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java聊天室代码免费 java聊天程序代码( 三 )

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ClientSocketDemo demo = new ClientSocketDemo(args[0]);
}
else if(comd.length == 2)
{
System.out.println("Hostname and port are named by user");
ClientSocketDemo demo = new ClientSocketDemo(args[0],args[1]);
}
else System.out.println("ERROR");
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
【ServerSocketDemo.java 服务器端Java源代码】
import java.net.*;
import java.io.*;
public class ServerSocketDemo
{
//声明ServerSocket类对象
ServerSocket serverSocket;
//声明并初始化服务器端监听端口号常量
public static final int PORT = 10745;
//声明服务器端数据输入输出流
DataInputStream in;
DataOutputStream out;
//声明InetAddress类对象ip，用于获取服务器地址及端口号等信息
InetAddress ip = null;
//声明字符串数组对象request，用于存储从客户端发送来的信息
String request[];
public ServerSocketDemo()
{
request = new String[3]; //初始化字符串数组
try
{
//获取本地服务器地址信息
ip = InetAddress.getLocalHost();
//以PORT为服务端口号，创建serverSocket对象以监听该端口上的连接
serverSocket = new ServerSocket(PORT);
//创建Socket类的对象socket，用于保存连接到服务器的客户端socket对象
Socket socket = serverSocket.accept();
System.out.println("This is server:"+String.valueOf(ip)+PORT);
//创建服务器端数据输入输出流，用于对客户端接收或发送数据
in = new DataInputStream(socket.getInputStream());
out = new DataOutputStream(socket.getOutputStream());
//接收客户端发送来的数据信息，并显示
request[0] = in.readUTF();
request[1] = in.readUTF();
request[2] = in.readUTF();
System.out.println("Received messages form client is:");
System.out.println(request[0]);
System.out.println(request[1]);
System.out.println(request[2]);
//向客户端发送数据
out.writeUTF("Hello client!");
out.writeUTF("Your ip is:"+request[1]);
out.writeUTF("Your port is:"+request[2]);
}
catch(IOException e){e.printStackTrace();}
}
public static void main(String[] args)
{
ServerSocketDemo demo = new ServerSocketDemo();
}
}
求Java Socket 聊天室代码两个类，实现交互
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
public class MutiChat
{
public static void main(String[] args)
{
MutiChat mc = new MutiChat();
mc.receive().start();
mc.send().start();
}
/**
* 接收信息
*
* @return
*/
private Thread receive()
{
return new Thread()
{
public void run()
{
ServerSocket server_socket = null;
Socket sk = null;
BufferedReader in = null;
try
{
server_socket = new ServerSocket(7777);
sk = server_socket.accept();
in = new BufferedReader(new InputStreamReader(sk
.getInputStream()));
while (true)
{
String str = in.readLine();
System.out.println(str);
}
} catch (Exception e)
{
e.printStackTrace();
}
}
};
}
private Thread send()
{
return new Thread()
{
public void run()
{
Socket client_socket = null;
BufferedReader in = null;
PrintWriter out = null;
while (true)
{

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