Java Socket编程，读服务器几个字符，再写入本地显示。

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;

public class Server {

private ServerSocket ss;
private Socket socket;
private BufferedReader in;
private PrintWriter out;
public Server(){
try {
ss=new ServerSocket(10000);
while(true){
socket=ss.accept();
String RemoteIp=socket.getInetAddress().getHostAddress();
String RemotePort=":"+socket.getLocalPort();
System.out.println("A client come in!IP: "+RemoteIp+RemotePort);
in=new BufferedReader(new InputStreamReader(socket.getInputStream()));
String line=in.readLine();
System.out.println("Client send is:"+line);
out=new PrintWriter(socket.getOutputStream(),true);
out.println("Your Message Received!");
out.close();
in.close();
socket.close();

}
} catch (IOException e) {
// TODO Auto-generated catch block
out.print("wrong");
}
}
public static void main(String[] args){
new Server();
}

}

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;
import java.net.UnknownHostException;

public class Client {
Socket socket;
BufferedReader in;
PrintWriter out;
public Client(){
System.out.println("try to Connect to 127.0.0.1:10000");
try {
socket=new Socket("127.0.0.1",10000);
System.out.println("The Server Connected!");
System.out.println("Please enter some character:");
BufferedReader line=new BufferedReader(new InputStreamReader(System.in));
out=new PrintWriter(socket.getOutputStream(),true);
out.println(line.readLine());////
in=new BufferedReader(new InputStreamReader(socket.getInputStream()));
System.out.println(in.readLine());
out.close();
in.close();
socket.close();

} catch (UnknownHostException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
out.println("wrong");
}

}
public static void main(String[] args){
new Client();

}
}