Code RoomFile reader swallows close exception
MediumPrep Room Coding #1739

File reader swallows close exception

Code reviewCode quality & reviewMid–Senior~20 min

Review this Java resource handler.

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 String readFirstLine(String path) {
2 BufferedReader r = null;
3 try {
4 r = new BufferedReader(new FileReader(path));
5 return r.readLine();
6 } catch (IOException e) {
7 log.warn("read failed");
8 return null;
9 } finally {
10 try {
11 if (r != null) r.close();
12 } catch (IOException e) {
13 return "";
14 }
15 }
16}
Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.