Java’s interface language feature confuses many Java newbies. Many mistakenly assume that interfaces only sidestep Java’s failure to support multiple implementation inheritance. In reality, that ...

Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs. Abstract classes and ...

If you need to have objects look alike but don't have any code to share, you don't need inheritance -- you need an interface. Here's an example of how interfaces provide a more flexible way to deal ...