/** Moo */
@Test
public void testIsEmpty() {
assertTrue(words.isEmpty());
words.add("hello");
assertFalse(words.isEmpty());
words.remove(0);
assertTrue(words.isEmpty());
}
public static int binarySearch(MyArrayList list, Object key) {
if (list.isEmpty()) return -1;
return binarySearch(list, 0, list.size() - 1, key);
}