File list (Check if you may need any files):
ch04\.classpath
....\.project
....\bin\client\AboutDialog$WindowCloser.class
....\...\......\AboutDialog.class
....\...\......\Fish.class
....\...\......\FishClient.class
....\...\......\FishPanel.class
....\...\......\MultiCast.class
....\...\......\MusicPlay.class
....\...\......\NetState.class
....\...\......\Receiver.class
....\...\......\Sender.class
....\...\......\SwimFish.class
....\...\fishinfo\FishInfo.class
....\...\server\ClientInfo.class
....\...\......\ClientList.class
....\...\......\FishServer.class
....\...\......\Transmitter.class
....\pics\Thumbs.db
....\....\fish00.gif
....\....\fish01.gif
....\....\fish02.gif
....\....\fish03.gif
....\....\fish04.gif
....\....\fish05.gif
....\....\fish06.gif
....\....\fish07.gif
....\....\sea2.jpg
....\sound\bubble0.wav
....\.....\bubble1.wav
....\.rc\client\AboutDialog.java
....\...\......\Fish.java
....\...\......\FishClient.java
....\...\......\FishPanel.java
....\...\......\MultiCast.java
....\...\......\MusicPlay.java
....\...\......\NetState.java
....\...\......\Receiver.java
....\...\......\Sender.java
....\...\......\SwimFish.java
....\...\fishinfo\FishInfo.java
....\...\server\ClientInfo.java
....\...\......\ClientList.java
....\...\......\FishServer.java
....\...\......\Transmitter.java
....\bin\client
....\...\fishinfo
....\...\server
....\src\client
....\...\fishinfo
....\...\server
....\bin
....\pics
....\sound
....\src
ch04