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 ...

End your tour of Java's essential language features with Java 8's method references, interface default and static methods, and three lesser known language updates, then preview new features coming ...

In Java 8, functional interfaces with interface default methods offer a near approximation of this same concept. Interface default methods are a new concept in Java.