Java 8 is here! That was a long wait. I mean for people who like to wait for the thing to be fully released before they even try it. I know a lot of people who even think they need to wait until Java 9 is out to start to use Java 8. For me the wait for a little shorter since I’ve been using Java 8 for quite some time and even shipped apps with it. Small apps but real apps.
Anyway, let’s take a look at one of the new features that I really like. People talked a lot about default methods in interfaces. They are great! Another great thing is static methods in interfaces. I really love those.
Before Java 8
You remember those times where you had a
Function interface and a
Functions class with a bunch of static methods to create specific implementations of
Function? Take a look at Guava code. It uses a lot this pattern. And we used to like it.
With Java 8
Now time has come to merge these two classes. We can put all static methods of
Functions back into
Function like this: