Move JPanel and JButton?

import javax.swing.*; import java.awt.*; import java.awt.image.BufferedImage; import java.awt.event.*; public class Engine extends Thread {  public JFrame frame = new JFrame("drawWorld");  public JPanel panel;  public JButton startGame = new JButton("START");  public JLabel highscore = new JLabel("HIGHSCORE: ");  public JLabel score = new JLabel("CURRENT SCORE: ");  public int shift = 0;  public int bounce = 0;  public Player player;  public Engine(Player pPlayer) {    frame.setExtendedState(frame.getExtendedState() | JFrame.MAXIMIZED_BOTH);    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);    frame.setLocationRelativeTo(null);    this.player = pPlayer;  }  public void startdraw(List blocks) {    panel = new JPanel() {      @Override      protected void paintComponent(Graphics g) {        List<Block> world = blocks.copy(); //Kopiert das Listenobjekt, damit es nicht zu einem doppeltem Zugriff kommt        super.paintComponent(g);        BufferedImage buffer = new BufferedImage(frame.getWidth(), frame.getHeight(), BufferedImage.TYPE_INT_ARGB);        Graphics bufferGraphics = buffer.getGraphics();        player.isUpdating = true;        if (player.dead == false) {          bufferGraphics.drawImage(player.texture, (int)frame.getWidth() / 2 - 75, (int)frame.getHeight() / 2, 150, 150, null);          world.toFirst();          while (world.getContent() != null) {            Block currentDrawing = (Block)world.getContent();            if (currentDrawing != null) {              bufferGraphics.drawImage(currentDrawing.texture, (int)currentDrawing.x*100 - shift + ((int)frame.getWidth() - 1000) / 2 - 350, (int)currentDrawing.y*100 + bounce + 45 + ((int)frame.getHeight() - 1000) / 2, (int)100, (int)100, null);            }            world.next();          }        }        score.setText("CURRENT SCORE: " + player.world.score);        highscore.setText("HIGHSCORE: " + player.world.highscore);        g.drawImage(buffer, 0, 0, null);        player.isUpdating = false;      }    };    startGame.addActionListener(new ActionListener() {        @Override        public void actionPerformed(ActionEvent e) {          player.reset();          player.dead = false;          panel.remove(startGame);          frame.requestFocusInWindow();          frame.repaint();        }      });    frame.add(panel);    panel.add(this.highscore);    panel.add(this.score);    if (player.dead) {      panel.add(this.startGame);    }    frame.setVisible(true);  }  public void update() {    frame.repaint();  } }

Hello folks,

I was wondering how I could move the objects this.highscore, this.score, and this.startGame. I've tried several options. setBounds, setHorizontal, and setVerticalAlignment didn't work. Why is that?

Thanks in advance!