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Given a list of currencies and their values from an API, create a currency exchange calculator that allows users to input an amount in one currency and convert it to another currency based on real-time exchange rates.
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React Native Developer

Interviewed at Persistent Systems

4.2★
Feb 17, 2025

Given a list of currencies and their values from an API, create a currency exchange calculator that allows users to input an amount in one currency and convert it to another currency based on real-time exchange rates.

Q: Given user input and database as array. Return the elements which needs to be updated or removed from the database array. For example: userInput=[1,2,3] database=[2,3] Program should return { insertOrUpdate: [1,2,3], remove: [2,3]}
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Senior Software Engineer (React)

Interviewed at Delivery Hero

3.5★
Jan 19, 2021

Q: Given user input and database as array. Return the elements which needs to be updated or removed from the database array. For example: userInput=[1,2,3] database=[2,3] Program should return { insertOrUpdate: [1,2,3], remove: [2,3]}

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