类分层结构
- java.lang.
- java.lang. (implements java.io.)
- java.lang.
- java.lang.
- com.alibaba.dubbo.rpc.service.GenericException
- java.lang.
- java.lang.
- java.lang. (implements java.io.)
接口分层结构
- com.alibaba.dubbo.rpc.service.EchoService
- com.alibaba.dubbo.rpc.service.GenericService