Code RoomPoints award accepts negative amounts
MediumPrep Room Coding #1983

Points award accepts negative amounts

Code reviewCode quality & reviewMid–Senior~20 min

Review this Java endpoint that mints loyalty points from a purchase amount.

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
1@PostMapping("/points/award")
2public ResponseEntity<PointsDto> award(@RequestBody AwardReq req) {
3 int cents = req.getAmountCents(); // from request body
4 int points = cents * 10; // 10 points per cent
5 ledger.credit(req.getUserId(), points);
6 return ResponseEntity.ok(new PointsDto(points));
7}
Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.