Absolutely.java

import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;

public class Absolutely {
    public static void main(String[] args) throws FileNotFoundException {
        //Scanner scanner = new Scanner(System.in);
        Scanner scanner = new Scanner(new File("C:\\Users\\cbilson\\Absolutely.txt"));

        int problems = scanner.nextInt();

        for (int i = 0; i < problems; i++) {
            double x = scanner.nextDouble();
            double y = scanner.nextDouble();
            double d = Math.abs(x - y);
            System.out.println(Math.round(d * 10.0) / 10.0);
        }
    }
}