## Uses of Class
java.beans.Expression

- Packages that use Expression
  Package | Description
  --- | ---
  java.beans | Contains classes related to developing beans -- components based on the JavaBeans™ architecture.

- - ### Uses of Expression in java.beans

    Methods in java.beans that return Expression
    Modifier and Type | Method | Description
    --- | --- | ---
    `protected Expression` | DefaultPersistenceDelegate.`instantiate​(Object oldInstance, Encoder out)` | This default implementation of the `instantiate` method returns an expression containing the predefined method name "new" which denotes a call to a constructor with the arguments as specified in the `DefaultPersistenceDelegate`'s constructor.
    `protected abstract Expression` | PersistenceDelegate.`instantiate​(Object oldInstance, Encoder out)` | Returns an expression whose value is `oldInstance`.

    Methods in java.beans with parameters of type Expression
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | Encoder.`writeExpression​(Expression oldExp)` | The implementation first checks to see if an expression with this value has already been written.
    `void` | XMLEncoder.`writeExpression​(Expression oldExp)` | Records the Expression so that the Encoder will produce the actual output when the stream is flushed.