Method testVisual

collectiontopics/ListOps.java:69–93

(List<String> a)

    it.set("47");
  }
  public static void testVisual(List<String> a) {
    System.out.println(a);
    List<String> b = LIST;
    System.out.println("b = " + b);
    a.addAll(b);
    a.addAll(b);
    System.out.println(a);
    // Insert, remove, and replace elements
    // using a ListIterator:
    ListIterator<String> x =
      a.listIterator(a.size()/2);
    x.add("one");
    System.out.println(a);
    System.out.println(x.next());
    x.remove();
    System.out.println(x.next());
    x.set("47");
    System.out.println(a);
    // Traverse the list backwards:
    x = a.listIterator(a.size());
    while(x.hasPrevious())
      System.out.print(x.previous() + " ");
    System.out.println();
    System.out.println("testVisual finished");
  }
  // There are some things that only LinkedLists can do:
  public static void testLinkedList() {
    LinkedList<String> ll = new LinkedList<>();