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what is abstract class ?
when is used in real time ?
give a exp
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Answer Posted / ramakrishna yechuri
An Abstract class ia class which consists at least one
abstract method(in complete method).
Advantage is the user can implement the method body as per
his require ment.
ex: connect(){} ,I implement to conncect to oracle
database,u implement to conncet to sybase,my friend
implement this method to connect to oracle db. same connect
method acting in different forms (polymorphisim).
Note: Always Interfaces is better than Abstract class,becoz
Programming to Interface is better than programming to
classes.
To avoid dependency Injection problems.(spring).
| Is This Answer Correct ? | 14 Yes | 4 No |
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