import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
public class ScheduledExecutorServiceTest
{
public static void main(String[] args) throws InterruptedException,ExecutionException
{
//*1
ScheduledExecutorService service=Executors.newScheduledThreadPool(2);
//*2
Runnable task1=new Runnable()
{
public void run()
{
System.out.println("Taskrepeating.");
}
};
//*3
final ScheduledFuture future1=service.scheduleAtFixedRate(task1,0,1,TimeUnit.SECONDS);
//*4
ScheduledFuture future2=service.schedule(new Callable()
{
public String call()
{
future1.cancel(true);
return "taskcancelled!";
}
},10,TimeUnit.SECONDS);
System.out.println(future2.get());
//*5
service.shutdown();
}
}
這個例子有兩個任務,第一個任務每隔一秒打印一句“Taskrepeating”,第二個任務在5秒鐘後取消第一個任務。