thenCompose.java

private static void thenCompose() {
   CompletableFuture<String> completableFuture =
           CompletableFuture.supplyAsync(() -> "Hello")
                   .thenCompose(value ->
                           CompletableFuture.supplyAsync(
                                   () -> value + " Knolders! Its thenCompose"));
   completableFuture.thenAccept(System.out::println); // Hello Knolders! Its thenCompose
}