question: private void addPrintLines ( int row , int col , Object data ) { while ( m_printRows . size ( ) <= row ) m_printRows . add ( null ) ; ArrayList < ArrayList < Object > > columns = m_printRows . get ( row ) ; if ( columns == null ) columns = new ArrayList < ArrayList < Object > > ( m_columnHeader . length ) ; while ( columns . size ( ) <= col ) columns . add ( null ) ; ArrayList < Object > coordinate = columns . get ( col ) ; if ( coordinate == null ) coordinate = new ArrayList < Object > ( ) ; coordinate . add ( data ) ; columns . set ( col , coordinate ) ; m_printRows . set ( row , columns ) ; log . finest ( "row=" + row + ", col=" + col + " - Rows=" + m_printRows . size ( ) + ", Cols=" + columns . size ( ) + " - " + data ) ; }
target:  Add Additional Lines to row/col