Module javafx.controls
Package javafx.scene.control

## Enum Alert.AlertType

- java.lang.Object
- - java.lang.Enum<Alert.AlertType>
  - - javafx.scene.control.Alert.AlertType

- All Implemented Interfaces:
    `Serializable`, `Comparable<Alert.AlertType>`
  Enclosing class:
    Alert

      public static enum Alert.AlertType
      extends Enum<Alert.AlertType>

  An enumeration containing the available, pre-built alert types that the `Alert` class can use to pre-populate various properties.
  Since:
    JavaFX 8u40

- - ### Enum Constant Summary

    Enum Constants
    Enum Constant | Description
    --- | ---
    `CONFIRMATION` | The CONFIRMATION alert type configures the Alert dialog to appear in a way that suggests the content of the dialog is seeking confirmation from the user.
    `ERROR` | The ERROR alert type configures the Alert dialog to appear in a way that suggests that something has gone wrong.
    `INFORMATION` | The INFORMATION alert type configures the Alert dialog to appear in a way that suggests the content of the dialog is informing the user of a piece of information.
    `NONE` | The NONE alert type has the effect of not setting any default properties in the Alert.
    `WARNING` | The WARNING alert type configures the Alert dialog to appear in a way that suggests the content of the dialog is warning the user about some fact or action.

  - ### Method Summary

    All Methods Static Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `static Alert.AlertType` | `valueOf​(String name)` | Returns the enum constant of this type with the specified name.
    `static Alert.AlertType[]` | `values()` | Returns an array containing the constants of this enum type, in the order they are declared.

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

      `clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf`

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

      `getClass, notify, notifyAll, wait, wait, wait`

- - ### Enum Constant Detail

    - #### NONE

          public static final Alert.AlertType NONE

      The NONE alert type has the effect of not setting any default properties in the Alert.

    - #### INFORMATION

          public static final Alert.AlertType INFORMATION

      The INFORMATION alert type configures the Alert dialog to appear in a way that suggests the content of the dialog is informing the user of a piece of information. This includes an 'information' image, an appropriate title and header, and just an OK button for the user to click on to dismiss the dialog.

    - #### WARNING

          public static final Alert.AlertType WARNING

      The WARNING alert type configures the Alert dialog to appear in a way that suggests the content of the dialog is warning the user about some fact or action. This includes a 'warning' image, an appropriate title and header, and just an OK button for the user to click on to dismiss the dialog.

    - #### CONFIRMATION

          public static final Alert.AlertType CONFIRMATION

      The CONFIRMATION alert type configures the Alert dialog to appear in a way that suggests the content of the dialog is seeking confirmation from the user. This includes a 'confirmation' image, an appropriate title and header, and both OK and Cancel buttons for the user to click on to dismiss the dialog.

    - #### ERROR

          public static final Alert.AlertType ERROR

      The ERROR alert type configures the Alert dialog to appear in a way that suggests that something has gone wrong. This includes an 'error' image, an appropriate title and header, and just an OK button for the user to click on to dismiss the dialog.

  - ### Method Detail

    - #### values

          public static Alert.AlertType[] values()

      Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

          for (Alert.AlertType c : Alert.AlertType.values())
              System.out.println(c);

      Returns:
        an array containing the constants of this enum type, in the order they are declared

    - #### valueOf

          public static Alert.AlertType valueOf​(String name)

      Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
      Parameters:
        `name` - the name of the enum constant to be returned.
      Returns:
        the enum constant with the specified name
      Throws:
        `IllegalArgumentException` - if this enum type has no constant with the specified name
        `NullPointerException` - if the argument is null