Java program, the program has a page that shows the users name and program name. a second jpanel that shows 4 buttons (circle square rectangle and oval) the problem i am having is that my program is not dropping where i click and the shapes are not staying on the page. can anyone help?

import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.util.*;
import javax.swing.*;

public class ShapeStamper extends JFrame
{
Random rand = new Random();
public int x;
public int y;
private JPanel panel1, panel2;
private JButton button1, button2, button3, button4;
private int choice = 0;
public ShapeStamper()
{
super("Shape Stamper!");
panel1 = new JPanel();
button1 = new JButton("Circle");
button2 = new JButton("Square");
button3 = new JButton("Rectangle");
button4 = new JButton("Oval");
  
button1.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent ae)
{
choice = 1;
}
});
button2.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent ae)
{
choice = 2;
}
});
button3.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent ae)
{
choice = 3;
}
});
button4.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent ae)
{
choice = 4;
}
});
panel2 = new JPanel();
panel2.setBackground(Color.WHITE);
MouseHandler mouse = new MouseHandler();
setVisible(true);
addMouseListener(mouse);
addMouseMotionListener(mouse);
add(panel2);
panel1.add(button1);
panel1.add(button2);
panel1.add(button3);
panel1.add(button4);
  
add(panel1, BorderLayout.SOUTH);
setSize(500, 500);
setVisible(true);
}//end ShapeStamper()
private ArrayList arrOfRect = new ArrayList<>();
private ArrayList arrOfEllipse = new ArrayList<>();
  
public void paintComponent(Graphics g)
{
Graphics2D g2 = (Graphics2D) g;
for (Rectangle2D r: arrOfRect)
{
g2.draw(r);
}
for (Ellipse2D e: arrOfEllipse)
{
g2.draw(e);
}
}//end paintcomponenets(graphics g)
  
private class MouseHandler extends MouseAdapter implements MouseMotionListener
{
public void mousePressed(MouseEvent e)
{
x = e.getX();
x = e.getY();
  
repaint();
}
}//end mousehandler
  
public void paint(Graphics g)
{
super.paintComponents(g);
Graphics2D g2d = (Graphics2D) g;
if(choice == 0)
{
g.setFont(new Font("Serif", Font.BOLD, 32));
g.drawString("Shape Stamper!", 150, 220);
g.setFont(new Font("Serif", Font.ITALIC, 16));
g.drawString("Programmed by", 150, 230);
}
if(choice == 1)
{
Ellipse2D ellipse = new Ellipse2D.Double(x, y, 100,100);
arrOfEllipse.add(ellipse);
Color randColor1 = new Color(rand.nextInt(256), rand.nextInt(256), rand.nextInt(256));
g2d.setPaint(randColor1);
g2d.drawOval(x, y, 100, 100);
}
if(choice == 2)
{
Rectangle2D rectangle = new Rectangle2D.Double(x, y, 100, 100);
arrOfRect.add(rectangle);
Color randColor2 = new Color(rand.nextInt(256), rand.nextInt(256), rand.nextInt(256));
g2d.setPaint(randColor2);
g2d.drawRect(x, y, 100, 100);
}
if(choice == 3)
{
Rectangle2D rectangle = new Rectangle2D.Double(x, y, 150, 100);
arrOfRect.add(rectangle);
Color randColor3 = new Color(rand.nextInt(256), rand.nextInt(256), rand.nextInt(256));
g2d.setPaint(randColor3);
g2d.drawRect(x, y, 150, 100);
}
if(choice == 4)
{
Ellipse2D ellipse = new Ellipse2D.Double(x, y, 100,50);
arrOfEllipse.add(ellipse);
Color randColor4 = new Color(rand.nextInt(256), rand.nextInt(256), rand.nextInt(256));
g2d.setPaint(randColor4);
g2d.drawOval(x, y, 100, 50);
}
  
}
public static void main(String[] args)
{
ShapeStamper shape = new ShapeStamper();
shape.setDefaultCloseOperation(EXIT_ON_CLOSE);
}
}