JList.setFixedCellHeight(int height) has the following syntax.
public void setFixedCellHeight(int height)
In the following code shows how to use JList.setFixedCellHeight(int height) method.
/*w w w .j a v a 2 s .c o m*/ import java.awt.BorderLayout; import javax.swing.DefaultListModel; import javax.swing.JFrame; import javax.swing.JList; import javax.swing.JScrollPane; public class Main { public static void main(final String args[]) { String labels[] = { "A", "B", "C", "D", "E" }; JFrame frame = new JFrame("Sizing Samples"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); DefaultListModel model = new DefaultListModel(); model.ensureCapacity(1000); for (int i = 0; i < 100; i++) { for (int j = 0; j < 5; j++) { model.addElement(labels[j]); } } JList jlist2 = new JList(model); jlist2.setVisibleRowCount(4); jlist2.setFixedCellHeight(12); jlist2.setFixedCellWidth(200); JScrollPane scrollPane2 = new JScrollPane(jlist2); frame.add(scrollPane2, BorderLayout.CENTER); frame.setSize(300, 350); frame.setVisible(true); } }