code: private void buildContentPanel() {
  
      editorPane = new JEditorPane ();
      editorPane.setContentType("text/rtf");
      editorPane.addKeyListener(new InputListener());
  
      //    defaultAttrSet = ((StyledEditorKit)editorPane.getEditorKit()).getInputAttributes();
      StyleConstants.setFontFamily(defaultAttrSet, "Lucida Sans");
  
      Document doc = new DefaultStyledDocument();
      editorPane.setDocument(doc);
      try {
        doc.insertString(0, initText, defaultAttrSet);
      } catch (Exception ex) {
        throw new RuntimeException(ex);
      }
  
      JScrollPane scrollPane = new JScrollPane(editorPane);
      frame.getContentPane().add(scrollPane, BorderLayout.CENTER);
  
      editorPane.setEditable(true);
    }
docs: private String initText = "In";