How to capture audio and output audio.

This is the two pieces of code I used, output audio and capture audio.
The socket in the constructor is used to accept audio data from the network. Do not do network audio can remove it.
I hope to share our experience with you. 8-)
Import java.io.*;
Import javax.sound.sampled.*;
Import java.net.*;
/**
* Title:voicechat
* Description: Output audio (playback program)
* Copyright:copyright (c) 2001
* Company:
* @author you guess!
* @version 1.0
*/
Class Playback implements Runnable {
Final int bufsize = 16384;
Sourcedataline Line;
Thread thread;
Socket s;
Playback (socket s) {//constructor obtains Socket for network input stream
This.s=s;
}
public void Start () {
thread = new thread (this);
Thread.setname ("Playback");
Thread.Start ();
}
public void Stop () {
thread = NULL;
}
public void Run () {
Audioformat format =new audioformat (8000,16,2,true,true);//audioformat (float samplerate, int samplesizeinbits, int Channels, Boolean signed, Boolean Bigendian)