Fizz Buzz teaches important lessons: Condition ordering matters. Most specific first, most general last.
Think about overlapping cases. Numbers divisible by match multiple conditions.
Test edge cases. Try , , , and a number divisible by neither.
% checks divisibility. n % k == 0 means n is divisible by k. This problem appears in coding interviews to test basic logic. If you can solve it correctly and explain your reasoning, you demonstrate programming competence.