What is class and component?

A component class is the class associated with a page, component or mixin in your Tapestry web application . Classes for pages, components and mixins are all created in an identical way. They are pure POJOs (Plain Old Java Objects), typically with annotations and conventionally named methods.

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What are class data fields?

Java® classes can contain member variables called fields which might have public or private access . To access public data fields, which your code can read or modify directly, use the syntax: object.field. To read from and, where allowed, to modify private data fields, use the accessor methods defined by the Java class.

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