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## com.bea.p13n.expression
Interface Evaluator

public interface Evaluator

An interface that is implemented by the classes that can evaluate an `Expression`.

Method Summary
`Object` | `evaluate(Expression expression)` Evaluates a given expression.

Method Detail

### evaluate

    public Object evaluate(Expression expression)
                    throws ExpressionException

  Evaluates a given expression.

  Parameters:
    `expression` - An `Expression` to be evaluated.
  Returns:
    The result of evaluating the supplied expression.
  Throws:
    `ExpressionException` - if an error occurs during evaluation of the supplied expression.

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