JFrame won't call paint method?

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So I made Pong in a applet for a project in school but I realized that I can't hand in the project without creating a html filewhich idk how to doso I'm attempting to change all my code from a applet to a JFrame. It all works but my paint method isn't being called, any help will be great.

package pong;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

import javax.swing.JFrame;
import javax.swing.JPanel;

class Main extends JPanel implements Runnable, KeyListener{//whatever class holds you main method

    private static final long serialVersionUID = 1L;

    int width = 600;
    int height = width *9/16;
    int Pwidth = 10, Pheight = 50, Px = 30, Py = height / 2-Pwidth, Pv = 3;
    int Ewidth = 10, Eheight = 50, Ex = width - Ewidth - 30, Ey = height / 2-Ewidth - 50;
    double Ev = 2.7;
    int Bwidth = 10, Bheight = 10, Bx = width / 2 + 50, By = height / 2, Bvx = 3, Bvy = 3;
    int TimeD = 0;
    int Ms = 0, sec = 0, min = 0;
    int Pscore = 0, Escore = 0, Pwinx = 800, Pwiny = height / 2, Ewinx = 800, Ewiny = height / 2;
    boolean Bleft = true, Bright = false, Bup = true, Bdown = false;
    boolean Pup = false, Pdown = false;
    boolean Pa = false;
    String string = new String();

public static JFrame frame;//public and static so other classes can access it. Might want to use a getter and setter here

public Main(){
     frame=new JFrame("Pong, A game re-made by Camron Warren");// Create new JFrame
     frame.setSize(width,height);//Set the size of the window
     frame.setDefaultCloseOperation(frame.EXIT_ON_CLOSE);//Make sure all processes are closed when the window is closed
     frame.setLocationRelativeTo(null);//Centers window
     frame.setVisible(true);//Make the window visible
     Thread th = new Thread(this);
        addKeyListener(this);
        th.start();
}

public static void main(String[] args){
     new Main();//instantiate the Main class, this has to happen
}

@Override
public void run() {
    while(true){
        if(Pscore >= 5){
            Pwinx = 100;
            Py = height / 2 - Pheight / 2;
            Bx = width / 2 - Bwidth;
            By = height /2 - Bheight /2;
        }
        if(Escore >= 5){
            Ewinx = 400;
            Py = height / 2-Pwidth;
            Bx = width / 2 - Bwidth;
            By = height /2;
        }
        if(Escore >= 5 && Pa == true){
            Pscore = 0;
            Escore = 0;
            Ewinx = 800;
            Ms = 0;
            sec = 0;
            min = 0;
        }
        if(Pscore >= 5 && Pa == true){
            Pscore = 0;
            Escore = 0;
            Pwinx = 800;
            Ms = 0;
            sec = 0;
            min = 0;
        }
        //ball movement class
        ballMovement();

        //TIME COUNTER
        Ms++;
         if(Ms >= 60){
             sec++;
             Ms = 0;
         }
         if(sec >= 60){
             min++;
             sec = 0;
         }
        //BALLMOVEMENT
        if(Bleft == true){
            Bx-=Bvx;
        }
        if(Bright == true){
            Bx+=Bvx;
        }
        if(Bup == true){
            By-=Bvy;
        }
        if(Bdown == true){
            By+=Bvy;
        }
        //BALLHITBOX
        if(By <= 0){
            Bup = false;
            Bdown = true;
        }
        if(By + Bheight >= height){
            Bdown = false;
            Bup = true;
        }
        //SCORE SYSTEM
        if(Bx <= 0){
            Escore++;
            Bx = width / 2 - Bwidth;
            By = height / 2;
        }

        if(Bx+Bwidth >= width){
            Pscore++;
            Bx = width /2 - Bwidth;
            By = height / 2;
        }
        //PHITBOX
        if(Bx+Bwidth >= Px && Bx <= Px+Pwidth && By+Bheight >= Py && By <= Py+Pheight){
            System.out.println("Phit");
            Bleft = false;
            Bright = true;
        }
        //EHITBOX
        if(Bx+Bwidth >= Ex && Bx <= Ex + Ewidth && By+Bheight >= Ey && By <= Ey + Eheight){
            System.out.println("Ehit");
            Bright = false; 
            Bleft = true;
        }
        //PMOVEMENT
        if(Pup == true){
            Py-=Pv;
        }
        if(Pdown == true){
            Py+=Pv;
        }
        //PHITBOX/APPLETHITBOX
        if(Py <= 0){
            Py = 0;
        }
        if(Py + Pheight >= height){
            Py = height - Pheight;
        }
        //EHITBOX/APPLETHITBOX
        if(Ey <= 0){
            Ey = 0;
        }
        if(Ey + Eheight >= height){
            Ey = height - Eheight;
        }
        //REPAINT
        repaint();
        try {
            Thread.sleep(17);
        } catch (InterruptedException e){
            e.printStackTrace();
    }
}

}
public void ballMovement()
{

    if(By >= Ey)
    {
        Ey += Ev;
    }
    if(By <= Ey)
    {
        Ey -= Ev;
    }

}

public void keyPressed(KeyEvent e) {
    int key = e.getKeyCode();

    if(key == KeyEvent.VK_W){
         Pup = true;
    }
    if(key == KeyEvent.VK_S){
         Pdown = true;
    }
    if(key == KeyEvent.VK_UP){
         Pup = true;
    }
    if(key == KeyEvent.VK_DOWN){
         Pdown = true;
    }
    if(key == KeyEvent.VK_F1){
        Pa = true;
    }
}

public void keyReleased(KeyEvent e) {
    int key = e.getKeyCode();

    if(key == KeyEvent.VK_W){
         Pup = false;
    }
    if(key == KeyEvent.VK_S){
         Pdown = false;
    }
    if(key == KeyEvent.VK_UP){
         Pup = false;
    }
    if(key == KeyEvent.VK_DOWN){
         Pdown = false;
    }
    if(key == KeyEvent.VK_F1){
        Pa = false;
    }
}
@Override
public void keyTyped(KeyEvent arg0) {}

@SuppressWarnings("deprecation")
public void update(Graphics g) {
        Graphics offgc;
        Image offscreen = null;
        Dimension d = size();

        offscreen = createImage(d.width, d.height);
        offgc = offscreen.getGraphics();
        offgc.setColor(getBackground());
        offgc.fillRect(0, 0, d.width, d.height);
        offgc.setColor(getForeground());
        paint(offgc);
        g.drawImage(offscreen, 0, 0, this);
        }

@Override
public void paint(Graphics g){
    g.setColor(Color.green);
    g.fillRect(Px, Py, Pwidth, Pheight);

    g.setColor(Color.RED);
    g.fillRect(Ex, Ey, Ewidth, Eheight);

    g.setColor(Color.BLACK);
    g.fillOval(Bx, By, Bwidth, Bheight);

    g.setColor(Color.BLACK);
    g.drawRect(0, 0, width - 1, height - 1);

    g.drawString("Score: " + Pscore, 20, 20);

    g.drawString("Score " + Escore , width - 60, 20);

    g.drawString("Time played: " + min + ": " + sec, width / 2 - 50, 20);

    g.setColor(Color.BLACK);
    g.fillRect(width / 2, height, 1, height);

    g.setColor(Color.BLACK);
    g.drawLine(width / 2, 0, width / 2, height);

    g.setColor(Color.BLACK);
    g.drawString("Pong: a game re-made by Camron Warren", 10, height - 10);

    g.drawString("Congrat's, you win!", Pwinx, Pwiny);
    g.drawString("Press F1 to play again!", Pwinx, Pwiny + 10);

    g.drawString("Enemy win's", Ewinx, Ewiny);
    g.drawString("Press F1 to play again!", Ewinx, Ewiny + 10);
}
}

asked 1 min ago

user3715546

1

JFrame won't call paint method?