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,

1023

explain the difference between operator overloading and function overloading.

TCS,

992

What are abstract functions? Why are they used?

995

Describe the Diamond problem. Where does this problem occur?

Tech Mahindra,

927

What is an interface?

1021

What is the difference between class and interface?

1143

Can an interface implement or extend another interface?

994

What is the benefit of Composition over Inheritance?

990

What are the rules to define a functional interface?

1041

Is is possible to define our own functional interface?

1047

What is a functional interface? What is sam interface?

1095

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

938

Differences between functional programming and object-oriented programming?

1045

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

1184

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

1084

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Un-Answered Questions { OOAD }

What are base class, sub class and super class?

1053

Tell me something about abstract classes?

935

Why is class hierarchies managed in object-oriented programming?

974

Can we have a default method definition in the interface without specifying the keyword "default"?

965

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

1294

What are the basic concepts of oop?

1001

What is hybrid inheritance?

984

What is the significance of encapsulation?

994

What is the difference between new and override?

1025

Can you call the base class method without creating an instance?

1088

What is meant by inheritance? what are the advantages of inheritance?

1046

What is a virtual function?

978

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

936

What are the limitations of oops?

1013

What are all the languages which support oop?

964

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