Question

I have a program which reads Inbox messages from email accounts, as the title says i would like to run the program after every 1.5hrs.

Is there any OS(Windows and Linux) level or JVM level solution which would help in performing the task.
Thanks.

Answer 1

Taken from javadoc of ScheduledExecutorService:

 import static java.util.concurrent.TimeUnit.*;
 class BeeperControl {
    private final ScheduledExecutorService scheduler =
       Executors.newScheduledThreadPool(1);

    public void beepForAnHour() {
        final Runnable beeper = new Runnable() {
                public void run() { System.out.println("beep"); }
            };
        final ScheduledFuture<?> beeperHandle =
            scheduler.scheduleAtFixedRate(beeper, 10, 10, SECONDS);
        scheduler.schedule(new Runnable() {
                public void run() { beeperHandle.cancel(true); }
            }, 60 * 60, SECONDS);
    }
 }