OOAD Interview Questions
Questions Answers Views Company eMail

What is inheritance?

Protech,

7 7347

Difference between Composition and Aggregation

Protech,

2 20772

Difference: Sequence Diagrams, Collaboration Diagrams ?

Protech,

2 7974




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

Cognizant, Protech, TY, University,

7 33809

Where shall I go for Package Diagram?

Protech,

1 4043

What is Polymorphism?

TCS, Protech, MindCracker,

7 9404

Is class an Object? Is object a class?

Protech, InfoAxon Technologies,

3 4719

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

Protech,

1 3240




What do you mean by Realization?

Protech,

1 4624

What is a Persistent, Transient Object?

Protech,

2 10099

What is the use of Operator Overloading?

Protech,

1 4855

What are the Design Patterns you know.

Protech, InfoAxon Technologies,

2 3860

Difference: Activity Diagram and Sequence Diagram

Protech,

4 8054

What is association?

Wipro, Protech,

2 4349

How to resolve many to many relationship?

Samsung, Protech, InfoAxon Technologies,

6 29395


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Un-Answered Questions { OOAD }

What is the difference between multiple and multilevel inheritance?

44


Why do we separate interface from implementation?

54


State two differences between an object and a class.

65


How do I make sure that an object is released in code such as a connection or file object?

82


If a method definition has been specified in the base class and the interface which the class is implementing, which definition will be picked if we try to access it using interface reference and class object?

43






Can you create an instance of an abstract class?

64


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

62


What are the types of polymorphism?

53


Explain about Overloading vs Overriding ?

72


What is the main advantage of using inheritance?

64


Can an interface have an inner class?

54


what is virtual function and pure virtual function ?

61


What is ‘this’ pointer?

61


What are manipulators?

80


What is the super keyword?

68