/** @param args */ public static void main(String[] args) { DummyLinkedList l1 = new DummyLinkedList(); DummyLinkedList l2 = new DummyLinkedList(); l1.add(new Object()); l2.add(new Object()); Object o1 = l1.iterator().next(); Object o2 = l2.iterator().next(); DemandPATestUtil.makeVarUsed(o1); DemandPATestUtil.testThisVar(o2); }