@Test public void testClear () { try { new LeafItem (NAME, null).clear (); fail ("no exception"); } catch (ExecutionException ee) { } }
@Override void clear () { throw new ExecutionException ("symbol is not a structure"); }
LeafItem extends Item { @Override void clear () { throw new ExecutionException ("symbol is not a structure"); } }
LeafItem extends Item { @Override void clear () { throw new ExecutionException ("symbol is not a structure"); } LeafItem(String name, Item parent); }
LeafItem extends Item { @Override void clear () { throw new ExecutionException ("symbol is not a structure"); } LeafItem(String name, Item parent);  }
LeafItem extends Item { @Override void clear () { throw new ExecutionException ("symbol is not a structure"); } LeafItem(String name, Item parent);   }