Examples of java.util.Vector

java.util.Vector
The {@code Vector} class implements a growable array ofobjects. Like an array, it contains components that can be accessed using an integer index. However, the size of a {@code Vector} can grow or shrink as needed to accommodateadding and removing items after the {@code Vector} has been created.
Each vector tries to optimize storage management by maintaining a {@code capacity} and a {@code capacityIncrement}. The {@code capacity} is always at least as large as the vectorsize; it is usually larger because as components are added to the vector, the vector's storage increases in chunks the size of {@code capacityIncrement}. An application can increase the capacity of a vector before inserting a large number of components; this reduces the amount of incremental reallocation.
The Iterators returned by Vector's iterator and listIterator methods are fail-fast: if the Vector is structurally modified at any time after the Iterator is created, in any way except through the Iterator's own remove or add methods, the Iterator will throw a ConcurrentModificationException. Thus, in the face of concurrent modification, the Iterator fails quickly and cleanly, rather than risking arbitrary, non-deterministic behavior at an undetermined time in the future. The Enumerations returned by Vector's elements method are not fail-fast.
Note that the fail-fast behavior of an iterator cannot be guaranteed as it is, generally speaking, impossible to make any hard guarantees in the presence of unsynchronized concurrent modification. Fail-fast iterators throw {@code ConcurrentModificationException} on a best-effort basis.Therefore, it would be wrong to write a program that depended on this exception for its correctness: the fail-fast behavior of iterators should be used only to detect bugs.
As of the Java 2 platform v1.2, this class was retrofitted to implement the {@link List} interface, making it a member of the Java Collections Framework. Unlike the new collection implementations, {@code Vector} is synchronized. @author Lee Boynton @author Jonathan Payne @version 1.106, 06/16/06 @see Collection @see List @see ArrayList @see LinkedList @since JDK1.0

   * Notify all instance listeners that a new instance is available
   *
   * @param e an <code>InstanceEvent</code> value
   */
  protected void notifyInstanceLoaded(InstanceEvent e) {
    Vector l;
    synchronized (this) {
      l = (Vector)m_listeners.clone();
    }
    
    if (l.size() > 0) {
      for(int i = 0; i < l.size(); i++) {
  ((InstanceListener)l.elementAt(i)).acceptInstance(e);
      }
      m_dataSet = null;
    }
  }

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     *
     *
     * @return ...
     */
    public Enumeration getSubnodes() {
        return (nodes == null) ? new Vector().elements() : nodes.elements();
    }

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     * creates document header too and initializes
     * the cache of already converted nodes.
     */
    public boolean write(INode node) throws IOException {
        rootState = node.getState();
        convertedNodes = new Vector();


        if (explicitEncoding == null) {
            writeln("<?xml version=\"1.0\"?>");
        } else {
            writeln("<?xml version=\"1.0\" encoding=\"" + explicitEncoding + "\"?>");

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      }
    }
  }


  protected void notifyTestListeners(TestSetEvent tse) {
    Vector l;
    synchronized (this) {
      l = (Vector)m_testListeners.clone();
    }
    if (l.size() > 0) {
      for(int i = 0; i < l.size(); i++) {
  System.err.println("Notifying test listeners "
         +"(ClassAssigner)");
  ((TestSetListener)l.elementAt(i)).acceptTestSet(tse);
      }
    }
  }

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      }
    }
  }


  protected void notifyTrainingListeners(TrainingSetEvent tse) {
    Vector l;
    synchronized (this) {
      l = (Vector)m_trainingListeners.clone();
    }
    if (l.size() > 0) {
      for(int i = 0; i < l.size(); i++) {
  System.err.println("Notifying training listeners "
         +"(ClassAssigner)");
  ((TrainingSetListener)l.elementAt(i)).acceptTrainingSet(tse);
      }
    }
  }

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      }
    }
  }


  protected void notifyDataListeners(DataSetEvent tse) {
    Vector l;
    synchronized (this) {
      l = (Vector)m_dataListeners.clone();
    }
    if (l.size() > 0) {
      for(int i = 0; i < l.size(); i++) {
  System.err.println("Notifying data listeners "
         +"(ClassAssigner)");
  ((DataSourceListener)l.elementAt(i)).acceptDataSet(tse);
      }
    }
  }

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      }
    }
  }


  protected void notifyInstanceListeners(InstanceEvent tse) {
    Vector l;
    synchronized (this) {
      l = (Vector)m_instanceListeners.clone();
    }
    if (l.size() > 0) {
      for(int i = 0; i < l.size(); i++) {
  //  System.err.println("Notifying instance listeners "
  //         +"(ClassAssigner)");
  
  ((InstanceListener)l.elementAt(i)).acceptInstance(tse);
      }
    }
  }

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      }
    }
  }


  protected void notifyDataFormatListeners() {
    Vector l;
    synchronized (this) {
      l = (Vector)m_dataFormatListeners.clone();
    }
    if (l.size() > 0) {
      DataSetEvent dse = new DataSetEvent(this, m_connectedFormat);
      for(int i = 0; i < l.size(); i++) {
  //  System.err.println("Notifying instance listeners "
  //         +"(ClassAssigner)");
  ((DataFormatListener)l.elementAt(i)).newDataFormat(dse);
      }
    }
  }

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  private int bitBuf;
  private int bitPos;


  private void addComment(String s) {
    if (comments == null) {
      comments = new Vector();
    }
    comments.addElement(s);
  }

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    }
    return dataSet;
  }


  protected void notifyDataListeners(DataSetEvent tse) {
    Vector l;
    synchronized (this) {
      l = (Vector)m_dataListeners.clone();
    }
    if (l.size() > 0) {
      for(int i = 0; i < l.size(); i++) {
  System.err.println("Notifying data listeners "
         +"(ClassValuePicker)");
  ((DataSourceListener)l.elementAt(i)).acceptDataSet(tse);
      }
    }
  }

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