All 30 days
Day 10 / 30 · 2025 Edition
Testing Strategies — Part 2
Running tests in CI, advanced debugging with ANR traces, heap dumps, LeakCanary and the CPU and network profilers, plus A/B and feature-flag testing.
Inside this day
Questions and detailed answers at four levels — Junior, Mid, Senior and Architect — with code samples and architect's insights.
Try answering each question out loud before you read the answer — that's the closest thing to a real interview.