Answer / eswar

Features are same but implementation are different then we
go for Interface

Features are same and some of the implementations are same
then we go for Abstract.

Answer / pallavi

Use an abstract class when you want to inherit only from the parent
Use an interface when you want to inherit from multiple sources
If the behaviour of base class is default behaviour of all the sub classes the use abstract. If it is not default behaviour for all the classes use interface.
Interface - CAN-DO relationship
abstract class - IS-A relationship

Answer / pravin more

If U Want to add some modules in ur application in the
feature then u can use abstract class.


---Pravin More

Answer / lenin n c

In abstract we need can create Object for that class and
cannot inherit it.

But in case of interface viceversa

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