JList.setPrototypeCellValue(E prototypeCellValue) has the following syntax.
public void setPrototypeCellValue(E prototypeCellValue)
In the following code shows how to use JList.setPrototypeCellValue(E prototypeCellValue) method.
import javax.swing.JList; /*www.ja v a 2s . co m*/ 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); } }