question: public void hideColumn ( Object columnName ) { if ( columnName == null ) { return ; } for ( int i = 0 ; i < columnModel . getColumnCount ( ) ; i ++ ) { TableColumn column = columnModel . getColumn ( i ) ; if ( columnName . equals ( column . getHeaderValue ( ) ) ) { hideColumn ( column ) ; break ; } } }
target:  Hide a column from view in the table.