public class TriangleUtilities {

    public static String getRow(int numberOfStars) {
        String output = "";
        for(int i = 0; i < numberOfStars; i ++){
            output = output + "*";
        }
        return output;
    }
    
    public static String getTriangle(int numberOfRows) {
        String output = "";
        for(int i = 0; i < numberOfRows; i++){
            for(int j = 0; j <= i; j++){
                output = output + "*";
            }
            output = output + "/n";
        }
        return output;
    }


    public static String getSmallTriangle() {
        String output = "";
        for(int i = 0; i < 4; i ++){
            for(int j = 0; j <= i; j++){
                output = output + "*";
            }
            output = output + "\n";
        }
        return output;
    }

    public static String getLargeTriangle() {
        String output = "";
        for(int i = 0; i < 9; i ++){
            for(int j = 0; j <= i; j++){
                output = output + "*";
            }
            output = output + "\n";
        }
        return output;
    }
}