CronExpression implements Serializable { public String getCronExpression() { return cronExpression; } CronExpression(String cronExpression); String toString(); static boolean isValidExpression(String cronExpression); String getCronExpression(); String getExpressionSummary();  }
@Test public void testGetCronExpression() throws Exception { assertEquals("0 15 10 * * ? 2005", new CronExpression("0 15 10 * * ? 2005").getCronExpression()); }