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why abstract class will have a constructor?

Answers were Sorted based on User's Feedback



why abstract class will have a constructor?..

Answer / hari krishna

All the classes including the abstract classes can have
constructors.Abstract class constructors will be called
when its concrete subclass will be instantiated.

Is This Answer Correct ?    7 Yes 1 No

why abstract class will have a constructor?..

Answer / nitin panwar

Bcoz each subclass executes the superclass constructor
before executing own constructor,thats why abstract class
has a constructor .

Is This Answer Correct ?    4 Yes 1 No

why abstract class will have a constructor?..

Answer / aditya ganjiwale

Its there to be able to initialize the abstract class
internal state.
Lets say you would like to assign two variables, you would
have to do this for every implementation, but with
constructors in the abstract class you only need it once:
So every class inheriting only needs to call the
constructor, instead of assigning the values themself every
time.

Is This Answer Correct ?    3 Yes 0 No

why abstract class will have a constructor?..

Answer / ram

Abstract class have the constructor in it just to instantiate its instance variables. Where as Interfaces are not containing any instance variables. That is why, they dont have constructor concept.

Is This Answer Correct ?    0 Yes 0 No

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