AccessibleStateSet (Java Platform SE 8 )
Keywords: javax.accessibility.AccessibleStateSet class
Date: 2026-04-17

javax.accessibility

## Class AccessibleStateSet

- java.lang.Object
- - javax.accessibility.AccessibleStateSet

-     public class AccessibleStateSet
      extends Object

  Class AccessibleStateSet determines a component's state set. The state set of a component is a set of AccessibleState objects and descriptions. E.G., The current overall state of the object, such as whether it is enabled, has focus, etc.
  See Also:
    `AccessibleState`

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected Vector<AccessibleState>` | `states` Each entry in the Vector represents an AccessibleState.

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `AccessibleStateSet()` Creates a new empty state set.
    `AccessibleStateSet(AccessibleState[] states)` Creates a new state with the initial set of states contained in the array of states passed in.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `boolean` | `add(AccessibleState state)` Adds a new state to the current state set if it is not already present.
    `void` | `addAll(AccessibleState[] states)` Adds all of the states to the existing state set.
    `void` | `clear()` Removes all the states from the current state set.
    `boolean` | `contains(AccessibleState state)` Checks if the current state is in the state set.
    `boolean` | `remove(AccessibleState state)` Removes a state from the current state set.
    `AccessibleState[]` | `toArray()` Returns the current state set as an array of AccessibleState
    `String` | `toString()` Creates a localized String representing all the states in the set using the default locale.

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

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

- - ### Field Detail

    - #### states

          protected Vector<AccessibleState> states

      Each entry in the Vector represents an AccessibleState.
      See Also:
        `add(javax.accessibility.AccessibleState)`, `addAll(javax.accessibility.AccessibleState[])`, `remove(javax.accessibility.AccessibleState)`, `contains(javax.accessibility.AccessibleState)`, `toArray()`, `clear()`

  - ### Constructor Detail

    - #### AccessibleStateSet

          public AccessibleStateSet()

      Creates a new empty state set.

    - #### AccessibleStateSet

          public AccessibleStateSet(AccessibleState[] states)

      Creates a new state with the initial set of states contained in the array of states passed in. Duplicate entries are ignored.
      Parameters:
        `states` - an array of AccessibleState describing the state set.

  - ### Method Detail

    - #### add

          public boolean add(AccessibleState state)

      Adds a new state to the current state set if it is not already present. If the state is already in the state set, the state set is unchanged and the return value is false. Otherwise, the state is added to the state set and the return value is true.
      Parameters:
        `state` - the state to add to the state set
      Returns:
        true if state is added to the state set; false if the state set is unchanged

    - #### addAll

          public void addAll(AccessibleState[] states)

      Adds all of the states to the existing state set. Duplicate entries are ignored.
      Parameters:
        `states` - AccessibleState array describing the state set.

    - #### remove

          public boolean remove(AccessibleState state)

      Removes a state from the current state set. If the state is not in the set, the state set will be unchanged and the return value will be false. If the state is in the state set, it will be removed from the set and the return value will be true.
      Parameters:
        `state` - the state to remove from the state set
      Returns:
        true if the state is in the state set; false if the state set will be unchanged

    - #### clear

          public void clear()

      Removes all the states from the current state set.

    - #### contains

          public boolean contains(AccessibleState state)

      Checks if the current state is in the state set.
      Parameters:
        `state` - the state
      Returns:
        true if the state is in the state set; otherwise false

    - #### toArray

          public AccessibleState[] toArray()

      Returns the current state set as an array of AccessibleState
      Returns:
        AccessibleState array containing the current state.

    - #### toString

          public String toString()

      Creates a localized String representing all the states in the set using the default locale.
      Overrides:
        `toString` in class `Object`
      Returns:
        comma separated localized String
      See Also:
        `AccessibleBundle.toDisplayString(java.lang.String, java.util.Locale)`

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