Exercise1

package Gotseva;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.Scanner;

public class Exercise1 {

    public static void main(String[] args) {

        double sum[] = new double[1000];
        numbersReader("numbers.txt", sum);
        printNumbers(sum);
        double sumTotal = sumNumbers(sum);
        System.out.println(sumTotal);

    }

    public static void numbersReader(String fname, double[] days){
        try {
            Scanner sc = new Scanner (new BufferedReader(new FileReader(fname)));
            for (int i=0; i<1000; i++){
                if (!sc.hasNext()){
                    throw new IOException("No data!");
                }
                days[i] = sc.nextInt();
            }
        }
        catch (FileNotFoundException ex){
        } catch (IOException ex){
        }
    }

    public static double sumNumbers (double[] days){

        double sumTotal = 0;
        for (int i=0; i<1000; i++){
            sumTotal += days[i];
        }
        return sumTotal;
    }

    public static void printNumbers(double[] days){
        for (int i=0; i<1000; i++){
            System.out.print(days[i] + " ");
        }
        System.out.println();
    }
}