Use BorderFactory to create borders : BorderFactory « Swing « Java Tutorial

1. Java Tutorial
2. Swing
3. BorderFactory

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 *     from this software without specific prior written permission.
 *
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 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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import java.awt.Color;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.GridLayout;

import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.border.Border;
import javax.swing.border.EtchedBorder;
import javax.swing.border.TitledBorder;

/*
 * BorderDemo.java requires the following file: images/wavy.gif
 */
public class BorderDemo extends JPanel {
  public BorderDemo() {
    super(new GridLayout(1, 0));

    // Keep references to the next few borders,
    // for use in titles and compound borders.
    Border blackline, raisedetched, loweredetched, raisedbevel, loweredbevel, empty;

    // A border that puts 10 extra pixels at the sides and
    // bottom of each pane.
    Border paneEdge = BorderFactory.createEmptyBorder(0, 10, 10, 10);

    blackline = BorderFactory.createLineBorder(Color.black);
    raisedetched = BorderFactory.createEtchedBorder(EtchedBorder.RAISED);
    loweredetched = BorderFactory.createEtchedBorder(EtchedBorder.LOWERED);
    raisedbevel = BorderFactory.createRaisedBevelBorder();
    loweredbevel = BorderFactory.createLoweredBevelBorder();
    empty = BorderFactory.createEmptyBorder();

    // First pane: simple borders
    JPanel simpleBorders = new JPanel();
    simpleBorders.setBorder(paneEdge);
    simpleBorders.setLayout(new BoxLayout(simpleBorders, BoxLayout.Y_AXIS));

    addCompForBorder(blackline, "line border", simpleBorders);
    addCompForBorder(raisedetched, "raised etched border", simpleBorders);
    addCompForBorder(loweredetched, "lowered etched border", simpleBorders);
    addCompForBorder(raisedbevel, "raised bevel border", simpleBorders);
    addCompForBorder(loweredbevel, "lowered bevel border", simpleBorders);
    addCompForBorder(empty, "empty border", simpleBorders);

    // Second pane: matte borders
    JPanel matteBorders = new JPanel();
    matteBorders.setBorder(paneEdge);
    matteBorders.setLayout(new BoxLayout(matteBorders, BoxLayout.Y_AXIS));

    ImageIcon icon = createImageIcon("images/wavy.gif", "wavy-line border icon"); // 20x22
    Border border = BorderFactory.createMatteBorder(-1, -1, -1, -1, icon);
    if (icon != null) {
      addCompForBorder(border, "matte border (-1,-1,-1,-1,icon)", matteBorders);
    } else {
      addCompForBorder(border, "matte border (-1,-1,-1,-1,<null-icon>)",
          matteBorders);
    }
    border = BorderFactory.createMatteBorder(1, 5, 1, 1, Color.red);
    addCompForBorder(border, "matte border (1,5,1,1,Color.red)", matteBorders);

    border = BorderFactory.createMatteBorder(0, 20, 0, 0, icon);
    if (icon != null) {
      addCompForBorder(border, "matte border (0,20,0,0,icon)", matteBorders);
    } else {
      addCompForBorder(border, "matte border (0,20,0,0,<null-icon>)",
          matteBorders);
    }

    // Third pane: titled borders
    JPanel titledBorders = new JPanel();
    titledBorders.setBorder(paneEdge);
    titledBorders.setLayout(new BoxLayout(titledBorders, BoxLayout.Y_AXIS));
    TitledBorder titled;

    titled = BorderFactory.createTitledBorder("title");
    addCompForBorder(titled, "default titled border"
        + " (default just., default pos.)", titledBorders);

    titled = BorderFactory.createTitledBorder(blackline, "title");
    addCompForTitledBorder(titled, "titled line border"
        + " (centered, default pos.)", TitledBorder.CENTER,
        TitledBorder.DEFAULT_POSITION, titledBorders);

    titled = BorderFactory.createTitledBorder(loweredetched, "title");
    addCompForTitledBorder(titled, "titled lowered etched border"
        + " (right just., default pos.)", TitledBorder.RIGHT,
        TitledBorder.DEFAULT_POSITION, titledBorders);

    titled = BorderFactory.createTitledBorder(loweredbevel, "title");
    addCompForTitledBorder(titled, "titled lowered bevel border"
        + " (default just., above top)", TitledBorder.DEFAULT_JUSTIFICATION,
        TitledBorder.ABOVE_TOP, titledBorders);

    titled = BorderFactory.createTitledBorder(empty, "title");
    addCompForTitledBorder(titled, "titled empty border"
        + " (default just., bottom)", TitledBorder.DEFAULT_JUSTIFICATION,
        TitledBorder.BOTTOM, titledBorders);

    // Fourth pane: compound borders
    JPanel compoundBorders = new JPanel();
    compoundBorders.setBorder(paneEdge);
    compoundBorders.setLayout(new BoxLayout(compoundBorders, BoxLayout.Y_AXIS));
    Border redline = BorderFactory.createLineBorder(Color.red);

    Border compound;
    compound = BorderFactory.createCompoundBorder(raisedbevel, loweredbevel);
    addCompForBorder(compound, "compound border (two bevels)", compoundBorders);

    compound = BorderFactory.createCompoundBorder(redline, compound);
    addCompForBorder(compound, "compound border (add a red outline)",
        compoundBorders);

    titled = BorderFactory.createTitledBorder(compound, "title",
        TitledBorder.CENTER, TitledBorder.BELOW_BOTTOM);
    addCompForBorder(titled, "titled compound border"
        + " (centered, below bottom)", compoundBorders);

    JTabbedPane tabbedPane = new JTabbedPane();
    tabbedPane.addTab("Simple", null, simpleBorders, null);
    tabbedPane.addTab("Matte", null, matteBorders, null);
    tabbedPane.addTab("Titled", null, titledBorders, null);
    tabbedPane.addTab("Compound", null, compoundBorders, null);
    tabbedPane.setSelectedIndex(0);
    String toolTip = new String(
        "<html>Blue Wavy Line border art crew:<br>&nbsp;&nbsp;&nbsp;Bill Pauley<br>&nbsp;&nbsp;&nbsp;Cris St. Aubyn<br>&nbsp;&nbsp;&nbsp;Ben Wronsky<br>&nbsp;&nbsp;&nbsp;Nathan Walrath<br>&nbsp;&nbsp;&nbsp;Tommy Adams, special consultant</html>");
    tabbedPane.setToolTipTextAt(1, toolTip);

    add(tabbedPane);
  }

  void addCompForTitledBorder(TitledBorder border, String description,
      int justification, int position, Container container) {
    border.setTitleJustification(justification);
    border.setTitlePosition(position);
    addCompForBorder(border, description, container);
  }

  void addCompForBorder(Border border, String description, Container container) {
    JPanel comp = new JPanel(new GridLayout(1, 1), false);
    JLabel label = new JLabel(description, JLabel.CENTER);
    comp.add(label);
    comp.setBorder(border);

    container.add(Box.createRigidArea(new Dimension(0, 10)));
    container.add(comp);
  }

  /** Returns an ImageIcon, or null if the path was invalid. */
  protected static ImageIcon createImageIcon(String path, String description) {
    java.net.URL imgURL = BorderDemo.class.getResource(path);
    if (imgURL != null) {
      return new ImageIcon(imgURL, description);
    } else {
      System.err.println("Couldn't find file: " + path);
      return null;
    }
  }

  /**
   * Create the GUI and show it. For thread safety, this method should be
   * invoked from the event-dispatching thread.
   */
  private static void createAndShowGUI() {
    // Create and set up the window.
    JFrame frame = new JFrame("BorderDemo");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    // Create and set up the content pane.
    BorderDemo newContentPane = new BorderDemo();
    newContentPane.setOpaque(true); // content panes must be opaque
    frame.setContentPane(newContentPane);

    // Display the window.
    frame.pack();
    frame.setVisible(true);
  }

  public static void main(String[] args) {
    // Schedule a job for the event-dispatching thread:
    // creating and showing this application's GUI.
    javax.swing.SwingUtilities.invokeLater(new Runnable() {
      public void run() {
        createAndShowGUI();
      }
    });
  }
}