fileIOJAVA

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package com.shawon.strings;

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


/**
 *
 * @author shawonmajid
 */
public class StringTest {
    public static void main(String[] args) {

        Scanner in = null;

        try {
            File input = new File("input.txt");
            in = new Scanner(input);
        } catch (FileNotFoundException ex) {
            System.out.println("Couldn't Open file");
        }

        int ans = 0;
        while(in.hasNext()){
            String cur = in.next();
            if(!cur.equals("end")){
                ans += Integer.parseInt(cur);
            }
        }

        System.out.println(ans);

    }
}