import javax.swing.JScrollPane;
import javax.swing.JTextArea;
public class Main {
public static void main(String[] argv) throws Exception {
JTextArea textArea = new JTextArea();
JScrollPane pane = new JScrollPane(textArea);
// Get the default scrollbar policy
int hpolicy = pane.getHorizontalScrollBarPolicy();
// JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED;
int vpolicy = pane.getVerticalScrollBarPolicy();
// JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED;
}
}