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This is a hard difficulty Coding & Algorithms question, commonly asked during Technical Screen rounds at Oracle.

What role is this question designed for?

This question is commonly asked for Software Engineer candidates at Oracle during technical interviews.

Implement in-memory data structures and booking API

Last updated: Mar 29, 2026

Quick Overview

This question evaluates proficiency in data structures and algorithms, systems-level data modeling, and practical API design by testing in-memory key-value stores, list and string operations, LRU eviction mechanics, linked-list and tree manipulation, and stateful booking behavior.

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Implement in-memory data structures and booking API

Oracle

Feb 12, 2026, 12:00 AM

hardSoftware EngineerTechnical ScreenCoding & Algorithms