What are CompletableFutures

CompletableFutures are a powerful feature in Java that facilitate asynchronous programming. They allow you to write non-blocking code, making it easier to handle tasks that run concurrently without locking up the main thread. By utilizing CompletableFutures, developers can improve the responsiveness and performance of their applications, especially when dealing with I/O operations or long-running computations.

With CompletableFutures, you can create pipelines of tasks, apply transformations, handle exceptions, and combine multiple asynchronous operations seamlessly.

<?php // Example of using CompletableFuture in Java import java.util.concurrent.CompletableFuture; public class CompletableFutureExample { public static void main(String[] args) { CompletableFuture.supplyAsync(() -> { return "Hello, World!"; }).thenApply(result -> { return result + " from CompletableFuture!"; }).thenAccept(System.out::println); } } ?>

CompletableFutures asynchronous programming non-blocking code Java concurrent tasks I/O operations long-running computations

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