Me2API me2api = new Me2API();
        me2api.setUsername("knight111111");
        me2api.setApplicationKey("7f4e6364d7f4dd8bf7072c11f20b3be0");
        me2api.setUserKey("67000463");
        me2api.post("test");

Me2API me2api = new Me2API();
me2api.setUsername("knight111111");
me2api.setApplicationKey("7f4e6364d7f4dd8bf7072c11f20b3be0");
me2api.setUserKey("67000463");
me2api.createComment("pyhja7h-665uq", "reply-test");

import java.io.IOException;
import java.util.List;
import java.util.Timer;
import java.util.TimerTask;

import javax.xml.parsers.ParserConfigurationException;

import net.me2day.java.Comment;
import net.me2day.java.Me2API;
import processing.core.PApplet;
import processing.serial.Serial;

public class Me2dayReplyTest extends PApplet {
    static int replyNumber = 0;
    Serial port;

    /**
     * 초기화
     */
    public void setup() {
        System.out.println("setup - start");
        System.out.println("Available serial ports:" + Serial.list().length);
        for (String comport : Serial.list()) {
            System.out.println(comport);   
        }
       
        if (Serial.list().length == 0) {
            System.out.println("## NO DETECT ##:");
            System.out.println("end programe");
            System.exit(0);
        }
       
        // comment 개수
        replyNumber = getCommentNumber();
       
        // list[1]에 com3로 arduino가 붙어 있다.
        port = new Serial(this, Serial.list()[1], 9600);
        ScheduleJob job = new ScheduleJob();
        Timer jobScheduler = new Timer();
        jobScheduler.schedule(job, 0, 3000);
        System.out.println("setup - end");
    }
   
    // draw 메소드를 override 해줘야 JApplet을 이용해서 serial 을 사용하는 코드에서 문제가 나지 않는다.
    public void draw() {
    }

    static public void main(String args[]) {
        PApplet.main(new String[] { "--bgcolor=#F0F0F0", "Me2dayReplyTest" });
    }

    /**
     * Timer Task를 상속함
     *
     */
    class ScheduleJob extends TimerTask {
        @Override
        public void run() {
            int commentNumber = getCommentNumber() ;
            if (commentNumber != replyNumber) {
                blink();
                replyNumber = commentNumber;
            }
        }
    }

    /**
     * 특정 글에 대한 Comment 개수 구하기
     * @return
     */
    public int getCommentNumber() {
        Me2API me2api = null;
        try {
            me2api = new Me2API();
        } catch (ParserConfigurationException e) {
            e.printStackTrace();
        }
        me2api.setApplicationKey("7f4e6364d7f4dd8bf7072c11f20b3be0");
        me2api.setUserKey("67000463");
        List<Comment> list = null;
        try {
            list = me2api.getComments("pyhja7h-665uq");
        } catch (IOException e) {
            e.printStackTrace();
        }
        System.out.println("list number : " + list.size());
        return list.size();
    }
   
    /**
     * 깜빡, 깜빡~
     */
    public void blink() {
        for (int i = 0; i < 3 ; i++) {
            // turn on led
            port.write(255);
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            port.write(0);
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }

    }
}

const int ledPin = 8;      // the pin that the LED is attached to

void setup()

{

  // initialize the serial communication:

  Serial.begin(9600);

  // initialize the ledPin as an output:

  pinMode(ledPin, OUTPUT);

}

void loop() {

  byte brightness;

  // check if data has been sent from the computer:

  if (Serial.available()) {

    // read the most recent byte (which will be from 0 to 255):

    brightness = Serial.read();

    // set the brightness of the LED:

    analogWrite(ledPin, brightness);

  }

}