JTree.EmptySelectionModel (Java Platform SE 8 )
Keywords: javax.swing.JTree.EmptySelectionModel class
Date: 2026-08-19

javax.swing

## Class JTree.EmptySelectionModel

- java.lang.Object
- - javax.swing.tree.DefaultTreeSelectionModel
  - - javax.swing.JTree.EmptySelectionModel

- All Implemented Interfaces:
    Serializable, Cloneable, TreeSelectionModel
  Enclosing class:
    JTree

      protected static class JTree.EmptySelectionModel
      extends DefaultTreeSelectionModel

  `EmptySelectionModel` is a `TreeSelectionModel` that does not allow anything to be selected.

  Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans™ has been added to the `java.beans` package. Please see `XMLEncoder`.

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected static JTree.EmptySelectionModel` | `sharedInstance` The single instance of `EmptySelectionModel`.

    - ### Fields inherited from class javax.swing.tree.DefaultTreeSelectionModel

      `changeSupport, leadIndex, leadPath, leadRow, listenerList, listSelectionModel, rowMapper, selection, SELECTION_MODE_PROPERTY, selectionMode`

    - ### Fields inherited from interface javax.swing.tree.TreeSelectionModel

      `CONTIGUOUS_TREE_SELECTION, DISCONTIGUOUS_TREE_SELECTION, SINGLE_TREE_SELECTION`

  - ### Constructor Summary

    Constructors
    Modifier | Constructor and Description
    --- | ---
    `protected` | `EmptySelectionModel()`

  - ### Method Summary

    All Methods Static Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `addPropertyChangeListener(PropertyChangeListener listener)` This is overriden to do nothing; `EmptySelectionModel` does not allow a selection.
    `void` | `addSelectionPaths(TreePath[] paths)` This is overriden to do nothing; `EmptySelectionModel` does not allow a selection.
    `void` | `addTreeSelectionListener(TreeSelectionListener listener)` This is overriden to do nothing; `EmptySelectionModel` does not allow a selection.
    `void` | `removePropertyChangeListener(PropertyChangeListener listener)` This is overriden to do nothing; `EmptySelectionModel` does not allow a selection.
    `void` | `removeSelectionPaths(TreePath[] paths)` This is overriden to do nothing; `EmptySelectionModel` does not allow a selection.
    `void` | `removeTreeSelectionListener(TreeSelectionListener listener)` This is overriden to do nothing; `EmptySelectionModel` does not allow a selection.
    `void` | `setRowMapper(RowMapper mapper)` This is overriden to do nothing; `EmptySelectionModel` does not allow a selection.
    `void` | `setSelectionMode(int mode)` This is overriden to do nothing; `EmptySelectionModel` does not allow a selection.
    `void` | `setSelectionPaths(TreePath[] paths)` This is overriden to do nothing; `EmptySelectionModel` does not allow a selection.
    `static JTree.EmptySelectionModel` | `sharedInstance()` Returns the single instance of `EmptySelectionModel`.

    - ### Methods inherited from class javax.swing.tree.DefaultTreeSelectionModel

      `addSelectionPath, arePathsContiguous, canPathsBeAdded, canPathsBeRemoved, clearSelection, clone, fireValueChanged, getLeadSelectionPath, getLeadSelectionRow, getListeners, getMaxSelectionRow, getMinSelectionRow, getPropertyChangeListeners, getRowMapper, getSelectionCount, getSelectionMode, getSelectionPath, getSelectionPaths, getSelectionRows, getTreeSelectionListeners, insureRowContinuity, insureUniqueness, isPathSelected, isRowSelected, isSelectionEmpty, notifyPathChange, removeSelectionPath, resetRowSelection, setSelectionPath, toString, updateLeadIndex`

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

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

- - ### Field Detail

    - #### sharedInstance

          protected static final JTree.EmptySelectionModel sharedInstance

      The single instance of `EmptySelectionModel`.

  - ### Constructor Detail

    - #### EmptySelectionModel

          protected EmptySelectionModel()

  - ### Method Detail

    - #### sharedInstance

          public static JTree.EmptySelectionModel sharedInstance()

      Returns the single instance of `EmptySelectionModel`.
      Returns:
        single instance of `EmptySelectionModel`

    - #### setSelectionPaths

          public void setSelectionPaths(TreePath[] paths)

      This is overriden to do nothing; `EmptySelectionModel` does not allow a selection.
      Specified by:
        `setSelectionPaths` in interface `TreeSelectionModel`
      Overrides:
        `setSelectionPaths` in class `DefaultTreeSelectionModel`
      Parameters:
        `paths` - the paths to select; this is ignored

    - #### addSelectionPaths

          public void addSelectionPaths(TreePath[] paths)

      This is overriden to do nothing; `EmptySelectionModel` does not allow a selection.
      Specified by:
        `addSelectionPaths` in interface `TreeSelectionModel`
      Overrides:
        `addSelectionPaths` in class `DefaultTreeSelectionModel`
      Parameters:
        `paths` - the paths to add to the selection; this is ignored

    - #### removeSelectionPaths

          public void removeSelectionPaths(TreePath[] paths)

      This is overriden to do nothing; `EmptySelectionModel` does not allow a selection.
      Specified by:
        `removeSelectionPaths` in interface `TreeSelectionModel`
      Overrides:
        `removeSelectionPaths` in class `DefaultTreeSelectionModel`
      Parameters:
        `paths` - the paths to remove; this is ignored

    - #### setSelectionMode

          public void setSelectionMode(int mode)

      This is overriden to do nothing; `EmptySelectionModel` does not allow a selection.
      Specified by:
        `setSelectionMode` in interface `TreeSelectionModel`
      Overrides:
        `setSelectionMode` in class `DefaultTreeSelectionModel`
      Parameters:
        `mode` - the selection mode; this is ignored
      Since:
        1.7

    - #### setRowMapper

          public void setRowMapper(RowMapper mapper)

      This is overriden to do nothing; `EmptySelectionModel` does not allow a selection.
      Specified by:
        `setRowMapper` in interface `TreeSelectionModel`
      Overrides:
        `setRowMapper` in class `DefaultTreeSelectionModel`
      Parameters:
        `mapper` - the `RowMapper` instance; this is ignored
      Since:
        1.7

    - #### addTreeSelectionListener

          public void addTreeSelectionListener(TreeSelectionListener listener)

      This is overriden to do nothing; `EmptySelectionModel` does not allow a selection.
      Specified by:
        `addTreeSelectionListener` in interface `TreeSelectionModel`
      Overrides:
        `addTreeSelectionListener` in class `DefaultTreeSelectionModel`
      Parameters:
        `listener` - the listener to add; this is ignored
      Since:
        1.7

    - #### removeTreeSelectionListener

          public void removeTreeSelectionListener(TreeSelectionListener listener)

      This is overriden to do nothing; `EmptySelectionModel` does not allow a selection.
      Specified by:
        `removeTreeSelectionListener` in interface `TreeSelectionModel`
      Overrides:
        `removeTreeSelectionListener` in class `DefaultTreeSelectionModel`
      Parameters:
        `listener` - the listener to remove; this is ignored
      Since:
        1.7

    - #### addPropertyChangeListener

          public void addPropertyChangeListener(PropertyChangeListener listener)

      This is overriden to do nothing; `EmptySelectionModel` does not allow a selection.
      Specified by:
        `addPropertyChangeListener` in interface `TreeSelectionModel`
      Overrides:
        `addPropertyChangeListener` in class `DefaultTreeSelectionModel`
      Parameters:
        `listener` - the listener to add; this is ignored
      Since:
        1.7

    - #### removePropertyChangeListener

          public void removePropertyChangeListener(PropertyChangeListener listener)

      This is overriden to do nothing; `EmptySelectionModel` does not allow a selection.
      Specified by:
        `removePropertyChangeListener` in interface `TreeSelectionModel`
      Overrides:
        `removePropertyChangeListener` in class `DefaultTreeSelectionModel`
      Parameters:
        `listener` - the listener to remove; this is ignored
      Since:
        1.7

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