Пример #1
0
 /**
  * Die Liste pList wird an die Liste angehaengt. Anschliessend wird pList eine leere Liste. Das
  * aktuelle Objekt bleibt unveraendert. Falls pList null oder eine leere Liste ist, bleibt die
  * Liste unveraendert.
  *
  * @param pList Liste
  */
 public void concat(List pList) {
   Node lCurrent1, lCurrent2, lPos0;
   if (pList != null && !pList.isEmpty()) {
     if (this.isEmpty()) {
       first = pList.first;
       tail = pList.tail;
       current = tail;
     } else {
       lPos0 = current;
       current = tail.getNext();
       lCurrent1 = current;
       pList.toFirst();
       current = pList.current;
       lCurrent2 = pList.current;
       lCurrent1.setNext(lCurrent2);
       if (lPos0 != tail) {
         current = lPos0;
       } else {
         current = pList.tail;
       }
       tail = pList.tail;
     }
     // pList wird zur leeren Liste
     pList.tail = new Node(null); // Dummy
     pList.first = pList.tail;
     pList.tail.setNext(tail);
     pList.current = pList.tail;
   }
 }
Пример #2
0
  /** @param args */
  public static void main(String[] args) {
    // TODO Auto-generated method stub

    ListFactory<String> factory = new ArrayListFactory<String>();
    List<String> theList = factory.newInstance();

    theList.add("Ron");
    theList.add("Jil");
    theList.add("Amy");
    theList.add("Ron");
    printList(theList);

    theList.add(0, "Apu");
    theList.add(theList.size(), "Xi");
    System.out.println("First element: " + theList.first());
    System.out.println("Last element: " + theList.last());
    printList(theList);

    theList.remove("Amy");
    System.out.println("After removing Amy: " + theList.last());
    printList(theList);

    theList.removeAll("Ron");
    System.out.println("After removing all Ron: " + theList.last());
    printList(theList);

    theList.add("Mel");
    theList.add(1, "Cal");
    printList(theList);
    theList.add("Cal");
    printList(theList);
    System.out.println("First Index of Cal: " + theList.firstIndex("Cal"));
    System.out.println("Last Index of Cal: " + theList.lastIndex("Cal"));
    System.out.println("First Index of Xi: " + theList.firstIndex("Xi"));
    System.out.println("Last Index of Xi: " + theList.lastIndex("Xi"));
    System.out.println("First Index of Li: " + theList.firstIndex("Li"));
    System.out.println("Last Index of Li: " + theList.lastIndex("Li"));

    System.out.println("Element at position 2: " + theList.get(2));
    theList.set(2, "Al");
    System.out.println("Element at position 2: " + theList.get(2));
    printList(theList);

    theList.clear();
    printList(theList);
  }
Пример #3
0
 protected Customer headOfQueue() {
   return (Customer) q.first();
 }