Java Textarea ScrollPane

Question

I have created a textarea, and i need a scrollbar applied to the textarea when necessary (when the text gets too long down and it cant be read anymore).

this is the code

Answer 1

see this

 import javax.swing.*;

    public class TestFrame extends JFrame

{
    JTextAreaWithScroll textArea;

    public TestFrame ()
    {
        super ("Test Frame");

        setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
        setSize (300, 300);

        textArea = new JTextAreaWithScroll (JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
                                            JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);

        add (textArea.getScrollPane ());
    }

    public static void main (String[] args)
    {
        SwingUtilities.invokeLater (new Runnable()
        {
            public void run ()
            {
                TestFrame f = new TestFrame ();
                f.setVisible (true);
            }
        });
    }
}


class JTextAreaWithScroll extends JTextArea
{
    private JScrollPane scrollPane;

    public JTextAreaWithScroll (int vsbPolicy, int hsbPolicy)
    {
        scrollPane = new JScrollPane (this, vsbPolicy, hsbPolicy);
    }

    public JScrollPane getScrollPane ()
    {
        return scrollPane;
    }
}

from http://forum.html.it/forum/showthread/t-1035892.html