Can someone please help with code needed to create separate classes and whats needed to run $($Square and Circle are below$)$

Triangle $$ Rectangle $$ Sphere $$ Cube $$ Cone $$ Cylinder $$ Torus

import javax.swing.$*$;

import java.awt.$*$;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

public class ShapeSelectorGUI extends JFrame $\{$

private JComboBox shapeComboBox;

private JComboBox sizeComboBox;

private JPanel displayPanel;

public ShapeSelectorGUI$()\{$

setTitle$("$Shape Selector"$)$;

setSize$(400,300)$;

setDefaultCloseOperation$($JFrame$.$EXIT$\_$ON$\_$CLOSE$)$;

setLayout$($new BorderLayout$())$;

$//$ Shape selection

String$[]$ shapes $=\{"$Circle$",$ "Square"$\}$;

shapeComboBox $=$ new JComboBox$<>($shapes$)$;

shapeComboBox.addActionListener$($new ShapeSelectionListener$())$;

$//$ Size selection

String$[]$ sizes $=\{"$Small$",$ "Medium", "Large"$\}$;

sizeComboBox $=$ new JComboBox$<>($sizes$)$;

$//$ Control panel

JPanel controlPanel $=$ new JPanel$()$;

controlPanel.add$($new JLabel$("$Select Shape:"$))$;

controlPanel.add$($shapeComboBox$)$;

controlPanel.add$($new JLabel$("$Select Size:"$))$;

controlPanel.add$($sizeComboBox$)$;

$//$ Display panel

displayPanel $=$ new JPanel$()\{$

@Override

protected void paintComponent$($Graphics g$)\{$

super.paintComponent$($g$)$;

drawShape$($g$)$;

$\}$

$\}$;

add$($controlPanel$,$ BorderLayout.NORTH$)$;

add$($displayPanel$,$ BorderLayout.CENTER$)$;

$\}$

private void drawShape$($Graphics g$)\{$

String selectedShape $=($String$)$ shapeComboBox.getSelectedItem$()$;

String selectedSize $=($String$)$ sizeComboBox.getSelectedItem$()$;

int size $=$ getSizeFromSelection$($selectedSize$)$;

if $("$Circle$".$equals$($selectedShape$))\{$

g$.$drawOval$(50,50,$ size, size$)$;

$\}$ else if $("$Square$".$equals$($selectedShape$))\{$

g$.$drawRect$(50,50,$ size, size$)$;

$\}$

$\}$

private int getSizeFromSelection$($String size$)\{$

switch $($size$)\{$

case "Small":

return $50$;

case "Medium":

return $100$;

case "Large":

return $150$;

default:

return $50$;

$\}$

$\}$

private class ShapeSelectionListener implements ActionListener $\{$

@Override

public void actionPerformed$($ActionEvent e$)\{$

displayPanel.repaint$()$;

$\}$

$\}$

public static void main$($String$[]$ args$)\{$

SwingUtilities.invokeLater$(()->\{$

ShapeSelectorGUI gui $=$ new ShapeSelectorGUI$()$;

gui.setVisible$($true$)$;

$\})$;

$\}$

$\}$

package Week$4$Project;

public class Circle $\{$

private double radius;

public Circle$($double radius$)\{$

this.radius $=$ radius;

$\}$

public double getRadius$()\{$

return radius;

$\}$

public void setRadius$($double radius$)\{$

this.radius $=$ radius;

$\}$

public double getArea$()\{$

return Math.PI $*$ radius $*$ radius;

$\}$

$\}$

package Week$4$Project;

public class Square $\{$

private double side;

public Square$($double side$)\{$

this.side $=$ side;

$\}$

public double getSide$()\{$

return side;

$\}$

public void setSide$($double side$)\{$

this.side $=$ side;

$\}$

public double getArea$()\{$

return side $*$ side;

$\}$

$\}$