LineByLine

import java.io.*;
import java.nio.*;
import java.util.*;

public class LineByLine
{
    public static void main(String[] args) throws IOException, InterruptedException {
        String filename="c:\\Temp\\terkepek\\20180824.dat";
        System.out.println(filename);
        withString(filename);
        //System.out.println("ENTER..."); try { System.in.read(); } catch (Exception e) { e.printStackTrace(); }
        Thread.sleep(5000);
        withStringBuffer(filename);
        //System.out.println("ENTER..."); try { System.in.read(); } catch (Exception e) { e.printStackTrace(); }
        Thread.sleep(5000);
    }

    private static void withString(String filename) {
        try {
            BufferedReader br = new BufferedReader(new FileReader(new File(filename)));
            String line = null;
            while ( ( line = br.readLine() ) != null ) {
                //System.out.println(line);
            }
        } catch (Exception e) {
        }
    }

    private static void withStringBuffer(String filename) {
        try {
            BufferedReader br = new BufferedReader(new FileReader(new File(filename)));
            StringBuilder line = new StringBuilder();
            while ( ( line.replace(0, line.length(), br.readLine().replaceAll("\\s*\\*\\s*$","") ) ) != null ) {
                //System.out.println(line.toString());
            }
        } catch (Exception e) {
        }
    }

}