public void saveToFileSystem(final String appName,final File propertyFileLocation) throws IOException {
  final OutputStream outputStream=new FileOutputStream(propertyFileLocation);
  properties.store(outputStream,"=== " + appName + " properties ===");
}

public void saveToFileSystem ( final String appName , final File propertyFileLocation ) throws IOException { final OutputStream outputStream = new FileOutputStream ( propertyFileLocation ) ; properties . store ( outputStream , "=== " + appName + " properties ===" ) ; }
saves the properties to the given file .
