Coverage (UPDATED × WALKTHROUGH)

Rare and usually reserved for safety-critical systems. The Verdict:

: Standard, reliable utilities for Java projects. coverage

Basic baseline for non-critical applications. Rare and usually reserved for safety-critical systems

: Excellent for high-level visualization and quality gates. coverage

In beauty, "coverage" refers to how much a product hides skin imperfections (redness, acne, etc.).

High numbers can give a false sense of security if tests are shallow; chasing 100% often leads to low-value tests that slow down development. Top Tools:

Identifies "dead code" and logic gaps; acts as a safety net for junior teams.