How to find out in Java that one real number is greater than or equal to the second?

Question

Java

Hello!
I can't think.
I create a variable To check if two numbers are equal, I write How to check if sum is greater than or equal to 1000?
double epsilon = 1.0e-10;
Math.abs(sum - 1000) <= epsilon

Answer 1

But how to check if sum is greater than or equal to 1000?

if(sum >= 1000)