// Helene Martin, CSE 143
// A simple star-printing method written iteratively and recursively.

public class Stars {
	public static void main(String[] args) {
		writeStars(3);
		writeStars(15);
		writeStars(0);
	}
	
	// Prints a line containing the given number of stars.
	// Precondition: n >= 0	
	public static void writeStars(int n) {
		if (n == 0) {
			// base case (simplest instance of the problem)
			System.out.println();
		} else {
			// recursive case 
			System.out.print("*");
			writeStars(n - 1);
		}
		
		/* It can be useful to write out specific cases to
		see the pattern for the recursive case

		else if (n == 2) { 
			System.out.print("*");
			writeStars(1);			
		} else if (n == 3) {
			System.out.print("*");
			writeStar(2);				
		} ...*/
	}
	
	// Prints a line containing the given number of stars.
	// Precondition: n >= 0	
	public static void writeStarsIterative(int n) {
		for (int i = 0; i < n; i++) {
			System.out.print("*");
	    }
		System.out.println();
	}
}