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Design Animal Chess game classes

DuolingoSoftware Engineer · Technical Screen

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This interview question evaluates requirements, scale assumptions, API/data design, architecture, trade-offs, failure modes, and rollout in a realistic interview setting. A strong answer for Design Animal Chess game classes states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

Question

Design a simple Animal Chess game using object-oriented principles. Define piece classes (Elephant, Lion, Tiger, Leopard, Wolf, Dog, Cat, Rat) with their unique movements; model a 9×7 board with rivers, traps and dens; implement movement and capture logic; create an API to initialize, place pieces and display state; and supply test cases showing board setup, a lion capture, and a multi-move turn.