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Before we dive into explaining what CompletableFuture is, let’s understand what a Future represents. This is important because CompletableFuture is built upon Future. What is a Future? A Future is an ...

CompletableFuture is used for asynchronous programming in Java. Asynchronous programming is a means of writing non-blocking code by running a task on a separate thread than the main application thread ...

コード上のコメントに説明は記載。 package java8; import java.util.concurrent.CompletableFuture; import java.util.concurrent.ExecutionException; import java.util.function.Consumer; import java.util.function.Function; ...

CompletableFuture是JDK8中的新特性，主要用于对JDK5中加入的Future的补充。CompletableFuture实现了CompletionStage和Future接口 ...