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?

939

Can an interface contain fields?

931

What is the difference between class inheritance and interface inheritance?

1042

Can an interface inherit from another interface?

970

Can you create an instance of an interface?

1003

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

891

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?

918

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

967

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

898

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

923

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

921

What is the difference between an interface and abstract class?

1059

What is an abstract property. Give an example?

898

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

947

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

893

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Un-Answered Questions { OOAD }

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

989

What is the order of call of constructors in inheritiance?

956

Explain what is meant by polymorphism?

1010

What is bootstrap, extension and system class loader?

949

Can we override static methods? Why?

896

Why are outlet connections required in object-oriented programming?

948

Why dynamic binding is used in object-oriented programming?

1042

What are the rules to define a functional interface?

973

Explain about inheritance in oops?

930

What is data encapsulation and what's its significance?

1003

What do you mean by abstract class?

1012

Explain the concept of multiple inheritance (virtual inheritance). Write about its advantages and disadvantages?

963

How a program can be structured using the concept of object oriented programming?

1074

What are sealed modifiers?

1017

Write a program to show the inheritance used in a class.

927

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