Объясните почему не проходит
package com.javarush.task.task16.task1617;
/*
Отсчет на гонках
*/
public class Solution {
public static volatile int numSeconds = 3;
public static void main(String[] args) throws InterruptedException {
RacingClock clock = new RacingClock();
clock.start();
Thread.sleep(3500);
clock.interrupt();
}
public static class RacingClock extends Thread {
public void run() {
try {
while (numSeconds > 0) {
System.out.print(numSeconds + " ");
numSeconds--;
Thread.sleep(1000);
}
System.out.print("Марш!");
} catch (InterruptedException e) {
System.out.print("Прервано!");
}
}
}
}