public class Demo { public static void main(String[] args) { System.out.println("GenericLinkedList"); GenericLinkedList stringList = new GenericLinkedList(); stringList.addFirst("A"); stringList.addFirst("B"); stringList.addLast("C"); System.out.println(stringList); // B -> A -> C String s; s = stringList.removeLast(); System.out.println("s = " + s + "; LIST = " + stringList); s = stringList.removeLast(); System.out.println("s = " + s + "; LIST = " + stringList); s = stringList.removeLast(); System.out.println("s = " + s + "; LIST = " + stringList); s = stringList.removeLast(); System.out.println("s = " + s + "; LIST = " + stringList); } }