JList.setFixedCellWidth(int width) has the following syntax.
public void setFixedCellWidth(int width)
In the following code shows how to use JList.setFixedCellWidth(int width) method.
import javax.swing.JList; // w w w . j a v a2s . c om public class Main { public static void main(String[] argv) throws Exception { String[] items = { "A", "B", "C", "D" }; JList list = new JList(items); // Set the item width int cellWidth = 200; list.setFixedCellWidth(cellWidth); // Set the item height int cellHeight = 18; list.setFixedCellHeight(cellHeight); } }