<分区>
我正在学习 CompletableFuture,在下面的代码片段中,thenAccept()
方法没有打印应该为 10
的值,但程序编译无一异常(exception)。谁能给我解释一下这是什么问题?
import java.util.concurrent.*;
import java.util.stream.Stream;
public class CompletableFutureTest {
public static void main(String[] args) throws ExecutionException, InterruptedException {
CompletableFuture.supplyAsync(CompletableFutureTest::counting).thenAccept(System.out::println);
System.out.println("xD");
}
public static int counting() {
Stream.iterate(1, integer -> integer +1).limit(5).forEach(System.out::println);
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
return 10;
}
}