// A program from Chapter 21 of Sams Teach Yourself Java in 24 Hours // by Rogers Cadenhead, http://www.java24hours.com/ package com.java24hours; import java.io.*; public class ConfigWriter { String newline = System.getProperty("line.separator"); public ConfigWriter() { try { File file = new File("program.properties"); FileOutputStream fileStream = new FileOutputStream(file); write(fileStream, "username=max"); write(fileStream, "score=12550"); write(fileStream, "level=5"); fileStream.close(); } catch (IOException ioe) { System.out.println("Could not write file"); } } void write(FileOutputStream stream, String output) throws IOException { output = output + newline; byte[] data = output.getBytes(); stream.write(data, 0, data.length); } public static void main(String[] arguments) { ConfigWriter cw = new ConfigWriter(); } }