AboutPanel.java

import java.awt.*;
import java.io.*;
import javax.swing.*;
import java.awt.event.*;
import javax.swing.event.*;
import java.awt.Image.*;
import java.awt.image.BufferedImage;
import javax.imageio.ImageIO;
//Implements the About screen
public class AboutPanel extends JPanel implements ActionListener {
    //Properties
    private Timer aboutTimer = new Timer(1000 / 60, event -> repaint());
    private JButton backButton = new JButton("BACK"); //back button
    private String strfileName = "Assets/AboutPanel.png"; //about image

    //Methods
    @Override
    public void actionPerformed(ActionEvent evt) {
        if (evt.getSource() == backButton) { //if back button is pressed
            Utility.changePanel(new MainMenu().getMenuPanel()); //change panel back to main menu
        }
    }

    public void paintComponent(Graphics g) {
        BufferedImage image = null;
        //draw help screen image
        g.drawImage(Utility.loadImage(strfileName, this.getClass()), 0, 0, null);
    }

    //constructor
    public AboutPanel() {
        //Initialize default JPanel properties
        super();
        //setting back button
        backButton.setSize(100, 25);
        backButton.setLocation(30, 20);
        backButton.addActionListener(this);
        Utility.setButtonStyle(backButton, 12); //setting preset button style
        add(backButton); //adding backbutton to panel
        aboutTimer.start();
    }
}