单项通信的服务器端程序，接受客户端输入并显示

//单项通信的服务器端程序，接受客户端输入并显示。
import java.io.*;
import java.net.*;
public class simpleserver {
public static void main(String[] args) {
//保存读入的字符串
String str;
try{
//建立服务端套接字
ServerSocket s = new ServerSocket(9006);
System.out.println(“Started server succ: ” + s);
try {
//监听，接受客户端的连接请求
Socket socket = s.accept();
try {
//获得当前连接的数据流
System.out.println(“Connection accepted: “+ socket);
//获得输入流
BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
//获得输出流
PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream())),true);
//向客户端输出欢迎信息
out.println(“Server said: Welcome you!”);
//读取数据
while (true)
{
str = in.readLine().trim();
System.out.println(“” + str);
}
}
catch(IOException e)
{
System.out.println(“Connection error,maybe client closed!”);
}
finally
{
System.out.println(“closing…”);
socket.close();
}
}
catch(IOException exc)
{
System.out.println(“Server accept() failed!”);
}
finally
{
s.close();
System.exit(0);
}
}
catch(IOException ex)
{
System.out.println(“Server started failed,please repeat or change port!”);
System.exit(0);
}
}
}