| Package | Description | 
|---|---|
| org.springframework.ui | Generic support for UI layer concepts. | 
| org.springframework.validation.support | Support classes for handling validation results. | 
| Class and Description | 
|---|
| ConcurrentModel Implementation of the  Modelinterface based on aConcurrentHashMapfor use in concurrent scenarios. | 
| ExtendedModelMap | 
| Model Java-5-specific interface that defines a holder for model attributes. | 
| ModelMap Implementation of  Mapfor use when building model data for use
 with UI tools. | 
| Class and Description | 
|---|
| ConcurrentModel Implementation of the  Modelinterface based on aConcurrentHashMapfor use in concurrent scenarios. | 
| ExtendedModelMap | 
| Model Java-5-specific interface that defines a holder for model attributes. | 
| ModelMap Implementation of  Mapfor use when building model data for use
 with UI tools. |