How to take the minor symbol in a Java account

Question

I was wondering how to remove the least ( - ) that gets when I make an account
Example:
double X = 10;
double y = 5;
double res = X - y;
Result comes out like this: -10
How do I remove this -

Answer 1

X - y (10 - 5) should yield 5.0. How can it be -10?

Answer 2

Use Math.abs()

https://www.javatpoint.com/java-math-abs-method

Answer 3

Kkkkkk Account error, I made the account and did not even notice this detail