Get a deep dive into using method references in your Java programs, including stream operations, event listeners, and constructors and factories. Topics Spotlight: New Thinking about Cloud Computing ...

Another way to use an asynchronous callback function is to use the CompletableFuture API. This powerful API, introduced in Java 8, facilitates executing and combining asynchronous method invocations.

Functions and Methods. Every function in Java, also known as a method, needs to be inside a class. Every class is composed of functions or methods. You can call on that function to perform operations.

The java.util.function.Consumer class has one non-default method named accept which takes a single object as its argument and has a void return type. java.util.function.Consumer<T> Consumer function ...