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

OOAD Interview Questions

Questions Answers Views Company eMail

What is the difference between function overloading and over riding?

BirlaSoft,

1048

explain the difference between operator overloading and function overloading.

TCS,

1009

What are abstract functions? Why are they used?

1008

Describe the Diamond problem. Where does this problem occur?

Tech Mahindra,

940

What is an interface?

1034

What is the difference between class and interface?

1159

Can an interface implement or extend another interface?

1033

What is the benefit of Composition over Inheritance?

1004

What are the rules to define a functional interface?

1062

Is is possible to define our own functional interface?

1059

What is a functional interface? What is sam interface?

1117

Is it possible to provide method implementations in java interfaces? If possible, how do we provide them?

956

Differences between functional programming and object-oriented programming?

1061

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

1205

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

1103

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Un-Answered Questions { OOAD }

How a program can be structured using the concept of object oriented programming?

1127

What do you mean by polymorphism?

1047

Why dynamic binding is used in object-oriented programming?

1102

Difference between composition and inheritance ?

976

Can we have default method with same name and signature in the derived interface as the static method in base interface and vice versa?

1049

What is the super keyword?

1043

What is difference between encapsulation and abstraction?

1006

What is overriding?

1037

Write about abstract base classes?

1034

Explain what is an object?

990

What does the “abstract” keyword mean in front of a method? A class?

981

What is difference between polymorphism and normalization?

2060

Which oops concept is used as reuse mechanism?

3534

Explain about message passing in object oriented programming?

1007

If a class inherits an interface, what are the 2 options available for that class?

952

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