Implement Chainable Delay / afterDelay Method

Phone ScreenRobinhoodLast reported July 2025Low Frequency

Reported: 1× across candidate reports
First seen: July 2025
Last reported: July 2025
Reported outcome: unknown

Problem Overview

You are given a Finder class with the following methods: find(idx) — selects the block at the given index; color(newColor) — applies a color to the previously found block; shift() — moves the block down slightly. All methods must be chainable (return this or equivalent). The problem progresses through several…

3 candidate-reported follow-ups — the exact probes interviewers asked, with the trigger for each
The rest of the problem statement — full requirements, constraints, and edge cases
Approach and trade-offs — what passing candidates did, and the mistakes that sink people

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Interviewer Follow-ups

The exact follow-ups reported by candidates, with the trigger that prompts each one — plus the mistakes that sink people.