java的socket通信的demo

package test.socket;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.UnknownHostException;

public class TalkMe {

	public static void main(String[] args) {
		System.out.println("请输入:IP地址：");
		TalkMe talk = new TalkMe();
		talk.listener().start();
		try {
			talk.talker(new BufferedReader(new InputStreamReader(System.in)).readLine()).start();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	private Thread listener(){
		return new Thread() {
			public void run() {
				DataInputStream dataIS = null;
				String clientSay;
				try {
					ServerSocket server = new ServerSocket(9666);
					Socket socket = server.accept();
					while (true) {
						dataIS = new DataInputStream(socket.getInputStream());
						clientSay = dataIS.readLine();
						System.out.println("Other say:" + clientSay);
					}
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
		};
	}
	private Thread talker(final String ip){
		return new Thread(){
			public void run() {
				Socket socket = null;
				InputStreamReader stdin=new InputStreamReader(System.in);
				BufferedReader br=new BufferedReader(stdin);
				DataInputStream dataIS = new DataInputStream(System.in);
				OutputStream os;
				PrintStream ps;
				String say = "";
				boolean flag = true;
				while (flag) {
					if (flag)
						System.out.println("connection ....");
					try {
						socket = new Socket(ip, 9666);
						System.out.println("connection ok.");
						flag = true;
						os = socket.getOutputStream();
						ps = new PrintStream(os);
						while (true) {
							say = dataIS.readLine();
							ps.println(say);
						}
					} catch (UnknownHostException e) {
						try {
							sleep(1000);
						} catch (InterruptedException e1) {
							e1.printStackTrace();
						}
					} catch (IOException e) {
						
					}
				}
			}
		};
	}

}