```java
public class Printing {

    public static void printStars(int amount) {

        // Setting up the loop with counter
        // while the counter is smaller than the provided amount
        // Print a star and increase the counter
        int i = 0;
        while(i < amount){
            System.out.print("*");
            i++;
        }System.out.println("");

    }

    public static void printSquare(int sideSize) {
        int i = 0;
        // as long as i is smaller than given sideZie then it should printStars(sideSize)
        // And then increase the counter so we don't have an infinite loop
        while(i < sideSize) {
            printStars(sideSize);
            i++;
        }


    }
    public static void printRectangle(int width, int height) {
        // again creating a loop with counter
        int i = 0;

        // while the counter is smaller than width & height print the stars with the given width & height
        while(i < width && i < height) {
            printStars(width + height);
            i++;
        }

    }

    public static void printTriangle(int size) {

        // creating another loop with counter
        int i = 0;

        // while i (counter) is small than the given size (in thise case 4)
        // then it'll print a star with the value of the counter and increase the counter.
        while ( i <= size){
            printStars(i);
            i++;
        }

    }

    public static void main(String[] args) {
        // Tests do not use main, yo can write code here freely!
        // if you have problems with tests, please try out first
        // here to see that the printout looks correct

        printStars(3);
        printStars(5);
        printStars(7);
        printStars(9);
        System.out.println("\n---");  // printing --- to separate the figures
        printSquare(4);
        System.out.println("\n---");
        printRectangle(17, 3);
        System.out.println("\n---");
        printTriangle(4);
        System.out.println("\n---");
    }

}

```