| Interface | Description | 
|---|---|
| FunctionMapper | Deprecated As of JSP 2.1, replaced by  FunctionMapper | 
| VariableResolver | Deprecated As of JSP 2.1, replaced by  ELResolver | 
| Class | Description | 
|---|---|
| Expression | Deprecated As of JSP 2.1, replaced by  ValueExpression | 
| ExpressionEvaluator | Deprecated As of JSP 2.1, replaced by  ExpressionFactory | 
| ImplicitObjectELResolver | Defines variable resolution behavior for the EL implicit objects defined in the JSP specification. | 
| ScopedAttributeELResolver | Defines variable resolution behavior for scoped attributes. | 
| Exception | Description | 
|---|---|
| ELException | Deprecated As of JSP 2.1, replaced by  ELException | 
| ELParseException | Deprecated As of JSP 2.1, replaced by  ELException |