Code reviewMediumcr-g599

Subject Http keepalive churnLevel Mid–Senior~20 minCommon in Networking & APIs interviewsIndustries Software development, Technology

Question

Review this Java client that calls a downstream service in a loop.

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.

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Talk through your review

Code to reviewjava

1String fetch(String id) throws Exception {2    URL url = new URL("https://svc.internal/items/" + id);3    HttpURLConnection c = (HttpURLConnection) url.openConnection();4    c.setRequestMethod("GET");5    try (InputStream in = c.getInputStream()) {6        return new String(in.readAllBytes(), StandardCharsets.UTF_8);7    } finally {8        c.disconnect();9    }10}

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