List<String> vs byte[]

import java.io.IOException;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.List;

public class m2 {

    static public void main( String args[] ) throws Exception
    {
        try {
            String filename = "C:\\Temp\\beanshell-DAT.java\\dat_xxx.dat";

            System.out.println(Files.size(Paths.get(filename)));

            List<String> lines = Files.readAllLines(Paths.get(filename), Charset.forName("Cp1250"));
            System.out.println(lines.size()+" "+lines.toString().length());

            byte[] bytes = Files.readAllBytes(Paths.get(filename));
            System.out.println(bytes.length);

            System.out.print("Press ENTER..."); System.in.read();
       }
       catch (IOException e) {
            e.printStackTrace();
       }
    }

}