ping pong game - java-Sticker-ball game (modified v1.1)

package stickerball_game;

import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.Image;
import javax.swing.ImageIcon;


public class Ball {
    
    /** Creates a new instance of Ball */
    private  Sound mysound;
    private int Reduis;
    public int x;
    public int y;
    public int vx;
    public int vy;
    private int BALL_TOP;
    private int BALL_LEFT;
    private int BALL_RIGHT;
    private int BALL_DOWN;
    
    private int PLAYER_TOP;
    private int PLAYER_DOWN;
    private int PLAYER_RIGHT;
    
    private int COMP_TOP;
    private int COMP_DOWN;
    private int COMP_LEFT;
    
    private int max_vx=5;
    private int max_vy=5;
    
    public  Component myBase;
    private Color BallColor;
    
    private Image myImg;
    public Ball(int r, int x,int y,int vx,int vy,Color BallColor,Component newBase) {
        
        Reduis=r;
        this.x=x;
        this.y=y;
        this.vx=vx;
        this.vy=vy;
        myBase=newBase;
        myImg=new ImageIcon("images/Ball.gif").getImage();
        this.BallColor=BallColor;
    }
    
    public void move() {
        
        if (vx > max_vx) vx = max_vx;
        else if (vx < -max_vx) vx = -max_vx;
        else if (vy > max_vy) vy = max_vy;
        else if (vy < -max_vy) vy = -max_vy;
        //  else if (vx == 0 && !isStoped) vx = 1;
        
        x += vx;
        y += vy;
    }
    public int wheresBall() {
        if (vy > 0) {
            if (y > 280) {
                vy = -vy;
                return 0;
            }
        } else if (vy < 0) {
            if (y < 40) {
                vy = -vy;
                return 0;
            }
        }
        if(x<20)
            return 1;
        else if(x>375)
            return 2;
        
        
        
        return 0;
        
    }
    public void PCollision(Player PlayerStick) {
        
        BALL_TOP = y - Reduis;
        BALL_DOWN = y + Reduis;
        BALL_LEFT = x - Reduis;
        BALL_RIGHT = x + Reduis;
        
        
        PLAYER_TOP = PlayerStick.y;
        PLAYER_DOWN = PlayerStick.y + PlayerStick.sizey;
        
        
        if ((BALL_TOP >= PLAYER_TOP  - 10) && (BALL_DOWN <= PLAYER_DOWN + 10)) {
            
            if (BALL_LEFT <= 30 ) {
                
                mysound = new Sound("Sound/hit.wav");
                
                
                vx = - vx;
                
                
                if (PlayerStick.vy < 0) {
                    vy --;
                    
                } else if (PlayerStick.vy > 0) {
                    vy += PlayerStick.vy;
                    
                }
            }
        }
    }
    
    public void CCollision(Computer CompStick) {
        
        BALL_TOP = y - Reduis;
        BALL_DOWN = y + Reduis;
        BALL_LEFT = x - Reduis;
        BALL_RIGHT = x + Reduis;
        
        
        COMP_TOP = CompStick.y;
        COMP_DOWN= CompStick.y + CompStick.sizey;
        
        
        if ((BALL_TOP >= COMP_TOP - 10) && (BALL_DOWN <= COMP_DOWN + 10)) {
            
            if (BALL_RIGHT >= 370 ) {
                
                mysound = new Sound("Sound/hit.wav");
                
                
                vx = - vx;
                
                
                
                if (CompStick.vy < 0) {
                    vy --;
                } else if (CompStick.vy > 0) {
                    vy += CompStick.vy;
                }
                
            }
        }
    }
    public void DrawBall(Graphics g) {
        g.setColor(BallColor);
        
        g.drawImage(myImg,x - Reduis, y - Reduis,myBase);
        
    }
    
}

package stickerball_game;
import java.io.File;
import java.io.IOException;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.SourceDataLine;
import javax.sound.sampled.UnsupportedAudioFileException;


public class Sound {
    
    AudioFormat audioFormat;
    AudioInputStream audioInputStream;
    SourceDataLine sourceDataLine;
    String X;
    
//end main
    /** Creates a new instance of Sound */
    public Sound(String Wavname) {
        new PlayThread().start();
        X=Wavname;
    }
    class PlayThread extends Thread{
        byte tempBuffer[] = new byte[10000];
        
        public void run(){
            File soundFile =new File(X);
           
                try {
                    audioInputStream = AudioSystem.
                            getAudioInputStream(soundFile);
                    audioFormat = audioInputStream.getFormat();
                    
                    
                    DataLine.Info dataLineInfo = new DataLine.Info(SourceDataLine.class,audioFormat);
                    
                    sourceDataLine =(SourceDataLine)AudioSystem.getLine(dataLineInfo);
                    sourceDataLine.open(audioFormat);
                } catch (LineUnavailableException ex) {
                    ex.printStackTrace();
                } catch (UnsupportedAudioFileException ex) {
                    ex.printStackTrace();
                } catch (IOException ex) {
                    ex.printStackTrace();
                }
                sourceDataLine.start();
                try{
                    int cnt;
                    while((cnt = audioInputStream.read(
                            tempBuffer,0,tempBuffer.length)) != -1) {
                        if(cnt > 0){
                            sourceDataLine.write(tempBuffer, 0, cnt);
                        }
                    }
                    sourceDataLine.flush();
                    sourceDataLine.close();
                    Thread.sleep(2000);
                }catch (Exception e) {
                    e.printStackTrace();
                    System.exit(0);
                }
        
        }
        
    }//end inner class PlayThread
//======================//
    
}//end outer class AudioPlayer02.java