스캐너

class Server {
 public static void main(String args[]) throws Exception {
  ServerSocket ss = new ServerSocket(7788);
  Socket s = ss.accept();

  Scanner sc = new Scanner(System.in);
  String str = sc.nextLine();

  OutputStream os = s.getOutputStream();
  os.write(str.getBytes());
 }
}

 

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

class Client {
 public static void main(String args[]) throws Exception {
  Socket s = new Socket("192.168.1.170", 7788);
  InputStream is = s.getInputStream();
  Scanner sc = new Scanner(is);
  String str = sc.nextLine();
  System.out.println(str);
 }
}