Program Challenge: Create Tabs in a Text Pane

  import java.awt.*;
  import javax.swing.*;
  import javax.swing.text.*;

  public class Style {
    public static void main(String args[]) {
      JFrame frame = new JFrame("Character Attributes");
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      Container content = frame.getContentPane();
      JTextPane pane = new JTextPane();
      SimpleAttributeSet set = new SimpleAttributeSet();
      set.addAttribute(
        StyleConstants.CharacterConstants.Bold,
        Boolean.TRUE);
      // Initialize attributes before adding text
      pane.setCharacterAttributes(set, true);
      pane.setText("One ");

      set = new SimpleAttributeSet();
      StyleConstants.setItalic(set, true);
      StyleConstants.setForeground(set, Color.RED);
      StyleConstants.setBackground(set, Color.BLACK);

      Document doc = pane.getStyledDocument();
      try {
        doc.insertString(doc.getLength(), "Two ", set);
      } catch (BadLocationException e) {
        System.err.println("Bad location");
        return;
      }

      set = new SimpleAttributeSet();
      StyleConstants.setFontSize(set, 32);

      try {
        doc.insertString(doc.getLength(), "Three", set);
      } catch (BadLocationException e) {
        System.err.println("Bad location");
        return;
      }

      JScrollPane scrollPane = new JScrollPane(pane);
      content.add(scrollPane, BorderLayout.CENTER);
      frame.setSize(300, 200);
      frame.setVisible(true);
    }
  }