How to controll other programming file from another file

Question

Xml from java

Answer 1

Why xml? Is this related to what you want to do?

To help narrow down the request (it's broad):

What exactly are you trying to control? For example:
Another Java program
A program in the host OS

Does this include inputs, like sending keystrokes?

Or...maybe you want to read a data file?

Answer 2

Changing file data of Xml from java