For example, java.lang.Runnable is a functional interface. @FunctionalInterface public interface Runnable { public abstract void run(); } ...

{ public abstract void run(); } The class library annotates Runnable with @FunctionalInterface, which is an instance of Java 8’s new java.lang.FunctionalInterface annotation type.

The Executor framework is based on the Executor interface, which describes an executor as any object capable of executing java.lang.Runnable tasks. This interface declares the following solitary ...

The Process class implements the java.lang.Runnable interface which makes a Process eligible for execution via a java.util.concurrent.Executor . In order to execute a Process asynchronously, simply ...