Hello guys, i am new in java. i have a question : pls tell me "what is the need of Abstract class and then Interface".
please explain this with an example. I know this is very basic question. pls help me out of this. Thanks!
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Abstract Class
Hello guys, i am new in java. i have a question : pls tell me "what is the need of Abstract class and then Interface".
please explain this with an example. I know this is very basic question. pls help me out of this. Thanks!
Related threads:
Re: Abstract Class
Re: Abstract Class
A class has to be abstract if it contains abstract methods. The idea with abstract classes and methods is to force the subclasses to declare its own version of the abstract methods in the superclass. Note that it is no point to declare a method as abstract if the overiding methods in the subclasses is designed the same way as each other.
Interfaces can't contain any none-abstract methods, which abstract classes can.
A little bit messy explanation, but i hope you understand.
/Hank
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