| Package | Description | 
|---|---|
| java.util.prefs | This package allows applications to store and retrieve user and system
preference and configuration data. | 
| Modifier and Type | Method and Description | 
|---|---|
| protected AbstractPreferences[] | AbstractPreferences. cachedChildren()Returns all known unremoved children of this node. | 
| protected abstract AbstractPreferences | AbstractPreferences. childSpi(String name)Returns the named child of this preference node, creating it if it does
 not already exist. | 
| protected AbstractPreferences | AbstractPreferences. getChild(String nodeName)Returns the named child if it exists, or null if it does not. | 
| Constructor and Description | 
|---|
| AbstractPreferences(AbstractPreferences parent,
                   String name)Creates a preference node with the specified parent and the specified
 name relative to its parent. | 
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