# Class NumberAxis.DefaultFormatter

java.lang.Object
javafx.util.StringConverter<Number>
javafx.scene.chart.NumberAxis.DefaultFormatter

Enclosing class:
  `NumberAxis`

public static class NumberAxis.DefaultFormatter extends StringConverter<Number>
Default number formatter for NumberAxis, this stays in sync with auto-ranging and formats values appropriately. You can wrap this formatter to add prefixes or suffixes;

Since:
  JavaFX 2.0

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `DefaultFormatter(NumberAxis axis)`
  Construct a DefaultFormatter for the given NumberAxis
  `DefaultFormatter(NumberAxis axis, String prefix, String suffix)`
  Construct a DefaultFormatter for the given NumberAxis with a prefix and/or suffix.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `Number`
  `fromString(String string)`
  Converts the string provided into a Number defined by the this converter.
  `String`
  `toString(Number object)`
  Converts the object provided into its string form.

  ### Methods declared in class java.lang.Object

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

- ## Constructor Details

  - ### DefaultFormatter

    public DefaultFormatter(NumberAxis axis)
    Construct a DefaultFormatter for the given NumberAxis
    Parameters:
      `axis` - The axis to format tick marks for

  - ### DefaultFormatter

    public DefaultFormatter(NumberAxis axis, String prefix, String suffix)
    Construct a DefaultFormatter for the given NumberAxis with a prefix and/or suffix.
    Parameters:
      `axis` - The axis to format tick marks for
      `prefix` - The prefix to append to the start of formatted number, can be null if not needed
      `suffix` - The suffix to append to the end of formatted number, can be null if not needed

- ## Method Details

  - ### toString

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

  - ### fromString

    public Number fromString(String string)
    Converts the string provided into a Number defined by the this converter. Format of the string and type of the resulting object is defined by this converter.
    Specified by:
      `fromString` in class `StringConverter<Number>`
    Parameters:
      `string` - the `String` to convert
    Returns:
      a Number representation of the string passed in.
    See Also:
      - `StringConverter.toString(T)`