You’ll also learn how the interface has evolved in Java 8, with the addition of default and static methods, and in Java 9 with the new private methods.

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.

Javaのインターフェイスは、“定数を宣言できる”という重要な機能を持っており、UMLのインターフェイスとはこの点に大きな相違点があります。

Clément Agarini opened MPLUGIN-272 and commented Hi All, It seems that the descriptor goal of "maven-plugin-plugin" version 3.3 is failing with java 8 and an interface with a default method.