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IBM Rational Application Developer V6 Portlet Application Development and Portal Tools by Ryan Wilson, Gianfranco Rutigliano, George Kroner, Belen Gonzalez, Karla Galvan, Cristiano Cesario, Juan R. Rodriguez

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16.5. Backing bean management

Typical JSF applications include one or more backing beans. These are JavaBean components associated with UI components used in a page. A backing bean holds UI component properties, each of which is bound to either a component’s value or a component’s instance. Backing beans can also define methods that perform functions associated with a component, including validation, event handling, and navigation processing.

The binding of component values and instances to backing beans is done through the use of JSF expression language (EL) syntax. This syntax uses the delimiters # { }. A JSF expression can be a value-binding expression or a method binding expression. It can also accept mixed literals and the evaluation syntax ...

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