How to use

remove

method

in

org.apache.wicket.util.collections.ArrayListStack

/**
 * @see IPageVersionManager#expireOldestVersion()
 */
public void expireOldestVersion()
{
  changeListStack.remove(0);
}

/**
 * @see IPageVersionManager#expireOldestVersion()
 */
public void expireOldestVersion()
{
  changeListStack.remove(0);
}

/**
 * Removes the object at the top of this stack and returns that object.
 * 
 * @return The object at the top of this stack
 * @exception EmptyStackException
 *                If this stack is empty.
 */
public final T pop()
{
  final T top = peek();
  remove(size() - 1);
  return top;
}

/**
 * Removes the object at the top of this stack and returns that object.
 * 
 * @return The object at the top of this stack
 * @exception EmptyStackException
 *                If this stack is empty.
 */
public final Object pop()
{
  final Object top = peek();
  remove(size() - 1);
  return top;
}

/**
 * Removes the object at the top of this stack and returns that object.
 * 
 * @return The object at the top of this stack
 * @exception EmptyStackException
 *                If this stack is empty.
 */
public final T pop()
{
  final T top = peek();
  remove(size() - 1);
  return top;
}

/**
 * @param entry
 *            Entry that was accessed
 */
private final void pushAccess(IPageMapEntry entry)
{
  // Create new access entry
  final Access access = new Access();
  access.id = entry.getNumericId();
  access.version = versionOf(entry);
  if (accessStack.size() > 0)
  {
    if (peekAccess().equals(access))
    {
      return;
    }
    int index = accessStack.indexOf(access);
    if (index >= 0)
    {
      accessStack.remove(index);
    }
  }
  accessStack.push(access);
  dirty();
}

/**
 * @param entry
 *            Entry that was accessed
 */
private final void pushAccess(IPageMapEntry entry)
{
  // Create new access entry
  final Access access = new Access();
  access.id = entry.getNumericId();
  access.version = versionOf(entry);
  if (accessStack.size() > 0)
  {
    if (peekAccess().equals(access))
    {
      return;
    }
    int index = accessStack.indexOf(access);
    if (index >= 0)
    {
      accessStack.remove(index);
    }
  }
  accessStack.push(access);
  dirty();
}

    .getAccessStack().remove(0);
final IPageMapEntry oldestEntry = pageMap.getEntry(oldestAccess.getId());

  .remove(0);
final IPageMapEntry oldestEntry = pageMap.getEntry(oldestAccess.getId());