Obviously that doesn't compile, but I hate to make a file FooType.java with just the 5 lines above in it. Obviously that doesn't compile, but I hate to make a file ...

Java interfaces are different from classes, and it’s important to know how to use their special properties in your Java programs. This tutorial introduces the difference between classes and interfaces ...

For example, although List and Deque both define an encounter order, their common supertype, Collection, does not. With the sequenced collections proposal, all of the new methods declared in the new ...