private void shift ( final String _key ) { for ( int i = this . threshold ; i > 0 ; i -- ) { this . props . setProperty ( _key + i , this . props . getProperty ( _key + ( i - 1 ) , "" ) . trim ( ) ) ; } int i = this . threshold + 1 ; while ( this . props . contains ( _key + i ) ) { this . props . remove ( _key + i ) ; i ++ ; } }
Shift a property .