NitrogenRule implements IRule { @Override public Object[] getParameters() { return null; } NitrogenRule(); @Override void setParameters(Object[] params); @Override Object[] getParameters(); @Override double validate(IMolecularFormula formula);  }
@Test public void testDefault() throws ClassNotFoundException, CDKException, Exception { IRule rule = new NitrogenRule(); Object[] objects = rule.getParameters(); Assert.assertNull(objects); }