java.lang.Object
- javax.swing.AbstractListModel<E>
- - javax.swing.DefaultComboBoxModel<E>

Type Parameters:
E - the type of the elements of this model

All Implemented Interfaces:

Serializable, ComboBoxModel<E>, ListModel<E>, MutableComboBoxModel<E>
```
public class DefaultComboBoxModel<E>
extends AbstractListModel<E>
implements MutableComboBoxModel<E>, Serializable
```
The default model for combo boxes.

Field Summary
- Fields inherited from class javax.swing.AbstractListModel
  listenerList

Constructor Summary

Constructors
Constructor and Description
`DefaultComboBoxModel()` Constructs an empty DefaultComboBoxModel object.
`DefaultComboBoxModel(E[] items)` Constructs a DefaultComboBoxModel object initialized with an array of objects.
`DefaultComboBoxModel(Vector<E> v)` Constructs a DefaultComboBoxModel object initialized with a vector.

DefaultComboBoxModel (Java Platform SE 7 ) Home of API Java Contents Haut

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`addElement(E anObject)` Adds an item at the end of the model.
`E`	`getElementAt(int index)` Returns the value at the specified index.
`int`	`getIndexOf(Object anObject)` Returns the index-position of the specified object in the list.
`Object`	`getSelectedItem()` Returns the selected item
`int`	`getSize()` Returns the length of the list.
`void`	`insertElementAt(E anObject, int index)` Adds an item at a specific index.
`void`	`removeAllElements()` Empties the list.
`void`	`removeElement(Object anObject)` Removes an item from the model.
`void`	`removeElementAt(int index)` Removes an item at a specific index.
`void`	`setSelectedItem(Object anObject)` Set the value of the selected item.

DefaultComboBoxModel (Java Platform SE 7 ) Home of API Java Contents Haut

Methods inherited from class javax.swing.AbstractListModel
addListDataListener, fireContentsChanged, fireIntervalAdded, fireIntervalRemoved, getListDataListeners, getListeners, removeListDataListener

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface javax.swing.ListModel
addListDataListener, removeListDataListener

- Constructor Detail
  - DefaultComboBoxModel
```
public DefaultComboBoxModel()
```
    Constructs an empty DefaultComboBoxModel object.
  - DefaultComboBoxModel
```
public DefaultComboBoxModel(E[] items)
```
    Constructs a DefaultComboBoxModel object initialized with an array of objects.
    
    Parameters:
    items - an array of Object objects
  - DefaultComboBoxModel
```
public DefaultComboBoxModel(Vector<E> v)
```
    Constructs a DefaultComboBoxModel object initialized with a vector.
    
    Parameters:
    v - a Vector object ...
- Method Detail
  - setSelectedItem
```
public void setSelectedItem(Object anObject)
```
    Set the value of the selected item. The selected item may be null.
    
    Specified by:
    
    setSelectedItem in interface ComboBoxModel<E>
    
    Parameters:
    anObject - The combo box value or null for no selection.
  - getSelectedItem
```
public Object getSelectedItem()
```
    Description copied from interface: ComboBoxModel
    
    Returns the selected item
    
    Specified by:
    
    getSelectedItem in interface ComboBoxModel<E>
    
    Returns:
    The selected item or null if there is no selection
  - getSize
```
public int getSize()
```
    Description copied from interface: ListModel
    
    Returns the length of the list.
    
    Specified by:
    
    getSize in interface ListModel<E>
    
    Returns:
    the length of the list
  - getElementAt
```
public E getElementAt(int index)
```
    Description copied from interface: ListModel
    
    Returns the value at the specified index.
    
    Specified by:
    
    getElementAt in interface ListModel<E>
    
    Parameters:
    index - the requested index
    
    Returns:
    the value at index
  - getIndexOf
```
public int getIndexOf(Object anObject)
```
    Returns the index-position of the specified object in the list.
    
    Parameters:
    anObject -
    
    Returns:
    an int representing the index position, where 0 is the first position
  - addElement
```
public void addElement(E anObject)
```
    Description copied from interface: MutableComboBoxModel
    
    Adds an item at the end of the model. The implementation of this method should notify all registered ListDataListeners that the item has been added.
    
    Specified by:
    
    addElement in interface MutableComboBoxModel<E>
    
    Parameters:
    anObject - the item to be added
  - insertElementAt
```
public void insertElementAt(E anObject,
                   int index)
```
    Description copied from interface: MutableComboBoxModel
    
    Adds an item at a specific index. The implementation of this method should notify all registered ListDataListeners that the item has been added.
    
    Specified by:
    
    insertElementAt in interface MutableComboBoxModel<E>
    
    Parameters:
    anObject - the item to be added
    index - location to add the object
  - removeElementAt
```
public void removeElementAt(int index)
```
    Description copied from interface: MutableComboBoxModel
    
    Removes an item at a specific index. The implementation of this method should notify all registered ListDataListeners that the item has been removed.
    
    Specified by:
    
    removeElementAt in interface MutableComboBoxModel<E>
    
    Parameters:
    index - location of the item to be removed
  - removeElement
```
public void removeElement(Object anObject)
```
    Description copied from interface: MutableComboBoxModel
    
    Removes an item from the model. The implementation of this method should should notify all registered ListDataListeners that the item has been removed.
    
    Specified by:
    
    removeElement in interface MutableComboBoxModel<E>
    
    Parameters:
    anObject - the Object to be removed
  - removeAllElements
```
public void removeAllElements()
```
    Empties the list.

Document created the 11/06/2005, last modified the 04/03/2020
Source of the printed document:https://www.gaudry.be/en/java-api-rf-javax/swing/defaultcomboboxmodel.html

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References

Manuel PHP : https://docs.oracle.com/en/java/, Class DefaultComboBoxModel

These references and links indicate documents consulted during the writing of this page, or which may provide additional information, but the authors of these sources can not be held responsible for the content of this page.
The author of this site is solely responsible for the way in which the various concepts, and the freedoms that are taken with the reference works, are presented here. Remember that you must cross multiple source information to reduce the risk of errors.

Class DefaultComboBoxModel<E>

Field Summary

Fields inherited from class javax.swing.AbstractListModel

Constructor Summary

Method Summary

Methods inherited from class javax.swing.AbstractListModel

Methods inherited from class java.lang.Object

Methods inherited from interface javax.swing.ListModel

Constructor Detail

DefaultComboBoxModel

DefaultComboBoxModel

DefaultComboBoxModel

Method Detail

setSelectedItem

getSelectedItem

getSize

getElementAt

getIndexOf

addElement

insertElementAt

removeElementAt

removeElement

removeAllElements

References