}
String threadName = Thread.currentThread().getName();
System.out.println(threadName + " has slept for " + sleep_time + " ms for the " + (j + 1) + " times");
}
String threadName = Thread.currentThread().getName();
System.out.println(threadName + " has slept for " + sleep_time + " ms for the " + (j + 1) + " times");