Runnable, FileFilter, and Comparator are examples of functional interfaces, which describe functions. Java 8 formalized this concept by requiring a functional interface to be annotated with the ...

A bug in a Java 8 support release caused the ternary operator to behave incorrectly in certain corner-cases. The bug has been fixed, and should not be a problem today. More to the point, Java 8 is no ...

Any method you can conjure up takes an object and returns an object that fulfills the Java Function contract. How to use Java’s Function interface. For this Java Function interface example, we will ...