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.
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.
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.
Mainframes are still very much a thing.
Where do you see them in the wild these days? Just out of curiosity.
Your JVM isn't going to be even close to able to keep up.
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