Receiver , Sender

Receiver

package kr.or.didt.tcp;

import java.io.DataInputStream;
import java.net.Socket;


// 이 클래스는 Socket을 통해서 메시지를 받아서 화면에 출력하는 역할을 담당하는 클래스이다.
public class Receiver extends Thread {
   private Socket socket;
   private DataInputStream dis;
   
   //생성자
   public Receiver(Socket socket){
	   this.socket = socket;
	   
	   try {
		dis = new DataInputStream(socket.getInputStream());
		
	} catch (Exception e) {
		// TODO: handle exception
	}
   }
   
   @Override
	public void run() {
		
	   while(dis != null){
	   try {
			System.out.println(dis.readUTF());
		} catch (Exception e) {
			// TODO: handle exception
		}
	}
   }
   
}

Sender

package kr.or.didt.tcp;

import java.io.DataOutputStream;
import java.net.Socket;
import java.util.Scanner;

//이 클래스는 Socket을 통해서 메시지를 보내는 역할만 담당하는 클래스이다.
public class Sender extends Thread{
	
 
	private Socket socket;
	private DataOutputStream dos;
	
	private String name;
	private Scanner scan;
	
	// 생성자
	public Sender(Socket socket) {
		this.socket = socket;
		scan = new Scanner(System.in);
		
		System.out.print("이름 입력: ");
		name = scan.nextLine();
		
		try {
			dos = new DataOutputStream(socket.getOutputStream());
		} catch (Exception e) {
			// TODO: handle exception
		}
	}
	@Override
	public void run() {
		while(dos != null){
			try {
				dos.writeUTF(name + " : " + scan.nextLine());
			} catch (Exception e) {
				// TODO: handle exception
			}
		}
	}
	
	
	
}