class Wait { public static void oneSec() { try { Thread.currentThread().sleep(1000); } catch (InterruptedException e) { e.printStackTrace(); } } public static void manySec(long s) { try { Thread.currentThread().sleep(s * 1000); } catch (InterruptedException e) { e.printStackTrace(); } } } public class Main{ public static void main(String args[]) { Wait.oneSec(); Wait.manySec(5); } }