Code example for Vector

Methods: insertElementAt

     * Inserts the first child node of this syntax tree node. The existing 
     * children are shifted back one position. 
     * @param element is the new child node. 
    protected final void setFirstElement(SyntaxTreeNode element) {
     * Removed a child node of this syntax tree node. 
     * @param element is the child node to remove. 
    protected final void removeElement(SyntaxTreeNode element) {
     * Returns a Vector containing all the child nodes of this node.