Mobile Developer Interview Questions

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Design a Credit Card Parser that: 1) Will validate if a credit card is valid or not 2) Return the logo of the credit card (if valid) or return nil in case the credit card isn't valid. Dataset: User enters: 1111-1222-1112-1203 expiration date: 12/03. Valid Credit Card 2. Credit Cards: 2.1 Acme Credit Card: Starts with 1121 2.2 Alfa Credit Card: Starts with 1111 2.3 AmEx Credit Card: Starts with 3796
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Mobile Software Engineer

Interviewed at American Express

4.1
Feb 21, 2016

Design a Credit Card Parser that: 1) Will validate if a credit card is valid or not 2) Return the logo of the credit card (if valid) or return nil in case the credit card isn't valid. Dataset: User enters: 1111-1222-1112-1203 expiration date: 12/03. Valid Credit Card 2. Credit Cards: 2.1 Acme Credit Card: Starts with 1121 2.2 Alfa Credit Card: Starts with 1111 2.3 AmEx Credit Card: Starts with 3796

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