question: protected VectorFormat ( final String prefix , final String suffix , final String separator , final NumberFormat format ) { this . prefix = prefix ; this . suffix = suffix ; this . separator = separator ; trimmedPrefix = prefix . trim ( ) ; trimmedSuffix = suffix . trim ( ) ; trimmedSeparator = separator . trim ( ) ; this . format = format ; }
target:  Create an instance with custom prefix, suffix, separator and format for components.