Bluej-NumbersTrianglesTables/TriangleUtilities.java

import java.io.*;
import java.util.*;
import java.lang.*;

public class TriangleUtilities {
    public static String getRow(int width) {
        String stars = "";
        for (int i=0; i<width; i++) {
            stars += "*";
        }
        return stars;
    }

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

        for (int i=0; i<numberOfRows; i++) {

            for (int b=0; b<=i; b++) {
                stars += "*";

            }
            stars+= "\n";
        }

        return stars;
    }

    public static String getSmallTriangle() {
        return getTriangle(4);
    }

    public static String getLargeTriangle() {
        return getTriangle(9);
    }
}