Java tutorial
import java.io.FileInputStream; import java.io.FileOutputStream; import java.util.Date; import java.util.Properties; public class Main { public static void main(String args[]) throws Exception { Properties p = new Properties(); p.put("today", new Date().toString()); p.put("user", "A"); FileOutputStream out = new FileOutputStream("user.props"); p.storeToXML(out, "updated"); FileInputStream in = new FileInputStream("user.props"); p.loadFromXML(in); p.list(System.out); } }