February 2014
Beginner
1248 pages
62h 25m
English
Content preview from Java™ How To Program (Early Objects), Tenth EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Validating the nameInputText Element’s Contents
If the user submits the form without a value in the nameInputText, the requiredMessage "Please enter your name" is displayed in the corresponding h:message element. If the user specifies a value for the nameInputText, the JSF framework executes the f:validate-Length validator that’s nested in the h:inputText element. Here, we check that the name contains no more than 30 characters—as specified by the validator’s maximum attribute. This might be useful to ensure that a value will fit within a particular database field.
Users can type as much text in the nameInputText as they wish. If the name is too long, the validatorMessage is displayed in the h:message element after the user submits the form. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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