Java Supplier interface tutorial. As you can see, the code for the class that implements Java’s Supplier interface is fairly simple. The only requirements are the class declaration and the ...

You will run into the Function interface in a variety of places, especially when you start advanced functional programming with the Java Streams API. Powerful methods such as map, reduce and flatMap ...

Functional programming with Java. Many developers don’t realize it, but it was possible to write functional programs in Java before Java 8. In order to have a well-rounded view of functional ...

In addition to touring Java 8’s functional programming capabilities, the second half of this tutorial will help you begin to think functionally, by converting an example of object-oriented Java ...