public static void saveProperties() throws IOException{
for(OracleConnection con:properties.getOracleConnectionArray()){
System.out.println(con.getHost());
}
PropertiesDocument doc = PropertiesDocument.Factory.newInstance();
Properties props = doc.addNewProperties();
props.addNewProperty();
props.setProperty(properties);
doc.save(new File(PROPERTIES_FILENAME));
}