question: @ Override public StringBuffer format ( double value , StringBuffer buffer , FieldPosition field ) { for ( int i = choiceLimits . length - 1 ; i >= 0 ; i -- ) { if ( choiceLimits [ i ] <= value ) { return buffer . append ( choiceFormats [ i ] ) ; } } return choiceFormats . length == 0 ? buffer : buffer . append ( choiceFormats [ 0 ] ) ; }
target:  Appends the string associated with the range in which the specified double value fits to the specified string buffer.