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What is the diff. b/w Interfaces & Abstract class?
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Answer Posted / supriyo pal
There are three main differences between an interface and an abstract class:
• At the same time multiple interfaces can be implemented, but only extend one class
• an abstract class may have some method implementation (non-abstract methods, constructors, instance initializers and instance variables) and non-public members
• abstract classes may or may not be a little bit faster
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