question: public String toString ( ) { StringBuffer buffer = new StringBuffer ( ) ; buffer . append ( toString ( getClass ( ) ) ) ; buffer . append ( "[UseDefault=" ) ; buffer . append ( isUseDefault ( ) ) ; buffer . append ( ", UseLocaleFormat=" ) ; buffer . append ( useLocaleFormat ) ; if ( pattern != null ) { buffer . append ( ", Pattern=" ) ; buffer . append ( pattern ) ; } if ( locale != null ) { buffer . append ( ", Locale=" ) ; buffer . append ( locale ) ; } buffer . append ( ']' ) ; return buffer . toString ( ) ; }
target:  Provide a String representation of this number converter.