package uebung27;

public class MultiplesOfThree {

	// Rekursiv:
	public static void multiplesOfThree(int n) {
		multiplesOfThree(n, 0);
	}
	
	// Rekursive Hilfsfunktion:
	static void multiplesOfThree(int n, int i) {
		if (i <= n) {
			if (i != 0)
				System.out.print(", ");
			System.out.print(i);
			
			i += 3;
			multiplesOfThree(n, i);
		}
	}

	// Iterativ:
	static void mOTiter(int n) {
		for (int i = 0; i <= n; i += 3) {
			if (i != 0)
				System.out.print(", ");
			System.out.print(i);
		}
	}
	
	
	public static void main(String[] args) {
		multiplesOfThree(17);
	}

}