December 2017
Intermediate to advanced
271 pages
7h 5m
English
Content preview from Web Applications with Javascript or Java
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12Implementing Enumeration Attributes in a Java EE Web App
In this chapter, we show how to build a back-end web application with enumeration attributes, using Java with JPA and JSF. In addition to the topic of enumeration attributes, we also show how to deal with multi-valued attributes.
12.1New Issues
Compared to the Validation App discussed in Chapter 9 we have to deal with the following new issues:
- Enumeration datatypes have to be defined in a suitable way as part of the model code.
- Enumeration attributes have to be defined in model classes and handled in the user interface with the help of suitable choice widgets.
In terms of coding, the new issues are:
1.In the model code we have to take care of
a.enumerations to be defined in the ...
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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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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.