MarioPyramid

package com.signatureschool;

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        int height = getNumber();
        buildPyramid(height);
    }

    public static int getNumber() {
        Scanner sc = new Scanner(System.in);
        int number = 0;
        System.out.println("Enter a number:");
        if (sc.hasNextInt()) {
            number = sc.nextInt();
        } else {
            return getNumber();
        }
        if (number > 0 && number < 9) {
            return number;
        } else {
            return getNumber();
        }
    }

    public static void buildPyramid(int height) {
        for (int i = 0; i < height; i++) {
            for (int k = height - 1; k > i; k--) {
                System.out.print(" ");
            }
            for (int j = 0; j <= i; j++) {
                System.out.print("#");
            }
            System.out.println("#");
        }
    }
}