Mega Code Archive
It is also possible to set the item dimensions using a sample value
import javax.swing.JList;
public class Main {
public static void main(String[] argv) throws Exception {
String[] items = { "A", "B", "C", "D" };
JList list = new JList(items);
String protoCellValue = "My Sample Item Value";
list.setPrototypeCellValue(protoCellValue);
}
}