Java tutorial
import java.awt.Color; import javax.swing.BorderFactory; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.border.Border; public class Main { public static void main(String[] args) { JLabel label = new JLabel("java2s.com", JLabel.LEFT); Border border = BorderFactory.createLineBorder(Color.BLACK); label.setBorder(border); JOptionPane.showMessageDialog(null, label); } }