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Categories >> Software >> Software Design >> OOAD
 
 


 

 
 Design Patterns interview questions  Design Patterns Interview Questions (75)
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Question
Every object has : state, behavior and identity - 
explain
 Question Submitted By :: OOAD
I also faced this Question!!     Answer Posted By  
 
Answer
# 1


Identity : Every instance of a class should be unique. e.g.
in memory, every object has its own memory address. This is
part of the unique id, other than which a user can have
member variables uniquely identifying the instance of the class.

State : Every object, at any given point of time would have
to have a set of attributes defining its State.

Behavior : Every object based on its state and optionally
identity will have particular behavior.
 
Is This Answer Correct ?    59 Yes 14 No
Benjamin Jacob
 
Answer
# 2
Object is an instance of the class.And oject must have the
identity because of object can be specified in Class. And
has carries the behaviour of that perticular class
 
Is This Answer Correct ?    12 Yes 29 No
Praveen Kumar
 
 
 

 
 
 
Other OOAD Interview Questions
 
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Explian following terms: Constraint Rules, Design by contract. Protech 1
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Can link and Association applied interchangeably?   2
What is the difference between static and dynamic Classificaition.Give some examples. Protech 1
What is Object Constraint Language (OCL)? Protech 1
How do you represent static members and abstract classes in Class Diagram? Protech 2
How to use CRC Cards for Class Design? Protech 2
Comment: C++ "includes" behavior and java "imports"   1
What is guard condition? Syntel 6
Is class an Object? Is object a class? Protech 3
Difference: Object Oriented Analysis (OOA) and Object Oriented Design (OOD)? CSC 2
 
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