server.java

用java实现Socket通信程序名称：socket_communicate 运行环境：Win XP；Jbuilder 7 注意事项：

/*
 * Created on 2004-8-11
 *
 * To change the template for this generated file go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
package socket_communicate;

import java.io.*;
import java.net.*;
//用java实现支持多线程的socket通信
/**
 * @author Administrator
 *
 * To change the template for this generated type comment go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
public class Server {
	public Server(int port)
	{
		ServerSocket serversocket=null;
		try
		{
		 serversocket=new ServerSocket(port);	
		}
		catch(IOException e)
		{
			System.out.println("Error occurs when listening to port:"+port);
			System.exit(0);
		}
		System.out.println("Server is listening to port "+port);
		Socket clientsocket=null;
		try
		{
			clientsocket=serversocket.accept();
		}
		catch(IOException e)
		{
			System.out.println("Error occurs:"+e.getMessage());
			System.exit(0);
		}
		try {
			PrintWriter out=new PrintWriter(clientsocket.getOutputStream(),true);//用来向客户端输出信息
			BufferedReader in=new BufferedReader(new InputStreamReader(clientsocket.getInputStream()));
			String line;
					while((line=in.readLine())!=null)
					{
						out.println("The message send form Client to Server is:"+line+".");//这条语句将向客户端输出信息
						System.out.println("Message from Client is:"+line);//向标准输出设备输出信息
					}
			in.close();
			out.close();
			clientsocket.close();
			serversocket.close();
		}
		catch(IOException e)
		{
			System.err.println("Error:"+e.getMessage());
		}
		
	}
	public static void main(String[] args) {
		Server server=new Server(85);
	}
}