OOAD Interview Questions
Questions Answers Views Company eMail

What is inheritance?

Protech,

7 11590

Difference between Composition and Aggregation

Protech,

2 22939

Difference: Sequence Diagrams, Collaboration Diagrams ?

Protech,

2 9948

Difference: 'uses', 'extends', 'includes'

Cognizant, Protech, TY, University,

7 39705

Where shall I go for Package Diagram?

Protech,

1 5744

What is Polymorphism?

MindCracker, Protech, TCS,

7 13607

Is class an Object? Is object a class?

InfoAxon Technologies, Protech,

3 7225

Comment: C++ "includes" behavior and java "imports"

Protech,

1 4670

What do you mean by Realization?

Protech,

1 6101

What is a Persistent, Transient Object?

Protech,

2 12430

What is the use of Operator Overloading?

Protech,

1 6394

What are the Design Patterns you know.

InfoAxon Technologies, Protech,

2 5613

Difference: Activity Diagram and Sequence Diagram

Protech,

4 10476

What is association?

Protech, Wipro,

2 6271

How to resolve many to many relationship?

InfoAxon Technologies, Protech, Samsung,

6 34977


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Un-Answered Questions { OOAD }

How can we restrict inheritance for a class so that no class can be inherited from it?

845


What's the main difference between arraylist / hashmap and vector / hashtable?

745


How can I be thrown polymorphically?

751


State some of the advantages of object oriented programming?

848


A class inherits from 2 interfaces and both the interfaces have the same method name as shown below. How should the class implement the drive method for both car and bus interface?

737


Which OOPS concept is used as a reuse mechanism?

811


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

870


What interface must an object implement before it can be written to a stream as an object?

834


Explain the term constructor

806


Explain what is object oriented programming language?

772


Define Destructor?

740


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

711


Write about abstract base classes?

794


Explain method overriding.

797


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

749