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.

The difference between abstract classes and interfaces has long vexed Java developers. Find out how Java 8's default methods introduce both new complexity and new options to that familiar ...

However, seasoned Java developers know that sometimes the simplest of language constructs can turn out to be the most powerful, as is the case with object models designed with abstract classes and ...