ListView extends CollectionView<E> implements List<E> { public E set(int index, E element) { throw new UnsupportedOperationException(); } ListView(List<E> list); void add(int index, E element); boolean addAll(int index, Collection<? extends E> collection); boolean equals(Object obj); E get(int index); int hashCode(); int indexOf(Object obj); int lastIndexOf(Object obj); ListIterator<E> listIterator(); ListIterator<E> listIterator(int index); E remove(int index); E set(int index, E element); List<E> subList(int fromIndex, int toIndex);  }
@Test public void testSet() { this.source.add("1"); try { ((ListView) this.testobj).set(0, "2"); fail("Expected an UnsupportedOperationException, but no exception was raised."); } catch (UnsupportedOperationException e) { } assertTrue(this.source.contains("1")); assertFalse(this.source.contains("2")); }