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Mastering JavaServer Faces 2.2 by Anghel Leonard

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Sorting tables

In the previous examples, the data is arbitrarily displayed. Sorting the data provides more clarity and accuracy in reading and using the information; for example, see the screenshot of the Creating a simple JSF table section. You can try to visually localize the number 1 in the ATP ranking, and number 2 and number 3, and so on, but it is much more useful to have the option of sorting the table by the Ranking column. This is a pretty simple task to implement, especially if you are familiar with Java's List, Comparator, and Comparable features. It is beyond the scope of this book to present these features, but you can accomplish most of the sorting tasks by overriding the compare method, which has a straightforward flow: it compares ...

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