<savedPositions>
  <savedPosition>
    <nBehaviour>nBehaviour1</nBehaviour>
    <aBehaviour>aBehaviour1</aBehaviour>
    <findings>findings1</findings>
    <forces>forces1</forces>
    <gap>gap1</gap>
    <position1>0.6488889</position1>
    <position2>-1000.0</position2>
  </savedPosition>
  <savedPosition>
    <nBehaviour>nBehaviour2</nBehaviour>
    <aBehaviour>aBehaviour2</aBehaviour>
    <findings>findings2</findings>
    <forces>aBehaviour2</forces>
    <gap>gap2</gap>
    <position1>-1000.0</position1>
    <position2>-1000.0</position2>
  </savedPosition>
</savedPositions>

public class XmlToObject {

    public static ArrayList<ArrayList<String>> main() {

        ArrayList<ArrayList<String>> obj1 = new ArrayList<ArrayList<String>>();
        ArrayList<ArrayList<String>> obj = new ArrayList<ArrayList<String>>();

        try {
            DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
            DocumentBuilder db = dbf.newDocumentBuilder();
            Document d = db.parse("/home/nicolas/savedPos.xml");
            XPath xp = XPathFactory.newInstance().newXPath();
            NodeList nl = (NodeList) xp.compile("//savedPosition").evaluate(d, XPathConstants.NODESET);
            System.out.println("number of saved positions " + nl.getLength());

            for (int i = 0; i < nl.getLength(); i++) {

                String a = (xp.compile("./nBehaviour").evaluate(nl.item(i)));
                String b = (xp.compile("./aBehaviour").evaluate(nl.item(i)));
                String c = (xp.compile("./gap").evaluate(nl.item(i)));
                String d1 = (xp.compile("./forces").evaluate(nl.item(i)));
                String e = (xp.compile("./findings").evaluate(nl.item(i)));
                String f = (xp.compile("./position1").evaluate(nl.item(i)));
                String g = (xp.compile("./position2").evaluate(nl.item(i)));

                ArrayList<String> savedPosition = new ArrayList<String>();
                savedPosition.add(a);
                savedPosition.add(b);
                savedPosition.add(c);
                savedPosition.add(d1);
                savedPosition.add(e);
                savedPosition.add(f);
                savedPosition.add(g);

                obj.add(savedPosition);

            }

            return obj;

        } catch (Exception l) {
            System.out.println(l.getMessage());
        }

        return obj1;
    }
}

load.addActionListener(new ActionListener() {
    @Override
    public void actionPerformed(ActionEvent e) {

        ArrayList<ArrayList<String>> obj = XmlToObject.main();

        for(ArrayList<String> r: obj){
            for(int i = 0; i < r.size(); i++){
                System.out.println(r.get(i) + "");
            }
            textArea.setText(r.get(0));
            textArea1.setText(r.get(1));
            textArea2.setText(r.get(2));
            textArea3.setText(r.get(3));
            textArea4.setText(r.get(4));
            mediaPlayerComponent.getMediaPlayer().setPosition(Float.parseFloat(r.get(5)));
            mediaPlayerComponent2.getMediaPlayer().setPosition(Float.parseFloat(r.get(6)));
        }
    }
});