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Automation Qa Engineer Interview Questions

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4,006 automation qa engineer interview questions shared by candidates

Java OOP principles Overload VS Override Java collections: base usage (List, Map) Interface and Abstract class, access modifiers Java loops Java collections: practical usage of most Collections classes (List, Set, Map) Static, final (class, method, variable) Object methods(equals()/hashCode()/toString()) Exceptions hierarchy, exception handling (try/catch/finally, try with resources) Stream API methods, lambda expressions Functional interfaces Service Locator/Singleton/Factory patterns Java collections: implementation and comparing of different Collections classes Comparator knowledge Implementation of custom exception
avatar

QA Automation /SDET Engineer

Interviewed at EPAM Systems

4★
Feb 1, 2024

Java OOP principles Overload VS Override Java collections: base usage (List, Map) Interface and Abstract class, access modifiers Java loops Java collections: practical usage of most Collections classes (List, Set, Map) Static, final (class, method, variable) Object methods(equals()/hashCode()/toString()) Exceptions hierarchy, exception handling (try/catch/finally, try with resources) Stream API methods, lambda expressions Functional interfaces Service Locator/Singleton/Factory patterns Java collections: implementation and comparing of different Collections classes Comparator knowledge Implementation of custom exception

Design patterns Purpose of design patterns usage At least one of most-common design patterns (e.g. Decorator, Singleton, Factory) At least 3 of most-common design patterns (e.g. Decorator, Singleton, Factory) Most-common design patterns (e.g. Decorator, Singleton, Factory) Main design patterns (GoF, Dependency Injection/IoC)
avatar

QA Automation /SDET Engineer

Interviewed at EPAM Systems

4★
Feb 1, 2024

Design patterns Purpose of design patterns usage At least one of most-common design patterns (e.g. Decorator, Singleton, Factory) At least 3 of most-common design patterns (e.g. Decorator, Singleton, Factory) Most-common design patterns (e.g. Decorator, Singleton, Factory) Main design patterns (GoF, Dependency Injection/IoC)

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