@Test public void testSetValueOnIndex() { list.add("Ann"); list.add("Iren"); list.add("Olga"); list.add("Helen"); list.add("Marina"); list.add("Billie"); list.set("Cat", 0); list.set("Dog", 1); list.set("Bird", 2); list.set("Kittie", 3); list.set("Doggy", 4); list.set("Birdy", 5); assertEquals("Cat", list.get(0)); assertEquals("Dog", list.get(1)); assertEquals("Bird", list.get(2)); assertEquals("Kittie", list.get(3)); assertEquals("Doggy", list.get(4)); assertEquals("Birdy", list.get(5)); }