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?

934

What are abstract methods?

959

Can you create an instance for an abstract class?

905

Do structs support inheritance?

913

What is the main advantage of using inheritance?

1010

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

898

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

955

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

944

What is virtual multiple inheritance?

914

Write a note about inheritance?

893

What is the need of multiple inheritance?

1010

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

963

Describe inheritance and non-inheritance of a derived class?

883

Why do we separate interface from implementation?

959

Define a good interface?

938

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Un-Answered Questions { OOAD }

Define modularity?

1019

What are the four important foundation concepts of OOP ?

897

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

944

What is a functional interface? What is sam interface?

1019

What is the default access specifier in a class definition?

957

What are virtual functions, base class pointer, derived class pointer, biding references?

947

How can I be thrown polymorphically?

938

Why we use oops concepts? What is its advantage?

947

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

893

Why is class hierarchies managed in object-oriented programming?

929

Can we override a method by using same method name and arguments but different return types?

898

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

963

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

1130

What are the features of encapsulation ?

943

What is a ternary operator?

916

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