Preferences

All Known Implementing Classes:

AppPreferences, GUIPreferences
```
public interface Preferences
```
An interface in common to preference classes in my applications.
Modified by: Joseph A. Huwaldt

Version:

February 22, 2025

Author:

Joseph A. Huwaldt Date: February 18, 2009

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.String`	`get(java.lang.String key)`	Return the preference with the specified key String.
`java.lang.String`	`getLastPath()`	Returns the file path to the parent of the last referenced file.
`void`	`set(java.lang.String key, java.lang.String value)`	Set the preference with the specified key String.
`void`	`setLastPath(java.lang.String path)`	Set the last file path referenced by the user.
`void`	`showPreferenceDialog()`	Method that displays a dialog that allows the user to change the application preferences.

- Method Detail
  - getLastPath
```
java.lang.String getLastPath()
```
    Returns the file path to the parent of the last referenced file. Returns null if no last path could be found.
    
    Returns:
    
    The file path to the parent of the last referenced file.
  - setLastPath
```
void setLastPath(java.lang.String path)
```
    Set the last file path referenced by the user. This is the path to the last parent of the last referenced file.
    
    Parameters:
    
    path - The last file path referenced by the user.
  - showPreferenceDialog
```
void showPreferenceDialog()
```
    Method that displays a dialog that allows the user to change the application preferences. This method may do nothing if the application does not support displaying a preference dialog.
  - get
```
java.lang.String get(java.lang.String key)
```
    Return the preference with the specified key String.
    
    Parameters:
    
    key - The key String identifying the preference to be retrieved.
    
    Returns:
    
    The preference with the specified key.
  - set
```
void set(java.lang.String key,
         java.lang.String value)
```
    Set the preference with the specified key String.
    
    Parameters:
    
    key - The key String identifying the preference to be set.
    
    value - THe String value to store as the preference.