import java.net.*;
import java.io.*;

public class Server1 {
	public static void main(String argv[]) {
		ServerSocket serverSocket = null;
		Socket socket = null;
		BufferedReader sockIn;
		PrintWriter sockOut;
		BufferedReader stdIn = new BufferedReader(new InputStreamReader(
				System.in));
		try {
			// 创建一个端口号为8888的ServerSocket
			serverSocket = new ServerSocket(8888);
			System.out.println("Server listening on port 8888");
			// 监听客户端的连接请求,当建立连接时,返回一个代表此连接的Socket对象
			socket = serverSocket.accept();
			if (socket == null) {
				System.out.println("socket null");
				System.exit(1);
			}
			System.out.println("accept connection from:"
					+ socket.getInetAddress().getHostAddress());
			// 得到输入流
			sockIn = new BufferedReader(new InputStreamReader(
					socket.getInputStream()));
			sockOut = new PrintWriter(socket.getOutputStream()); // 向客户端输出信息
			sockOut.println("hello,i am server");
			sockOut.flush();
			String s = sockIn.readLine();// 接收客户端传过来的数据并输出
			System.out.println("Server received: " + s);
			sockOut.close();// 关闭连接
			sockIn.close();
			socket.close();
			serverSocket.close();
		}// try结束
		catch (Exception e) {
			System.out.println(e.toString());
		}
		System.out.println("server exit");
	}// main方法结束
}