public class Beer {
	public static void main(String[] args) {
		//Geometric progression

		for (int i = 100; i >= 0; i = i - 1) {		//or --i
			System.out.println(i + " bottles of beer on the wall");
			System.out.println(i + " bottles of beer");
			System.out.println("If one of those bottles should happen to fall");
			System.out.println(i - 1 + " bottles of beer on the wall.");
			System.out.println();

			sleep(2000);	//2 seconds
		}

	}

	//The following eight lines are needed to get the above sleep to work.
	private static void sleep(long milliseconds) {
		try {
			Thread.sleep(milliseconds);
		}
		catch (InterruptedException e) {
			System.err.println(e.getMessage());
		}
	}
}