Gimme that shit ill reprogram it in your choice of a dozen different languages. Think because its written in some ancient bullshit we cant learn it in 3 days. I eat languages for breakfast and shit out the Rosetta stone.
Your JVM isn't going to be even close to able to keep up.
Dumb. You are working in the age of Google-able documentation. That mainframe stuff is in 2 places: 1) printed docs which largely no longer exist. 2) The heads of a bunch of gray hairs.
And even with the docs its just a harder environment in which to work. There is no ActiveRecord for dbase.
Mainframes are still very much a thing. 40 TB of RAM, get rekt (ibm.com)
Where do you see them in the wild these days? Just out of curiosity.
Who cares if you can't read code understand a system and reimplement it you dont deserve to call yourself a programmer. All you conveyed is that you have an undocumented system that nobody understands that will be useless as soon as one person walks out the door unless you invest in a migration.
I look forward to your posts on your new and wildly successful COBOL programming consultancy.
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