private RandomData createRandom(){
  final JDKRandomGenerator randomGen=new JDKRandomGenerator();
  randomGen.setSeed(1234567890);
  return new RandomDataImpl(randomGen);
}

private RandomData createRandom ( ) { final JDKRandomGenerator randomGen = new JDKRandomGenerator ( ) ; randomGen . setSeed ( 1234567890 ) ; return new RandomDataImpl ( randomGen ) ; }
to be able to use a specific seed and make everything reproducible .
