“public class CompletableFuture<T> extends Object implements Future<T>, CompletionStage<T> A Future that may be explicitly completed (setting its value and status), and may be used as a CompletionStage, supporting dependent functions and actions that trigger upon its completion.”
HTTP 1.1 forced both developers and browser vendors to invent different tricks in order to make sites to load and run faster. HTTP 2.0 and QUIC will pro…