Write to a config file

//Writing values to the config file

File configFile = new File("config.properties");

 

try {

    Properties props = new Properties();

    props.setProperty("host", "www.codejava.net");

    FileWriter writer = new FileWriter(configFile);

    props.store(writer, "host settings");

    writer.close();

} catch (FileNotFoundException ex) {

    // file does not exist

} catch (IOException ex) {

    // I/O error

}



















//Reading values from the config file

File configFile = new File("config.properties");

 

try {

    FileReader reader = new FileReader(configFile);

    Properties props = new Properties();

    props.load(reader);

 

    String host = props.getProperty("host");

 

    System.out.print("Host name is: " + host);

    reader.close();

} catch (FileNotFoundException ex) {

    // file does not exist

} catch (IOException ex) {

    // I/O error

}