import java.awt.BorderLayout; import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTextPane; import javax.swing.text.BadLocationException; import javax.swing.text.DefaultStyledDocument; import javax.swing.text.SimpleAttributeSet; import javax.swing.text.Style; import javax.swing.text.StyleConstants; import javax.swing.text.StyleContext; import javax.swing.text.StyledDocument; public class JTextPaneStyle { private static String message = "public class JTextPaneStyle" + "public static void main(String args[]) {" + "JFrame frame = new JFrame();"; public static void main(String args[]) { JFrame frame = new JFrame("TextPane Example"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); StyleContext context = new StyleContext(); StyledDocument document = new DefaultStyledDocument(context); Style style = context.getStyle(StyleContext.DEFAULT_STYLE); StyleConstants.setAlignment(style, StyleConstants.ALIGN_RIGHT); StyleConstants.setFontSize(style, 14); StyleConstants.setSpaceAbove(style, 4); StyleConstants.setSpaceBelow(style, 4); try { document.insertString(document.getLength(), message, style); } catch (BadLocationException badLocationException) { System.err.println("Oops"); } JTextPane textPane = new JTextPane(document); textPane.setEditable(false); JScrollPane scrollPane = new JScrollPane(textPane); frame.add(scrollPane, BorderLayout.CENTER); frame.setSize(300, 150); frame.setVisible(true); } }