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

OOAD Interview Questions

Questions Answers Views Company eMail

What is a friend function?

1055

What is the use of finalize method?

1100

What is early and late Binding?

1032

Which OOPS concept exposes only the necessary information to the calling functions?

1353

What are the access modifiers?

1068

What is method overriding?

993

What is ‘this’ pointer?

1044

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

1047

How can we call the base method without creating an instance?

1082

What are a base class, subclass, and superclass?

1040

Which OOPS concept is used as a reuse mechanism?

1092

Do we require a parameter for constructors?

1070

Explain the term constructor

1098

What are manipulators?

1083

Which keyword can be used for overloading?

1035

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Un-Answered Questions { OOAD }

What is a subclass?

1101

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

1126

What is virtual?

1228

Tell me something about abstract classes?

986

What is data abstraction? what are the three levels of data abstraction with Example?

1020

Define a good interface?

1038

Differences between functional programming and object-oriented programming?

1101

What is the main use of message metaphor in object-oriented programming?

1267

What is function override?

1129

What is bootstrap, extension and system class loader? Or can you explain primordial class loader?

1045

What is the difference between data hiding and implementation?

1105

Explain about object oriented programming?

1058

Does a class inherit the constructor of its super class?

984

What is early and late Binding?

1032

Why is java not fully objective oriented?

1114

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