# 程序包的使用
org.springframework.util.concurrent

- 使用org.springframework.util.concurrent的程序包
  程序包 | 说明
  --- | ---
  org.springframework.core.task | This package defines Spring's core TaskExecutor abstraction, and provides SyncTaskExecutor and SimpleAsyncTaskExecutor implementations.
  org.springframework.core.task.support | Support classes for Spring's TaskExecutor abstraction.
  org.springframework.util.concurrent | Useful generic `java.util.concurrent.Future` extension.

- org.springframework.core.task使用的org.springframework.util.concurrent中的类
  类和说明
  ListenableFuture Extend `Future` with the capability to accept completion callbacks.

- org.springframework.core.task.support使用的org.springframework.util.concurrent中的类
  类和说明
  ListenableFuture Extend `Future` with the capability to accept completion callbacks.

- org.springframework.util.concurrent使用的org.springframework.util.concurrent中的类
  类和说明
  FailureCallback Failure callback for a `ListenableFuture`.
  FutureAdapter Abstract class that adapts a `Future` parameterized over S into a `Future` parameterized over T.
  ListenableFuture Extend `Future` with the capability to accept completion callbacks.
  ListenableFutureCallback Callback mechanism for the outcome, success or failure, from a `ListenableFuture`.
  SuccessCallback Success callback for a `ListenableFuture`.