JScrollPane

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

public class ScrollPaneExample{

    public JPanel createContentPane (){

        // As usual, we create our bottom-level panel.
        JPanel totalGUI = new JPanel();
        
        // This is the story we took from Wikipedia.
        String story = "The Internet Foundation Classes (IFC) were a graphics "+
                       "library for Java originally developed by Netscape Communications "+
                       "Corporation and first released on December 16, 1996.\n\n"+
                       "On April 2, 1997, Sun Microsystems and Netscape Communications"+
                       " Corporation announced their intention to combine IFC with other"+
                       " technologies to form the Java Foundation Classes. In addition "+
                       "to the components originally provided by IFC, Swing introduced "+
                       "a mechanism that allowed the look and feel of every component "+
                       "in an application to be altered without making substantial "+
                       "changes to the application code. The introduction of support "+
                       "for a pluggable look and feel allowed Swing components to "+
                       "emulate the appearance of native components while still "+
                       "retaining the benefits of platform independence. This feature "+
                       "also makes it easy to have an individual application's appearance "+
                       "look very different from other native programs.\n\n"+
                       "Originally distributed as a separately downloadable library, "+
                       "Swing has been included as part of the Java Standard Edition "+
                       "since release 1.2. The Swing classes are contained in the "+
                       "javax.swing package hierarchy.";
        
        // We create the TextArea and pass the story in as an argument.
        // We also set it to be non-editable, and the line and word wraps set to true.
        JTextArea storyArea = new JTextArea(story);
        storyArea.setEditable(false);
        storyArea.setLineWrap(true);
        storyArea.setWrapStyleWord(true);
        
        // We create the ScrollPane and instantiate it with the TextArea as an argument
        // along with two constants that define the behaviour of the scrollbars.
        JScrollPane area = new JScrollPane(storyArea, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
                                           JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
        
        // We then set the preferred size of the scrollpane.
        area.setPreferredSize(new Dimension(300, 200));
        
        // and add it to the GUI.
        totalGUI.add(area);
        totalGUI.setOpaque(true);
        return totalGUI;
    }

    private static void createAndShowGUI() {

        JFrame.setDefaultLookAndFeelDecorated(true);
        JFrame frame = new JFrame("[=] Embrace of the JScrollPane [=]");

        ScrollPaneExample demo = new ScrollPaneExample();
        frame.setContentPane(demo.createContentPane());
        
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(350, 300);
        frame.setVisible(true);
    }

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

        JTextArea storyArea = new JTextArea(story);
        storyArea.setEditable(false);
        storyArea.setLineWrap(true);
        storyArea.setWrapStyleWord(true);

        JScrollPane area = new JScrollPane(storyArea, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
                                           JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);

        area.setPreferredSize(new Dimension(300, 200));

        totalGUI.add(area);