Top 50 oop Interview Questions
The most frequently asked oop questions across all roles and companies, ranked by real interview frequency. Updated daily.
Design an OOP parking lot system in Python using classes, abstraction, and efficient spot tracking.
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PhonepeProcess accepted coins and return exact bounded change using dynamic programming over the machine's coin inventory.
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Handshake - stryderReverse an array in place using two pointers and constant extra space.
Virtusa
GloballogicFind the longest substring without repeated characters using a sliding window and hash map.
Virtusa
EPAM SystemsImplement an Employee class that adds, removes, and lists unique employee identifiers using a set.
GoogleUpdate a Google org chart after deleting a manager by promoting the highest-ranked direct report in linear time.
GoogleReturn the sum of two integers and explain how encapsulation can organize the operation in an OOP design.
Zensar TechnologiesUse object-oriented state modeling to validate mandatory captures, multi-jumps, kinging, and board updates in modified checkers.
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