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

OOAD Interview Questions

Questions Answers Views Company eMail

Can you create an instance of an abstract class?

731

What are abstract methods?

739

Can you create an instance for an abstract class?

695

Do structs support inheritance?

700

What is the main advantage of using inheritance?

745

What is the base type from which all structs inherit directly?

688

Classes and structs support inheritance. Is this statement true or false?

730

How do you prevent a class from being inherited by another class?

761

What is virtual multiple inheritance?

696

Write a note about inheritance?

668

What is the need of multiple inheritance?

746

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

758

Describe inheritance and non-inheritance of a derived class?

659

Why do we separate interface from implementation?

735

Define a good interface?

716

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Un-Answered Questions { OOAD }

Can an interface implement or extend another interface?

718

What is the use of destructive method?

694

Explain about message passing in object oriented programming?

748

Can an interface have an inner class?

774

What is difference between static and non-static fields of a class?

688

Explain method overriding.

771

Explain the purpose of composition.

750

If a method definition has been specified in class , its base class , and the interface which the class is implementing, which definition will be picked if we try to access it using interface reference and class object?

712

What is early and late Binding?

727

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

733

Explain colloboration

687

Define modularity?

806

What is a functional interface? What is sam interface?

718

What is the default access modifier in a class?

737

What is the main difference between a class and an object?

736

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