[java] Paint NOT Being Called Correctly

import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import java.io.*;
import java.net.*;
import java.util.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import javax.imageio.*;
import java.lang.*;
import java.applet.*;
import java.lang.reflect.Method;
import javax.swing.JOptionPane;
import javax.swing.JApplet;

public class halfdoomed extends Component implements Runnable, ActionListener, MouseListener, KeyListener, MouseMotionListener
{
	Thread runner;
	JFrame HDf;
	JFrame HDF;
	int XPos;
	int YPos;
	String POS = "Main Menu";
	String[] MMimgFilenames = {"HD0.PNG", "HD1.PNG", "HD2.PNG"};
	int framerate = 3;
	private Image[] mmframes = new Image[3];
	int frame;
	int PCll = 0;
	public static void main(String arg[])
	{
		halfdoomed game = new halfdoomed(arg);
	}
	public halfdoomed(String arg[])
	{
		GraphicsDevice dev = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice(); 
		GraphicsConfiguration gc = dev.getDefaultConfiguration();
		DisplayMode mode = new DisplayMode(1024, 768, 32, DisplayMode.REFRESH_RATE_UNKNOWN);
		HDf = new JFrame("Half-Doomed BETA v. 0.0.1.2");
		HDf.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
		HDf.setUndecorated(true);
		HDf.setVisible(false);
		HDf.add(new halfdoomed(HDf));		
		HDf.pack();
		HDf.setResizable(false);
		dev.setFullScreenWindow(HDf); 
		if(dev.isDisplayChangeSupported()) dev.setDisplayMode(mode);
	}
	public halfdoomed(JFrame HDF)
	{
		try
		{
			URL url = null;
			for(int i = 0; i < 3; i++)
			{
				url = this.getClass().getClassLoader().getResource(MMimgFilenames);
				mmframes = ImageIO.read(url);
			}
		}
		catch (IOException e)
		{
			e.printStackTrace();
			return;
		}
		frame = 1;
		HDF.setVisible(true);
		HDF.addMouseListener(this);
		HDF.addKeyListener(this);
		HDF.addMouseMotionListener(this);
		runner = new Thread(this);
		runner.start();
	}
	public void mouseClicked (MouseEvent me)
	{
	}
	public void mouseEntered (MouseEvent me)
	{
		
	}
	public void mousePressed (MouseEvent me)
	{
			
	}
	public void mouseReleased (MouseEvent me)
	{
		
	}
	public void mouseExited (MouseEvent me)
	{
		
	} 
	public void mouseDragged (MouseEvent mme)
	{
		
	}
	public void mouseMoved (MouseEvent mme)
	{
		XPos = mme.getX();
		YPos = mme.getY();
	}
	public void actionPerformed(ActionEvent e)
	{
	}
	void PlaySound(String URLWAV)
	{
		try {
       		URL url = new URL(URLWAV);
       		AudioClip clip = Applet.newAudioClip(url);
	        clip.play();
		} catch (MalformedURLException e) {}
	}
	public void run()
	{
		repaint();
		try{Thread.sleep(1000 / framerate);}
		catch(InterruptedException ex) {}
	}
	public void paint(Graphics gg)
	{
		Graphics2D g = (Graphics2D)gg;
		if(POS == "Main Menu")
		{
			g.setColor(Color.decode("0xFF0000"));
			g.fill3DRect(0,0,1024,768,true);
			if(frame == 4)
			{
				g.drawImage(mmframes[1], 256, 55, null);
				frame = 0;
			}
			if(frame == 3)
			{
				g.drawImage(mmframes[2], 256, 55, null);
				frame = 4;
			}
			if(frame == 2)
			{
				g.drawImage(mmframes[1], 256, 55, null);
				frame = 3;
			}
			if(frame == 1)
			{
				g.drawImage(mmframes[0], 256, 55, null);
				frame = 2;
			}
			if(frame == 0)
			{
				frame = 1;
			}
			g.setColor(Color.decode("0x000000"));
			g.setFont(new Font("Western",Font.BOLD, 14));
			g.drawString("Play Half-Doomed (Single Player)", 300, 150);
			g.drawString("Play Half-Doomed (Multi Player)", 300, 165);
			g.drawString("Options", 300,180);
			g.drawString("Exit", 300, 195);
			g.drawString("Times Called: "+PCll, 500, 200);
			PCll ++;
		}
	}
	public void update(Graphics gg)
	{
		paint(gg);
	}
	public void keyTyped(KeyEvent event)
	{
		int got = 0;
		char keyP = event.getKeyChar();
	}
	public void keyPressed(KeyEvent event)
	{

	}
	public void keyReleased(KeyEvent event)
	{

	}
}