## Uses of Class
org.apache.commons.configuration2.tree.DefaultExpressionEngine

- Packages that use DefaultExpressionEngine
  Package | Description
  --- | ---
  org.apache.commons.configuration2.tree | A package with helper and utility classes used by hierarchical configurations.

- - ### Uses of DefaultExpressionEngine in org.apache.commons.configuration2.tree

    Fields in org.apache.commons.configuration2.tree declared as DefaultExpressionEngine
    Modifier and Type | Field | Description
    --- | --- | ---
    `static DefaultExpressionEngine` | DefaultExpressionEngine.`INSTANCE` | A default instance of this class that is used as expression engine for hierarchical configurations per default.

    Methods in org.apache.commons.configuration2.tree that return DefaultExpressionEngine
    Modifier and Type | Method | Description
    --- | --- | ---
    `DefaultExpressionEngine` | DefaultConfigurationKey.`getExpressionEngine()` | Gets the associated default expression engine.

    Constructors in org.apache.commons.configuration2.tree with parameters of type DefaultExpressionEngine
    Constructor | Description
    --- | ---
    `DefaultConfigurationKey​(DefaultExpressionEngine engine)` | Creates a new instance of `DefaultConfigurationKey` and sets the associated expression engine.
    `DefaultConfigurationKey​(DefaultExpressionEngine engine, String key)` | Creates a new instance of `DefaultConfigurationKey` and sets the associated expression engine and an initial key.