public interface ScheduledFuture<V> extends Delayed, Future<V> A delayed result-bearing action that can be cancelled. Usually a scheduled future …
ScheduledFuture<?>可以理解就是一个定时任务 任务保存在数据库，当应用开启后立刻查看所有任务，用Map<String, ScheduledFuture<?>>装起来，key可 …
All Superinterfaces: Comparable <Delayed> ， Delayed ， Future <V>. All Known Subinterfaces: RunnableScheduledFuture <V>. public …
public interface ScheduledFuture<V> extends Delayed, Future<V> A delayed result-bearing action that can be cancelled. Usually a scheduled future …
public interface ScheduledFuture<V> extends Delayed, Future <V> 可以取消的延迟产生结果的动作。 通常，预定的未来是使用 ScheduledExecutorService 安排 …
更多内容请点击：ScheduledFuture (Java Platform SE 8 ) - Oracle