Java04_Day8_28-03_TCP-IP

//Java04_Day8_28-03_TCP-IP

//Server
public class MyServer{
    public void runTime(){
        try{
            ServerSocket server = new ServerSocket(5000);
            while(true){
                //cho thong tin tu client
                System.out.print("Server listen");
                Socket socket = server.accept();
                InputStream in = socket.getInputStream();
                DataInputStream din = new DataInputStream(in);
                String str = din.readUTF();
                System.out.println("Dao chuoi: \t" + str);
                //System.out.println("Thong tin tu client: \t" + new String(str,getByte(),"UTF-8"));

                //thuc hien logic cua chuong trinh
                char[] chs = str.toCharArray();
                String strNew = "";
                for(int i = chs.length -1; i>-1; i--){
                    strNew += chs[i];
                }

                //tra ket qua cho client
                DataOutputStream dout = new DAtaOutputStream(socket.getOutputStream());
                dout.writeUTF(strNew);
                dout.close();

            }
        }catch(Exception ex){
            Logger.getLogger(MyClient.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    public static void main(String arg[]){
        MyServer obj = new MyServer();
        obj.runTime();
    }

}

//Client


public class MyClass{
    public void sendRequest(){
        try{
                while(true){
                    Socket client = new Socket("127.0.0.1", 5000);
                    OutputStream out = client.getOutputStream();
                    DataOutputStream dout = new DataOutputStream(socket.getOutputStream());
                    System.out.println("Nhap thong tin: ");

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

                    InputStream in = socket.getInputStream();
                    DataInputStream din = new DataInputStream(in);
                    System.out.println("Ket qua\t:" + din.readUTF(str));
                    }
        }catch(Exception ex){
            Logger.getLogger(MyClient.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    public static void main(String argp[]){
        MyClient obj = new MyClient();
        obj.sendRequest();
    }
}