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

OOAD Interview Questions

Questions Answers Views Company eMail

What are different ways to create string object?

1140

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

1079

Is @functionalinterface annotation mandatory to define a functional interface? What is the use of @functionalinterface annotation? Why do we need functional interfaces in java?

1158

What is diamond inheritance problem? How java 8 solves this problem?

1065

What is @functionalinterface?

1002

What is the default access modifier in a class?

1010

What is static and dynamic Binding?

1075

What are all the operators that cannot be overloaded?

969

What are sealed modifiers?

1067

Define Destructor?

958

What is the main difference between overloading and overriding?

1096

What is dynamic or run time polymorphism?

1022

What is a pure virtual function?

3 1613

What is an abstraction?

924

What are the various types of constructors?

1036

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Un-Answered Questions { OOAD }

What is early and late Binding?

984

What is sealed modifiers?

1018

What is function override?

1083

Define Initialisation Purpose.

1009

What is data encapsulation and what is its significance?

903

Explain the mechanism of composition?

1039

What is the use of ‘finalize’?

1025

What are Classes and Objects?

1029

explain dynamic binding

1029

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

965

What are the properties that are defined in an object model?

976

State some of the advantages of object oriented programming?

1116

Do we require a parameter for constructors?

1011

Do we require parameter for constructors?

1125

What is an abstraction?

924

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