Module javafx.base
Package javafx.util.converter

## Class NumberStringConverter

- java.lang.Object
- - javafx.util.StringConverter<Number>
  - - javafx.util.converter.NumberStringConverter

- Direct Known Subclasses:
    `CurrencyStringConverter`, `PercentageStringConverter`

      public class NumberStringConverter
      extends StringConverter<Number>

  `StringConverter` implementation for `Number` values.

  Since:
    JavaFX 2.1

- - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `NumberStringConverter()` |
    `NumberStringConverter​(String pattern)` |
    `NumberStringConverter​(NumberFormat numberFormat)` |
    `NumberStringConverter​(Locale locale)` |
    `NumberStringConverter​(Locale locale, String pattern)` |

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `Number` | `fromString​(String value)` | Converts the string provided into an object defined by the specific converter.
    `protected NumberFormat` | `getNumberFormat()` | Return a `NumberFormat` instance to use for formatting and parsing in this `StringConverter`.
    `String` | `toString​(Number value)` | Converts the object provided into its string form.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### NumberStringConverter

          public NumberStringConverter()

    - #### NumberStringConverter

          public NumberStringConverter​(Locale locale)

    - #### NumberStringConverter

          public NumberStringConverter​(String pattern)

    - #### NumberStringConverter

          public NumberStringConverter​(Locale locale,
                                       String pattern)

    - #### NumberStringConverter

          public NumberStringConverter​(NumberFormat numberFormat)

  - ### Method Detail

    - #### fromString

          public Number fromString​(String value)

      Converts the string provided into an object defined by the specific converter. Format of the string and type of the resulting object is defined by the specific converter.
      Specified by:
        `fromString` in class `StringConverter<Number>`
      Parameters:
        `value` - the `String` to convert
      Returns:
        an object representation of the string passed in.

    - #### toString

          public String toString​(Number value)

      Converts the object provided into its string form. Format of the returned string is defined by the specific converter.
      Specified by:
        `toString` in class `StringConverter<Number>`
      Parameters:
        `value` - the object of type `T` to convert
      Returns:
        a string representation of the object passed in.

    - #### getNumberFormat

          protected NumberFormat getNumberFormat()

      Return a `NumberFormat` instance to use for formatting and parsing in this `StringConverter`.

      Returns:
        a `NumberFormat` instance for formatting and parsing in this `StringConverter`