compact1, compact2, compact3
java.text

## Class NumberFormat.Field

- java.lang.Object
- - java.text.AttributedCharacterIterator.Attribute
  - - java.text.Format.Field
    - - java.text.NumberFormat.Field

- All Implemented Interfaces:
    Serializable
  Enclosing class:
    NumberFormat

      public static class NumberFormat.Field
      extends Format.Field

  Defines constants that are used as attribute keys in the `AttributedCharacterIterator` returned from `NumberFormat.formatToCharacterIterator` and as field identifiers in `FieldPosition`.
  Since:
    1.4
  See Also:
    Serialized Form

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static NumberFormat.Field` | `CURRENCY` Constant identifying the currency field.
    `static NumberFormat.Field` | `DECIMAL_SEPARATOR` Constant identifying the decimal separator field.
    `static NumberFormat.Field` | `EXPONENT` Constant identifying the exponent field.
    `static NumberFormat.Field` | `EXPONENT_SIGN` Constant identifying the exponent sign field.
    `static NumberFormat.Field` | `EXPONENT_SYMBOL` Constant identifying the exponent symbol field.
    `static NumberFormat.Field` | `FRACTION` Constant identifying the fraction field.
    `static NumberFormat.Field` | `GROUPING_SEPARATOR` Constant identifying the grouping separator field.
    `static NumberFormat.Field` | `INTEGER` Constant identifying the integer field.
    `static NumberFormat.Field` | `PERCENT` Constant identifying the percent field.
    `static NumberFormat.Field` | `PERMILLE` Constant identifying the permille field.
    `static NumberFormat.Field` | `SIGN` Constant identifying the sign field.

    - ### Fields inherited from class java.text.AttributedCharacterIterator.Attribute

      `INPUT_METHOD_SEGMENT, LANGUAGE, READING`

  - ### Constructor Summary

    Constructors
    Modifier | Constructor and Description
    --- | ---
    `protected` | `Field(String name)` Creates a Field instance with the specified name.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `protected Object` | `readResolve()` Resolves instances being deserialized to the predefined constants.

    - ### Methods inherited from class java.text.AttributedCharacterIterator.Attribute

      `equals, getName, hashCode, toString`

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

      `clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

- - ### Field Detail

    - #### INTEGER

          public static final NumberFormat.Field INTEGER

      Constant identifying the integer field.

    - #### FRACTION

          public static final NumberFormat.Field FRACTION

      Constant identifying the fraction field.

    - #### EXPONENT

          public static final NumberFormat.Field EXPONENT

      Constant identifying the exponent field.

    - #### DECIMAL_SEPARATOR

          public static final NumberFormat.Field DECIMAL_SEPARATOR

      Constant identifying the decimal separator field.

    - #### SIGN

          public static final NumberFormat.Field SIGN

      Constant identifying the sign field.

    - #### GROUPING_SEPARATOR

          public static final NumberFormat.Field GROUPING_SEPARATOR

      Constant identifying the grouping separator field.

    - #### EXPONENT_SYMBOL

          public static final NumberFormat.Field EXPONENT_SYMBOL

      Constant identifying the exponent symbol field.

    - #### PERCENT

          public static final NumberFormat.Field PERCENT

      Constant identifying the percent field.

    - #### PERMILLE

          public static final NumberFormat.Field PERMILLE

      Constant identifying the permille field.

    - #### CURRENCY

          public static final NumberFormat.Field CURRENCY

      Constant identifying the currency field.

    - #### EXPONENT_SIGN

          public static final NumberFormat.Field EXPONENT_SIGN

      Constant identifying the exponent sign field.

  - ### Constructor Detail

    - #### Field

          protected Field(String name)

      Creates a Field instance with the specified name.
      Parameters:
        `name` - Name of the attribute

  - ### Method Detail

    - #### readResolve

          protected Object readResolve()
                                throws InvalidObjectException

      Resolves instances being deserialized to the predefined constants.
      Overrides:
        `readResolve` in class `AttributedCharacterIterator.Attribute`
      Returns:
        resolved NumberFormat.Field constant
      Throws:
        `InvalidObjectException` - if the constant could not be resolved.

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