question: public void deleteAttributes ( int [ ] columnIndices ) { int i ; Arrays . sort ( columnIndices ) ; addUndoPoint ( ) ; m_IgnoreChanges = true ; for ( i = columnIndices . length - 1 ; i >= 0 ; i -- ) { deleteAttributeAt ( columnIndices [ i ] , false ) ; } m_IgnoreChanges = false ; notifyListener ( new TableModelEvent ( this , TableModelEvent . HEADER_ROW ) ) ; }
target:  deletes the attributes at the given indices