As I was thinking about the remaining differences between Java interfaces and abstract classes in a JDK 8 world, I decided to see what the Java Tutorial had to say on this.

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.

Interface with default methods in java 8in later version of java interfaces always contained only method declaration. we are not giving method definition in the interfaces because java did not allow ...

Traditional interfaces in Java 7 and below don’t offer backward compatibility. What this means is that if you have legacy code written in Java 7 or earlier, and you decide to add an abstract method to ...