1234567891011121314151617181920212223242526272829303132
  1. public class TriangleUtilities {
  2. public static String getRow(int numberOfStars) {
  3. StringBuilder row = new StringBuilder();
  4. for(int i=1; i <= numberOfStars; i++){
  5. row.append('*');
  6. }
  7. return row.toString();
  8. }
  9. public static String getTriangle(int numberOfRows) {
  10. StringBuilder stars = new StringBuilder();
  11. for(int i=1; i<= numberOfRows; i++){
  12. String triangle = getRow(i);
  13. stars.append(triangle +"\n");
  14. }
  15. return stars.toString();
  16. }
  17. public static String getSmallTriangle() {
  18. return getTriangle(4);
  19. }
  20. public static String getLargeTriangle() {
  21. return getTriangle(9);
  22. }
  23. }