How can I validate a DataTable with inputText and other JSF components?

I have a DataTable with various input components. I need to be able to validate what the user has entered on all the rows of the DataTable. Does anyone have any examples they can point me to, experiences with this, or knowledge on how to do this?
Thank you so much.

Do you have to use backing beans instead of managed beans to validate components inside a DataTable?

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How can I validate a DataTable with inputText and other JSF components?

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