Code RoomNull coercion to primitive

HardPrep Room Coding #2082

Null coercion to primitive

Code reviewCode quality & reviewMid–Senior~16 min

Review this Java method that returns a discount percent, defaulting to 0 when no override is present.

What a strong answer looks like

Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix, specific and kind.

0:00 of about 16 min

Mark a line and say what kind of problem it is.0 findings

1Integer override = overrides.get(userId); // may be null

2int percent = (condition) ? override : 0;

3return percent;

Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.