Java - Sum Lines in a text file

Description

Sum Lines in a text file

Demo

import java.io.*;

public class SumLines {
    public static void main(String[] args) throws IOException {

        BufferedReader reader = new BufferedReader(new FileReader(new File("files/lines.txt")));
        String lines = reader.readLine();
        while(lines != null){
            int currentSum = 0;
            for (int i = 0; i < lines.length(); i++) {
                currentSum += lines.charAt(i);
            }/* w  ww.jav a2s .c om*/
            lines = reader.readLine();
            System.out.println(currentSum);
        }

    }
}

Related Exercise

• Readers and Writers
• Converting a byte-based stream to a character-based stream
• Save text to text file
• Write to text file with FileWriter

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