Top 50 json parsing Interview Questions
The most frequently asked json parsing questions across all roles and companies, ranked by real interview frequency. Updated daily.
Extract error codes from log lines, count frequencies with a hash table, and return a sorted formatted summary.
Google
AppleFlatten nested JSON objects into dot-notated CSV rows while preserving array positions and consistent columns.
Quest Global
Pave
Alten Calsoft LabsFlatten nested JSON objects into dot and index paths using recursive depth-first traversal.
Perficient
ByteDanceSign up to see every question
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Use recursive traversal to flatten nested JSON objects and arrays into path-based key-value pairs.
McKinsey &Flatten nested threaded comments into preorder rendering items with depth values using iterative depth-first traversal.
RedditFlatten nested Patreon metadata into dot-separated keys using iterative depth-first traversal.
Patreon
ZscalerParse a JSON object safely, rejecting malformed input, non-object values, duplicate keys, and non-standard constants.
DocusignParse chronological logs with per-actor sliding windows and emit each security indicator only once when its threshold is first reached.
Palo Alto Networks
Abnormal AI