Module java.desktop
Package javax.swing

## Interface MutableComboBoxModel<E>

- Type Parameters:
    `E` - the type of the elements of this model
  All Superinterfaces:
    `ComboBoxModel<E>`, `ListModel<E>`
  All Known Implementing Classes:
    `DefaultComboBoxModel`

      public interface MutableComboBoxModel<E>
      extends ComboBoxModel<E>

  A mutable version of `ComboBoxModel`.
  Since:
    1.2

- - ### Method Summary

    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | `addElement​(E item)` | Adds an item at the end of the model.
    `void` | `insertElementAt​(E item, int index)` | Adds an item at a specific index.
    `void` | `removeElement​(Object obj)` | Removes an item from the model.
    `void` | `removeElementAt​(int index)` | Removes an item at a specific index.

    - ### Methods declared in interface javax.swing.ComboBoxModel

      `getSelectedItem, setSelectedItem`

    - ### Methods declared in interface javax.swing.ListModel

      `addListDataListener, getElementAt, getSize, removeListDataListener`

- - ### Method Detail

    - #### addElement

          void addElement​(E item)

      Adds an item at the end of the model. The implementation of this method should notify all registered `ListDataListener`s that the item has been added.
      Parameters:
        `item` - the item to be added

    - #### removeElement

          void removeElement​(Object obj)

      Removes an item from the model. The implementation of this method should should notify all registered `ListDataListener`s that the item has been removed.
      Parameters:
        `obj` - the `Object` to be removed

    - #### insertElementAt

          void insertElementAt​(E item,
                               int index)

      Adds an item at a specific index. The implementation of this method should notify all registered `ListDataListener`s that the item has been added.
      Parameters:
        `item` - the item to be added
        `index` - location to add the object

    - #### removeElementAt

          void removeElementAt​(int index)

      Removes an item at a specific index. The implementation of this method should notify all registered `ListDataListener`s that the item has been removed.
      Parameters:
        `index` - location of the item to be removed