Java tutorial
import java.awt.Color; import java.awt.Font; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.RenderingHints; import java.awt.font.TextAttribute; import java.text.AttributedString; import javax.swing.JFrame; import javax.swing.JPanel; public class TextAttributesUnderline extends JPanel { public void paint(Graphics g) { Graphics2D g2d = (Graphics2D) g; g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); AttributedString as1 = new AttributedString("1234567890"); as1.addAttribute(TextAttribute.UNDERLINE, TextAttribute.UNDERLINE_ON, 3, 4); g2d.drawString(as1.getIterator(), 15, 60); } public static void main(String[] args) { JFrame frame = new JFrame("Text attributes"); frame.add(new TextAttributesUnderline()); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setSize(620, 190); frame.setLocationRelativeTo(null); frame.setVisible(true); } }