question: public void addElement ( Node value ) { if ( ! m_mutable ) throw new RuntimeException ( XSLMessages . createXPATHMessage ( XPATHErrorResources . ER_NODESET_NOT_MUTABLE , null ) ) ; if ( ( m_firstFree + 1 ) >= m_mapSize ) { if ( null == m_map ) { m_map = new Node [ m_blocksize ] ; m_mapSize = m_blocksize ; } else { m_mapSize += m_blocksize ; Node newMap [ ] = new Node [ m_mapSize ] ; System . arraycopy ( m_map , 0 , newMap , 0 , m_firstFree + 1 ) ; m_map = newMap ; } } m_map [ m_firstFree ] = value ; m_firstFree ++ ; }
target:  Append a Node onto the vector.