# 程序包org.springframework.util.backoff的分层结构

程序包分层结构:

- 所有程序包

## 类分层结构

- java.lang.Object
  - org.springframework.util.backoff.ExponentialBackOff (implements org.springframework.util.backoff.BackOff)
  - org.springframework.util.backoff.FixedBackOff (implements org.springframework.util.backoff.BackOff)

## 接口分层结构

- org.springframework.util.backoff.BackOff
- org.springframework.util.backoff.BackOffExecution