Java Swing Tutorial - Java JList.setSelectedIndex(int index)

Syntax

JList.setSelectedIndex(int index) has the following syntax.

public void setSelectedIndex(int index)

Example

In the following code shows how to use JList.setSelectedIndex(int index) method.

import java.awt.BorderLayout;
import java.awt.Color;
//w  w w .  ja  va2  s  .  c o m
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);

    JList jlist1 = new JList(labels);
    jlist1.setVisibleRowCount(4);
    JScrollPane scrollPane1 = new JScrollPane(jlist1);
    frame.add(scrollPane1, BorderLayout.NORTH);
    
    jlist1.setSelectedIndex(1);
    
    frame.setSize(300, 350);
    frame.setVisible(true);
  }
}