16일 차 Thread(쓰레드)를 이용하여 발사 카운트 시키기

public class Ct implements Runnable {

@Override

public void run() {

// TODO Auto-generated method stub

try {

for (int i = 20; i > 0; i--) {

Thread.sleep(1000);

System.out.println(i + "초");

}

} catch (InterruptedException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}

public class Balsa implements Runnable {

@Override

public void run() {

// TODO Auto-generated method stub

try {

System.out.println("15초 후 발사준비 / 20초 후 발사");

Thread.sleep(16000);

System.out.println("발사준비");

Thread.sleep(5000);

System.out.println("발사");

} catch (InterruptedException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}

public class Test {

public static void main(String[] args) {

// TODO Auto-generated method stub

Thread t1 = new Thread(new Ct());

Thread t2 = new Thread(new Balsa());

t1.start();

t2.start();

}

}