小编use*_*965的帖子

我的Java项目中有两个类

篮板球

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class Rebound
{

   public static void main (String[] args)
   {
      JFrame frame = new JFrame ("Rebound");
      frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);

      frame.getContentPane().add(new ReboundPanel());
      frame.pack();
      frame.setVisible(true);
   }
}

第二个是ReboundPanel

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.sound.sampled.*;
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.Clip;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.SourceDataLine;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.LineEvent;
import javax.sound.sampled.LineListener;

public class ReboundPanel extends JPanel
{
   private final int WIDTH = 600, HEIGHT = 300;
   private …