Good Article : About JSF & Struts [The add-and-remove pattern]


Java Feature — Jakarta Struts & JavaServer Faces
The add-and-remove pattern

Long lists and ordered selections require a more complex design pattern. This pattern displays available items in one list and chosen items in another so the user's choices are always visible and easily modified.

This design pattern is commonly called a Dual List or Dual Listbox selector. It is also known as the Selection Summary or List Builder pattern. In the Java Look and Feel Design Guidelines, it's called the Add-and-Remove pattern:

Typical Struts implementations of this pattern require JSPs, Java, and JavaScript. JavaServer Faces doesn't need JSPs, but they're used here for easy comparison.

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