Why do we need an interface when we have an abstract class?

Question

Possible duplicate:
Need for an abstract class as well as an interface?

Answer: The only goal for an interface is to achieve multiple inheritance

Correct me if I'm wrong

+3

Hari Mar 30 12 at 16:23

2 answers

Vincent ramdhanie · Answer 1 · 2012-03-30T16:25:34+0000

Thanks for using over the sequel.

Implementing an interface is more flexible than extending an abstract class. You can only extend one class, but you can implement many interfaces.

pcalcao · Answer 2 · 2012-03-30T16:27:16+0000

There are many similar questions here. SO.

I answered here about the pros and cons of each, you can check it out.