JavaHWproblem

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

public class _08_SumNumbersFromAText {
    @SuppressWarnings("resource")
    public static void main(String[] args) throws FileNotFoundException {
        Scanner input = new Scanner(new File("input.txt"));
        int sum = 0;
        while (input.hasNextLine()) {
            sum += Integer.parseInt(input.nextLine());
        }
        System.out.println(sum);
    }
}