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?

987

Can an interface contain fields?

986

What is the difference between class inheritance and interface inheritance?

1096

Can an interface inherit from another interface?

1020

Can you create an instance of an interface?

1055

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

949

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?

965

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

1015

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

946

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

981

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

971

What is the difference between an interface and abstract class?

1119

What is an abstract property. Give an example?

946

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

1004

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

938

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Un-Answered Questions { OOAD }

Explain about polymorphism?

1076

Explain the different types of constructors

937

Can an interface implement or extend another interface?

1022

What are the problems faced by the developer using object oriented programming language?

964

What is the use if instanceof keyword?

1155

When will you use an interface and abstract class?

997

What is constructor and virtual function? Can we call virtual funciton in a constructor?

1013

What is meant by inheritance? what are the advantages of inheritance?

1059

Explain about inheritance?

1048

What is operator overloading and polymorphism?

1033

What are all the languages which support oop?

970

Explain what an object is.

1068

Can you instantiate an abstract class and what is an inner class?

962

Explain about abstraction?

1072

Explain persistence?

983

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