We would like to know how to change JLabel text after creation.
//from ww w .j a v a 2 s . c om import javax.swing.JLabel; import javax.swing.JOptionPane; public class Main { public static void main(String[] args) { JLabel label = new JLabel("java2s.com", JLabel.LEFT); label.setText("Centered"); JOptionPane.showMessageDialog(null, label); } }