This program is to show the chaining of multiple completablefutures.

FutureChaining.java

import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;

class Test {
    public static void main(String[] args) throws ExecutionException, InterruptedException {
        CompletableFuture<Void> completableFuture = CompletableFuture.supplyAsync(() -> (int) (Math.random() * 10))
                .thenApply(value -> {
                    System.out.println("Generated random number is " + value);
                    return value % 2 == 0;
                })
                .thenAccept(isEven -> System.out.println(isEven ? "Even" : "Odd"))
                .thenRun(() -> System.out.println("Computation completed."));
        completableFuture.get();
    }
}