Java Network

package day6.network;

import java.io.IOException;

import java.net.ServerSocket;

import java.net.Socket;

public class ServerChating {

public static void main(String[] args) {

ServerSocket server = null;

try {

server = new ServerSocket(9000);

Socket socket = server.accept();

Sender a = new Sender(socket);

Receiver b = new Receiver(socket);

a.start();

b.start();

} catch (IOException e) {

e.printStackTrace();

}

}

}

package day6.network;

import java.io.IOException;

import java.net.Socket;

import java.net.ServerSocket;

public class ClientChating {

public static void main(String[] args) {

try {

Socket socket = new Socket("127.0.0.1", 9000); //내 아이피와 포트번호

Sender a = new Sender(socket);

Receiver b = new Receiver(socket);

a.start();

b.start();

} catch (IOException e) {

e.printStackTrace();

}

}

}

package day6.network;

import java.io.IOException;

import java.io.PrintWriter;

import java.net.Socket;

import java.util.Scanner;

public class Sender extends Thread{

Socket socket;

Sender(Socket socket) {

this.socket = socket;

}

public void run(){

Scanner sc = new Scanner(System.in);

PrintWriter pw =null;

try {

pw = new PrintWriter(socket.getOutputStream());

while(sc.hasNext()){

String s = sc.nextLine();

if(s.equals("bye")) break;

//pw.write(s);

pw.println(s);

pw.flush();

}

pw.close();

sc.close();

} catch (IOException e) {

e.printStackTrace();

}

}

}

package day6.network;

import java.io.IOException;

import java.io.PrintWriter;

import java.net.Socket;

import java.util.Scanner;

public class Receiver extends Thread{

Socket socket;

Receiver(Socket socket) {

this.socket = socket;

}

public void run(){

Scanner sc = null;

try {

sc = new Scanner(socket.getInputStream());

while(sc.hasNext()){

String s = sc.nextLine();

if(s.equals("bye")) break;

System.out.println(s);

}

} catch (IOException e) {

e.printStackTrace();

}

}

}