package com.imooc.socket;

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

public class Server {
public static void main(String[] args) throws IOException {
ServerSocket serverSocket=new ServerSocket(2000);
System.out.println(“服务器准备开始，正在启动服务器~~~~”);
System.out.println(“服务器的信息:”+serverSocket.getInetAddress()+" p:"+serverSocket.getLocalPort());

    for(;;) {
        Socket sokcet = serverSocket.accept();
        ServerListen Listen = new ServerListen(sokcet);
        Listen.start();
    }
}

private static class ServerListen extends Thread{
    private Socket socket;
    private boolean flag=true;

    public ServerListen(Socket sokcet) throws IOException{
        this.socket=sokcet;
    }
    @Override
    public void run(){
        super.run();
        System.out.println("客户端的信息输出:"+socket.getInetAddress()+"  p:"+socket.getPort());
        try{
                PrintStream printStream = new PrintStream(socket.getOutputStream());
                BufferedReader reader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
            do {
                String read = reader.readLine();
                if ("bye".equalsIgnoreCase(read)) {
                    flag=false;
                    printStream.println("byte");
                } else {
                    printStream.println(read);
                    printStream.println("回收:" + read.length());
                }
            }while (flag);
            printStream.close();
            reader.close();
        }catch (Exception e){
            System.out.println("客户端接收异常~~~准备关闭服务器~~~~");
        }finally {
            try {
                socket.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        System.out.println("客户端已退出：" + socket.getInetAddress() +
                " P:" + socket.getPort());
    }

}

}
这是服务器的代码
package com.imooc.socket;

import java.io.*;
import java.net.Inet4Address;
import java.net.InetSocketAddress;
import java.net.Socket;

public class Client {
public static void main(String[] args) throws IOException {
Socket socket=new Socket();
socket.setSoTimeout(3000);
socket.connect(new InetSocketAddress(Inet4Address.getLocalHost(),2000),3000);

    System.out.println("连接服务器成功，正在接收服务器的信息~~~~~~");
    System.out.println("~~~~客户端的信息:"+socket.getLocalAddress()+" p:"+socket.getLocalPort());
    System.out.println("~~~~服务器的信息:"+socket.getInetAddress()+"  p:"+socket.getPort());

    try {
        clientSocket(socket);
    } catch (IOException e) {
        System.out.println("异常退出~~~~关闭服务器");
    }
    System.out.println("关闭客户端~~~~~");
    socket.close();
}

public static void clientSocket(Socket client) throws IOException {
    InputStream input=System.in;
    BufferedReader reader=new BufferedReader(new InputStreamReader(input));

    OutputStream outputStream=client.getOutputStream();
    PrintStream clientPrint=new PrintStream(outputStream);

    InputStream inputStream=client.getInputStream();
    BufferedReader clientRead=new BufferedReader(new InputStreamReader(inputStream));

    boolean flag=true;
    do {
        String read = reader.readLine();
        clientPrint.println(read);

        String clientReader=clientRead.readLine();
        if("bye".equalsIgnoreCase(clientReader)){
            flag=false;
        }else{
            System.out.println(clientReader);
        }
    }while (flag);

    clientPrint.close();
    clientRead.close();
}

}
这是客户端端的，老师一直没发现是哪里错误