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Java™ Platform
Standard Ed. 6

javax.swing
Interface ListModel

All Known Subinterfaces:
ComboBoxModel, MutableComboBoxModel
All Known Implementing Classes:
AbstractListModel, BasicDirectoryModel, DefaultComboBoxModel, DefaultListModel, MetalFileChooserUI.DirectoryComboBoxModel, MetalFileChooserUI.FilterComboBoxModel

public interface ListModel

This interface defines the methods components like JList use to get the value of each cell in a list and the length of the list. Logically the model is a vector, indices vary from 0 to ListDataModel.getSize() - 1. Any change to the contents or length of the data model must be reported to all of the ListDataListeners.

See Also:
JList

Method Summary
 void addListDataListener(ListDataListener l)
          Adds a listener to the list that's notified each time a change to the data model occurs.
 Object getElementAt(int index)
          Returns the value at the specified index.
 int getSize()
          Returns the length of the list.
 void removeListDataListener(ListDataListener l)
          Removes a listener from the list that's notified each time a change to the data model occurs.
 

Method Detail

getSize

int getSize()
Returns the length of the list.

Returns:
the length of the list

getElementAt

Object getElementAt(int index)
Returns the value at the specified index.

Parameters:
index - the requested index
Returns:
the value at index

addListDataListener

void addListDataListener(ListDataListener l)
Adds a listener to the list that's notified each time a change to the data model occurs.

Parameters:
l - the ListDataListener to be added

removeListDataListener

void removeListDataListener(ListDataListener l)
Removes a listener from the list that's notified each time a change to the data model occurs.

Parameters:
l - the ListDataListener to be removed

Java™ Platform
Standard Ed. 6

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For further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2008 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.

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