What is managed bean and backing bean in JSF?

Managed Bean: It is a basic bean java class of JSF. This java bean is being managed by the JSF framework. It consists of getter and setter methods and business logic. Managed beans generally work for UI component as a model. It can be easily accessed from the JSF page. Backing Bean: It is a subpart of the managed bean. It contains all the properties of UI components in a JSF page.

This bean is used in UI conversion, component validations, and event handling. Almost all the features of UI components binds with a backing bean in JSF page.