Sum ArrayList

The code has been modified slightly and now uploaded to the site.

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SumArrayList.java

import java.util.ArrayList;
import java.util.Scanner;

public class SumOfArrayList{
    public static void main(String[] args) {
        ArrayList<Double> list = new ArrayList<Double>();
        Scanner input = new Scanner(System.in);
        System.out.print("Enter numbers: ");
        boolean loop = true;
        while (loop == true){
            double value = input.nextDouble();
            list.add(value);
            if (value == 0){
                loop = false;
            }
        }
        double sum = sum(list);
        System.out.println(sum);
    }

    public static double sum(ArrayList<Double> list){
        double sum = 0;
        for (int i = 0; i < list.size(); i++){
            sum += list.get(i);
        }
        return sum;
    }
}

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