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HardPrep Room Coding #2077

Account balance comparator

Code reviewCode quality & reviewSenior–Staff~20 min

Review this Java comparator used to sort accounts by their (possibly large) balance in cents.

The values are `long` and can span the full ledger range.

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 20 min
Mark a line and say what kind of problem it is.0 findings
1public int compare(Account a, Account b) {
2 return (int) (a.balanceCents - b.balanceCents);
3}
Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.