public TimeZoneFormat setTimeZoneNames ( TimeZoneNames tznames ) { if ( isFrozen ( ) ) { throw new UnsupportedOperationException ( "Attempt to modify frozen object" ) ; } _tznames = tznames ; // TimeZoneGenericNames must be changed to utilize the new TimeZoneNames instance. _gnames = new TimeZoneGenericNames ( _locale , _tznames ) ; return this ; }
Sets the time zone display name data to this instance .