purposely open to experimentation. It aims to spin ...