BlueJ.NumbersTrianglesTables/TriangleUtilities.java at e6337dbd6dcd07f6d23525800f1e06c54a63f4fb · Zipcoder/BlueJ.NumbersTrianglesTables · GitHub

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 public class TriangleUtilities {

    public static String getRow(int numberOfStars) {
        String outcome = "";

        for (int i = 0; i < numberOfStars; i++) {
            outcome += "*";
        }

        return outcome;
    }

    public static String getTriangle(int numberOfRows) {
        String outcome = "";
        String stars = "*";

        for (int i = 1; i <= numberOfRows; i++) {
            outcome += stars.repeat(i) + "\n";
        }

        return outcome;
    }

    public static String getSmallTriangle() {
        String outcome = "";
        String stars = "*";

        for (int i = 1; i <= 4; i++) {
            outcome += stars.repeat(i) + "\n";
        }

        return outcome;
    }

    public static String getLargeTriangle() {
        String outcome = "";
        String stars = "*";

        for (int i = 1; i <= 9; i++) {
            outcome += stars.repeat(i) + "\n";
        }

        return outcome;
    }
}