package servlet.test;
import java.util.Random;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
public class CallableAndFutureTest {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
ExecutorService threadPool = Executors.newSingleThreadExecutor();
Future<Integer> future = threadPool.submit(new Callable<Integer>() {
public Integer call() throws Exception {
Thread.sleep(1000);
return new Random().nextInt(100);
}
});
try {
System.out.println(future.get());
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ExecutionException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally{
threadPool.shutdown();
}
}
}