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Why 90% Coverage Still Means Zero Confidence | Blog | Jayavignesh (JV)

Coverage measures execution, not correctness. This post explains why high-coverage systems still fear releases, and how to test behavior instead of lines.

Jayavignesh (JV) - Backend Engineer

Java | Spring Boot | Cloud Architecture | Microservices

Welcome to the official portfolio of Jayavignesh (JV). I am a Backend Engineer based in Tamil Nadu, specializing in scalable Java applications, system design, and cloud architecture. Explore my work at jayavignesh.dev.

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Why 90% Coverage Still Means Zero Confidence | Blog | Jayavignesh (JV)

Coverage measures execution, not correctness. This post explains why high-coverage systems still fear releases, and how to test behavior instead of lines.