import java.awt.FlowLayout;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JtextArea;

public class JScrollPaneExample {
private static final long serialVersionUID = 1L;

private static void createAndShowGUI() {

// Create and set up the window.
final JFrame frame = new JFrame("Scroll Pane Example");

// Display the window.
frame.setSize(500, 500);
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

// set flow layout for the frame
frame.getContentPane().setLayout(new FlowLayout());

JTextArea textArea = new JTextArea(20, 20);
JScrollPane scrollableTextArea = new JScrollPane(textArea);

scrollableTextArea.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
scrollableTextArea.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);

frame.getContentPane().add(scrollableTextArea);
}
public static void main(String[] args) {


javax.swing.SwingUtilities.invokeLater(new Runnable() {

public void run() {
createAndShowGUI();
}
});
}
}