Top 50 oop Interview Questions
The most frequently asked oop questions across all roles and companies, ranked by real interview frequency. Updated daily.
Use inheritance and polymorphism to calculate the total area of circles and rectangles.
WorkdayFFord Hospital and Research centerVValeoDemonstrate inheritance by implementing shared vehicle behavior and subclass-specific movement responses.
Ford Motor
City National Bank
Fort Worth StaffingDetermine whether one type is a subtype of another using transitive graph reachability.
The HartfordHHartford HealthCare Medical GroupTThe Hartford IndiaDefine a class, create an object from it, and return the object's stored attributes.
ZomatoImplement an OOP LRU cache using a hash map and doubly linked list with constant-time access and eviction.
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Design an OOP parking lot system using classes, abstraction, and efficient spot tracking.
PhonepeUse inheritance and polymorphism to format different notification records through one common interface.
Charles SchwabIIncture Technologies
General AtomicsShow which integers fit a list and a fixed-width array while preserving values rejected by the array.
Verisk AnalyticsLLSEG (London Stock Exchange Group)
Sopra Steria