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Every object has : state, behavior and identity - 
 Question Submitted By :: OOAD
I also faced this Question!!     Answer Posted By  
# 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 ?    58 Yes 14 No
Benjamin Jacob
# 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 ?    11 Yes 28 No
Praveen Kumar

Other OOAD Interview Questions
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What are the good practices to use while designing for reuse? Protech 1
Can link and Association applied interchangeably?   2
What is Object Constraint Language (OCL)? Protech 1
Differentiate between Aggregation and containment?   3
What are the four phases of the Unified Process ? Protech 6
What is guard condition? Syntel 6
What is SRD(System Requirement document), FSD (Functional Specification Document), RSD (Requiremnet specific document)? If these are different document wat are there contents? HP 1
Why is planning too much up front a mistake in an OOSAD project? Infosys 3
Does a concept HAVE to become a class in Design? Protech 1
What is the difference between static and dynamic Classificaition.Give some examples. Protech 1
In winform my controls [taskbar and progressbar] become inactive when heavy processing is going in background, how to avoid this via multithreading Hexaware 1
How do you represent static members and abstract classes in Class Diagram? Protech 2
For more OOAD Interview Questions Click Here 

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