All 3 programs

CLASS PLAYER:

package monster.defense;

import java.awt.*;

/**
 *
 * @author Morgan
 */
public class player extends Entity
{
    private int xdir;
    private int ydir;
    public player(int x, int y) {
        super(x, y);
        w = 16; h=16;
    }
    public void draw(Graphics g)
    {
        move();
        g.setColor(Color.RED);
        g.fillOval(x, y, w, h);
    }
    private void move()
    {
        if (this.getX()>=890&&this.getXDir()==1||this.getX()<=0&&this.getXDir()==-1)
        {
           this.setXDir(0);
        }
                if (this.getY()>=510&&this.getYDir()==1||this.getY()<=0&&this.getYDir()==-1)
        {
           this.setYDir(0);
        }
        x+=xdir;
        y+=ydir;
    }
    public void setXDir(int value)
    {
        xdir = value;
    }
        public void setYDir(int value)
    {
        ydir = value;
    }

        public int getXDir()
        {
           return xdir;
        }
        public int getYDir()
        {
            return ydir;
        }

}

CLASS ENTITY:

package monster.defense;

import java.awt.*;

public abstract class Entity {
    protected int x, y, w, h;
    protected boolean removed = false;
    public Entity(int x, int y)
{
    this.x = x;
    this.y = y;
}
    public void draw(Graphics g)
    {
    }

    public int getX() {return x;}
    public int getY() {return y;}
    public int getW() {return w;}
    public int getH() {return h;}
}


CLASS GAME:

package monster.defense;

import java.awt.Graphics;
import java.awt.*;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;

public class game extends javax.swing.JPanel implements KeyListener{
    private int x = 20;
    private int y = 20;
    private int cnt = 0;
    private player Player;
    private player maximus;
    Graphics g;
    public game() {
    player[] towers = new player[30];
    setFocusable(true);
    addKeyListener(this);
    addMouseListener(new MouseAdapter(){
        public void mousePressed(MouseEvent m)
            {

              int mx=m.getX();
              int my=m.getY();
              towers[cnt]= new player(mx,my);

              g.setColor(Color.ORANGE);
              g.fillOval(x, y, 20,20);
              towers[cnt].draw(g);


        repaint();
              cnt++;
            }
    });
    Player = new player(100,100);
    maximus = new player(490,300);
        initComponents();
    }
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">
    private void initComponents() {

        setBackground(new java.awt.Color(200, 22, 0));

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
        this.setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 907, Short.MAX_VALUE)
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 521, Short.MAX_VALUE)
        );
    }// </editor-fold>
    public void paint(Graphics g)
    {
        //g.setColor(Color.gray);
        //g.fillRect(0, 0, getWidth(), getHeight());

        g.setColor(Color.ORANGE);
        g.fillOval(x, y, 20,20);
        Player.draw(g);
        maximus.draw(g);
        this.draw(g);

        repaint();
    }
     public void paintComponent(Graphics g)
     {
        g.setColor(Color.ORANGE);
        g.fillOval(x, y, 20,20);
     }


    @Override
    public void keyTyped(KeyEvent e) {

    }

    @Override
    public void keyPressed(KeyEvent e) {
    int c = e.getKeyCode();
        if(c==KeyEvent.VK_W)
        {
            y-=1;
            Player.setYDir(-1);
        }
         if(c==KeyEvent.VK_S)
        {
            y+=1;
            Player.setYDir(1);
        }
         if(c==KeyEvent.VK_A)
        {
            x-=1;
            Player.setXDir(-1);
        }
         if(c==KeyEvent.VK_D)
        {
            x+=1;
            Player.setXDir(1);
        }


    }
    @Override
    public void keyReleased(KeyEvent e) {
        Player.setXDir(0);
        Player.setYDir(0);
    }

    // Variables declaration - do not modify
    // End of variables declaration
}