public static void printStars(int number) {
        for (int i = 0; i < number; i++) {
            System.out.print("*");
        }
        System.out.println(" ");

    }

    public static void printSpaces(int number) {
        for (int i = 0; i < number; i++) {
            System.out.print(" ");
        }
    }

    public static void printTriangle(int number) {
        // Each row of Triangles are made up of stars and spaces
        // may be I should count their numbers and come up with general
        // formula that satisfies the condition at each row.
        for (int i = 0; i < number; i++) {

            // how many spaces do I need at each line?
            // for the first row I would need 4 spaces
            // for the second row I would need 3 spaces
            // for the third row I would need 2 spaces
            // for the fourth row I would need 1 space.
            // for the fifth row I would need 0 spaces

            printSpaces(number - i - 1);
            // how many starts do I need at each line?

            // for the first row I would need 1 star
            // for the second row I would need 2 stars
            // for the third row I would need 3 stars
            // for the fourth row I would need 4 stars
            // for the fifth row I would need 5 stars.

            printStars(i + 1);
        }