OOAD Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

OOAD Interview Questions

Questions Answers Views Company eMail

Explain about the analysis phase?

1040

Can an interface contain fields?

1033

What is the difference between class inheritance and interface inheritance?

1148

Can an interface inherit from another interface?

1066

Can you create an instance of an interface?

1102

If a class inherits an interface, what are the 2 options available for that class?

997

A class inherits from 2 interfaces and both the interfaces have the same method name as shown below. How should the class implement the drive method for both car and bus interface?

1014

What do you mean by "explicitly implemeting an interface". Give an example?

1080

Is it possible to create partial structs, interfaces and methods?

994

Can different parts of a partial class inherit from different interfaces?

1016

What is the default access modifier for a class,struct and an interface declared directly with a namespace?

1018

What is the difference between an interface and abstract class?

1165

What is an abstract property. Give an example?

1005

Can you use virtual, override or abstract keywords on an accessor of a static property?

1063

What is the difference between a virtual method and an abstract method?

981

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Un-Answered Questions { OOAD }

What is the difference between multiple and multilevel inheritance?

1056

Can we have a default method definition in the interface without specifying the keyword "default"?

1014

What is the diffrence between an abstract class and interface?

1117

Explain basic concepts of OOPS?

977

Can you explain primordial class loader?

962

Why dynamic loading is used in object-oriented programming?

1047

Are constructors inherited? Can a subclass call the parent's class constructor? When?

1043

What is a static method? Why do we need static methods in java 8 interfaces?

1244

What is data abstraction? what are the three levels of data abstraction with Example?

1020

What is sealed modifiers?

1058

What is the function of pure virtual functions?

962

Explain about instance in object oriented programming?

1167

What is a nested interface?

1093

What are the types of polymorphism?

1012

How many methods are there in the serializable interface?

1000

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