有人使用Java进行大型机或AS / 400批处理吗？

I'm going to propose to a client that I build some batch jobs in Java that will run on their mainframe and/or AS/400s (sorry System z and System i). Both platforms are up to date system software wise. I'm wondering if anyone has done this and can provide any pointer or gotchas to watch out for.I'm going to propose to a client that I build s