Assignemnt #128

Code

/// Name: Justin Li
/// Period: 7
/// Program Name: Summing Several Numbers
/// File Name: SummingSeveralNumbers.java
/// Date Finished: 6/3/2016

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

public class SummingSeveralNumbers {

    public static void main(String[] args) throws Exception {

        int sum = 0;
        String fileName = "";
        Scanner keyboard = new Scanner(System.in);

        while (!fileName.equals("exit"))
        {
            System.out.print("Which file would you like to read from?\n>");
            fileName = keyboard.next();

            if (!fileName.equals("exit"))
            {
                System.out.print("Reading numbers from file \"" + fileName + "\":\n\n>");

                Scanner fileIn = new Scanner(new File(fileName));

                while(fileIn.hasNext())
                {
                    try {
                        int temp = fileIn.nextInt();
                        System.out.print(" " + temp);
                        sum += temp;
                    }
                    catch (InputMismatchException e){};
                }

                fileIn.close();

                System.out.println("\nSum is " + sum);
            }
        }
    }
}

    

Picture of the output