### Question:
SpaceAge { double onMars() { throw new UnsupportedOperationException("Delete this statement and write your own implementation."); } SpaceAge(double seconds);   }### Answer:
@Ignore("Remove to run test") @Test public void ageOnMars() { SpaceAge age = new SpaceAge(2129871239L); assertEquals(35.88, age.onMars(), MAXIMUM_DELTA); }