Java How to Program, Early Objects, 11th Edition

... ArrayWriter(1, sharedSimpleArray); 
14         ArrayWriter writer2 = new ArrayWriter(11, sharedSimpleArray);
15
16         // execute the tasks with an ExecutorService
17         ExecutorService executorService = Executors.newCachedThreadPool();
18         executorService.execute(writer1);
19         executorService.execute(writer2);
20
21         executorService.shutdown();
22
23         try {
24            // wait 1 minute for both writers to finish executing
25            boolean tasksEnded =
26               executorService.awaitTermination(1, TimeUnit.MINUTES);
27
28            if (tasksEnded) {
29               System.out.printf("%nContents of SimpleArray:%n");
30               System.out.println(sharedSimpleArray); // print contents
31            }
32            else {
33               System.out.println(
34                  "Timed out while waiting for tasks to finish.");
35            }
36         }
37         catch (InterruptedException ex) { ...