Many developers get intimidated when they look at all the new APIs that accept lambda expressions as arguments, and wonder how they’ll ever figure out which Java function to use and what the proper ...

Java 8 introduced predefined functional interfaces (java.util.function) so that developers don’t have create our own functional interfaces for common tasks. Here are a few examples: ...

The Java Function interface is quite simple. It takes a single Java object as an argument, and returns a single Java object when the method concludes. Any method you can conjure up takes an object and ...

Java’s collections like arrays and lists are foundational building blocks. Functional programming techniques are at times the ideal way to work with these collections. This article gives a tour ...