Chapter 8
Using Converters, Listeners, and Validators
The previous chapter described components and explained how to add them to a web page. This chapter provides information on adding more functionality to the components through converters, listeners, and validators.
- Converters are used to convert data that is received from the input components. 
- Listeners are used to listen to the events happening in the page and perform actions as defined. 
- Validators are used to validate the data that is received from the input components. 
The following topics are addressed here:



