JavaSocket通信Demo

package com.javasocket;

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 {

public Server() {
try {
ServerSocket serverSocket = new ServerSocket(10000);
Socket socket = serverSocket.accept();

String remoteIP = serverSocket.getInetAddress().getHostAddress();
String remotePort = ":" + serverSocket.getLocalPort();
System.out.println("Aclientcome in ! IP : " + remoteIP + remotePort);

BufferedReader br = new BufferedReader(new InputStreamReader(socket.getInputStream()));
String readerLine = br.readLine();
System.out.println(readerLine);

PrintWriter pw = new PrintWriter(socket.getOutputStream(), true);
pw.println("Your Message Received !");

pw.close();
br.close();
socket.close();

} catch (IOException e) {
e.printStackTrace();
}
}

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

package com.javasocket;

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 {

public Client() {

try {

Socket socket = new Socket("127.0.0.1", 10000);

BufferedReader readCMD = new BufferedReader(new InputStreamReader(System.in));

PrintWriter pw = new PrintWriter(socket.getOutputStream(), true);
pw.println(readCMD.readLine());

BufferedReader br = new BufferedReader(new InputStreamReader(socket.getInputStream()));
System.out.println(br.readLine());

} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}

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