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?

1054

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

1003

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

1110

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

1013

What is @functionalinterface?

948

What is the default access modifier in a class?

970

What is static and dynamic Binding?

1015

What are all the operators that cannot be overloaded?

923

What are sealed modifiers?

1017

Define Destructor?

915

What is the main difference between overloading and overriding?

1033

What is dynamic or run time polymorphism?

975

What is a pure virtual function?

3 1453

What is an abstraction?

881

What are the various types of constructors?

975

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Un-Answered Questions { OOAD }

Can a class implement two interfaces having default method with same name and signature?

966

How to define an interface?

950

Explain the purpose of composition.

970

What is difference between class and interface?

1039

What is virtual?

1119

What is a ternary operator?

916

What is polymorphism? When is it employed? give an example.

965

What is garbage collection(gc)?

932

What is a pure virtual function?

1453

What is multiple inheritance? How java 8 supports multiple inheritance?

1026

How to differentiate between a CreateObject() and GetObject() ?

964

Explain about uml?

924

Can an interface implement or extend another interface?

950

What is serialization? How do we implement serialization actually?

899

what three "domains" are considered during analysis modeling?

6854

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