package test;
 
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 FetureCallableTest {
  private static ExecutorService service = Executors.newFixedThreadPool(100);
  private static int count = 1;
  public static void main(String[] args) throws InterruptedException, ExecutionException {
    int sum = 0;
    for(int i = 0; i < 100; i++) {
      Future<Integer> future = service.submit(new Callable<Integer>(){
   
        @Override
        public Integer call() throws Exception {
          System.out.println(Thread.currentThread().getName());
          return ++count;
        }
         
      });
      int f = future.get();
      sum += f;
      System.out.println("future is " + f);
    }
    System.out.println("sum is " + sum);
    service.shutdownNow();
  }
 
}