Code RoomPattern matches recompiles

MediumPrep Room Coding #2104

Pattern matches recompiles

Code reviewCode quality & reviewMid–Senior~16 min

Review this Java log filter run over every line of a large file.

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

1List<String> errors(List<String> lines) {

2 List<String> out = new ArrayList<>();

3 for (String line : lines) {

4 if (line.matches("^\\d{4}-\\d{2}-\\d{2}.*\\bERROR\\b.*")) {

5 out.add(line);

6 }

7 }

8 return out;

9}

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