SingleSelectionModel (Java SE 12 & JDK 12 )

All Known Implementing Classes:

DefaultSingleSelectionModel
```
public interface SingleSelectionModel
```
A model that supports at most one indexed selection.

Since:

1.2

Method Summary

Modifier and Type	Method	Description
`void`	`addChangeListener(ChangeListener listener)`	Adds listener as a listener to changes in the model.
`void`	`clearSelection()`	Clears the selection (to -1).
`int`	`getSelectedIndex()`	Returns the model's selection.
`boolean`	`isSelected()`	Returns true if the selection model currently has a selected value.
`void`	`removeChangeListener(ChangeListener listener)`	Removes listener as a listener to changes in the model.
`void`	`setSelectedIndex(int index)`	Sets the model's selected index to index.

- Method Detail
  - getSelectedIndex
```
int getSelectedIndex()
```
    Returns the model's selection.
    
    Returns:
    
    the model's selection, or -1 if there is no selection
    
    See Also:
    
    setSelectedIndex(int)
  - setSelectedIndex
```
void setSelectedIndex(int index)
```
    Sets the model's selected index to index. Notifies any listeners if the model changes
    
    Parameters:
    
    index - an int specifying the model selection
    
    See Also:
    
    getSelectedIndex(), addChangeListener(javax.swing.event.ChangeListener)
  - clearSelection
```
void clearSelection()
```
    Clears the selection (to -1).
  - isSelected
```
boolean isSelected()
```
    Returns true if the selection model currently has a selected value.
    
    Returns:
    
    true if a value is currently selected
  - addChangeListener
```
void addChangeListener(ChangeListener listener)
```
    Adds listener as a listener to changes in the model.
    
    Parameters:
    
    listener - the ChangeListener to add
  - removeChangeListener
```
void removeChangeListener(ChangeListener listener)
```
    Removes listener as a listener to changes in the model.
    
    Parameters:
    
    listener - the ChangeListener to remove