How to solve Java data parsing problem?

Question

Java

Let's say we have a file with information about people (Height, weight, foot size, and the color of the T-shirt, we have 2 of them)
And there is a second file where we have all the information except the color of the T-shirt.
The essence of the problem: Determine the color of the T-shirts of people in the second file.

Answer 1

As I understand it, we are talking about a task on machine learning. For a task of this type in Java, I used the weka library. But in general, java is not the most suitable tool for such tasks.