import javax.swing.JTextArea;
import javax.swing.text.Document;
import javax.swing.text.JTextComponent;
import javax.swing.text.Position;
public class Main {
public static void main(String[] argv) throws Exception{
JTextComponent textComp = new JTextArea();
Document doc = textComp.getDocument();
Position p = null;
int location = 3;
p = doc.createPosition(location);
}
}