### Question:
Kleene extends ERE { @Override public boolean containsEpsilon() { return true; } private  Kleene(ERE child); static ERE get(ERE child); @Override EREType getEREType(); @Override String toString(); @Override ERE copy(); @Override boolean containsEpsilon(); @Override ERE derive(Symbol s);  }### Answer:
@Test public void testContainsEpsilon() { assertTrue(aStar.containsEpsilon()); }