In this functional programming tutorial, we will work through a Java Supplier interface example. Java’s functional supplier interface can be used any time a function needs to generate a result without ...

Also known as the Java 8 Predicate -- which stems from the JDK version where functional programming was introduced to developers -- this simple interface defines five methods, although only the Java ...

One of the great evolutions in Java was the introduction of streams and lambdas in Java 8. These are the features ... In Java, we could create a functional interface to share that operation ...

This very simplified example shows how the parallel Stream ... However, there are some differences: Java 8 functional interfaces can not get a reference to the implementing class.