Java Socket实现1V1简单通信（通过Dos命令窗口实现）

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.ServerSocket;
import java.net.Socket;

public class CoolServer {

public static void main(String[] args) {
try {
ServerSocket ss = new ServerSocket(23456);
Socket s = ss.accept();
System.out.println("Conneted--");
new Thread(new ServerRece(s)).start();
new Thread(new ServerSend(s)).start();
}catch(Exception e){
e.printStackTrace();
}
}
}
class ServerRece implements Runnable{

private Socket socket;
private BufferedReader br = null;

public ServerRece(Socket socket) {
this.socket = socket;
}
@Override
public void run() {
try {
br = new BufferedReader(
new InputStreamReader(
socket.getInputStream()));
String line ;
while ((line = br.readLine())!=null) {
System.out.println(line);
}
} catch (IOException e) {
e.printStackTrace();
}
}

}
class ServerSend implements Runnable{

private Socket socket;
private BufferedReader br;
private BufferedWriter bw;

public ServerSend(Socket socket) {
this.socket = socket;
}

@Override
public void run() {

try {
br = new BufferedReader(new InputStreamReader(System.in));
bw = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
String line ;
while ((line = br.readLine())!=null) {
bw.write(line);
bw.newLine();
bw.flush();
}
} catch (IOException e) {
e.printStackTrace();
}
}

}

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.Socket;
import java.net.UnknownHostException;

public class CoolClient {

public static void main(String[] args) {

try {
Socket socket = new Socket("192.168.191.2", 23456);
new Thread(new ClientSend(socket)).start();
new Thread(new ClientRece(socket)).start();
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}

}
}
class ClientRece implements Runnable{

private Socket socket;
private BufferedReader br;

public ClientRece(Socket socket) {
this.socket = socket;
}

@Override
public void run() {

try {
br = new BufferedReader(
new InputStreamReader(
socket.getInputStream()));
String line;
while((line = br.readLine())!=null){
System.out.println(line);
}
} catch (IOException e) {
e.printStackTrace();
}
}

}
class ClientSend implements Runnable{

private Socket socket;
private BufferedReader br;
private BufferedWriter bw;

public ClientSend(Socket socket) {
this.socket = socket;
}

@Override
public void run() {

try {
br = new BufferedReader(
new InputStreamReader(System.in));

/*下面这行其实可以使用更方便的PringWriter代替BufferedWriter*/
bw = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
String line;

while((line = br.readLine())!=null){
bw.write(line);
bw.newLine();
bw.flush();
}
} catch (IOException e) {
e.printStackTrace();
}
}

}