Displaying large amount of data with JList?

Question

I have a JList, wich must display more than 3000 items. I wish to have \"visible\" around 100 items in the list, and when you scroll and getting close to the end (or begining) o

Answer 1

The list is rendering only the visible part. So there is no overhead from this point of view. If you want lazy loading - use custom models.

From this page :
You can write your own class that extends AbstractListModel or AbstractTableModel so that you can provide the needed data when necessary. The following example shows the usage of AbstractTableModel.