# Enum FixedOrderComparator.UnknownObjectBehavior

java.lang.Object
java.lang.Enum<FixedOrderComparator.UnknownObjectBehavior>
org.apache.commons.collections4.comparators.FixedOrderComparator.UnknownObjectBehavior

All Implemented Interfaces:
  `Serializable`, `Comparable<FixedOrderComparator.UnknownObjectBehavior>`

Enclosing class:
  `FixedOrderComparator<T>`

public static enum FixedOrderComparator.UnknownObjectBehavior extends Enum<FixedOrderComparator.UnknownObjectBehavior>
Enumerates the unknown object behaviors.

Since:
  4.0

- ## Enum Constant Summary

  Enum Constants
  Enum Constant
  Description
  `AFTER`
  After unknown object behaviors.
  `BEFORE`
  Before unknown object behaviors.
  `EXCEPTION`
  Exception unknown object behaviors.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `static FixedOrderComparator.UnknownObjectBehavior`
  `valueOf(String name)`
  Returns the enum constant of this type with the specified name.
  `static FixedOrderComparator.UnknownObjectBehavior[]`
  `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 Details

  - ### BEFORE

    public static final FixedOrderComparator.UnknownObjectBehavior BEFORE
    Before unknown object behaviors.

  - ### AFTER

    public static final FixedOrderComparator.UnknownObjectBehavior AFTER
    After unknown object behaviors.

  - ### EXCEPTION

    public static final FixedOrderComparator.UnknownObjectBehavior EXCEPTION
    Exception unknown object behaviors.

- ## Method Details

  - ### values

    public static FixedOrderComparator.UnknownObjectBehavior[] values()
    Returns an array containing the constants of this enum type, in the order they are declared.
    Returns:
      an array containing the constants of this enum type, in the order they are declared

  - ### valueOf

    public static FixedOrderComparator.UnknownObjectBehavior 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