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// concurrent/CompletableApplyAsync.java

// (c)2017 MindView LLC: see Copyright.txt

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

import java.util.concurrent.*;

import onjava.*;

public class CompletableApplyAsync {

public static void main(String[] args) {

Timer timer = new Timer();

CompletableFuture<Machina> cf =

CompletableFuture.completedFuture(

new Machina(0))

.thenApplyAsync(Machina::work)

.thenApplyAsync(Machina::work)

.thenApplyAsync(Machina::work)

.thenApplyAsync(Machina::work);

System.out.println(timer.duration());

System.out.println(cf.join());

System.out.println(timer.duration());

}

}

/* Output:

116

Machina0: ONE

Machina0: TWO

Machina0: THREE

Machina0: complete

Machina0: complete

552

*/