When to implement an interface and when to extend a superclass?

Question

I\'ve been reading a lot about interfaces and class inheritance in Java, and I know how to do both and I think I have a good feel for both. But it seems that nobody ever rea

Answer 1

I found some articles, particularly some who describe why you should not use implementation inheritance (i.e. superclasses):

• Why extends is evil
• Inheritance of implementation is evil
• Implementation inheritance
• Implementation inheritance
• Java inheritance FAQ