// Several for-loop practice problems

public class OtherPractice {
    public static void main(String[] args) {
        printSquares();
        System.out.println();
        
        blastoff();
        System.out.println();
        
        printStars();
        System.out.println();
        
        pyramid();
        System.out.println();
    }
    
    // display the squares of numbers 1-4
    public static void printSquares() {
        /*
            for (init; test; update) {
                body
            }
        
        */
        for (int i = 1; i <= 4; i = i + 1) { 
            System.out.println(i + " squared = " + (i * i));
        }
        System.out.println("That's all folks...");
    }
    
    // display the following text:
    // 10! 9! 8! 7! 6! 5! 4! 3! 2! 1! 
    // blastoff!
    public static void blastoff() {
        for (int i = 10; i >= 1; i--) {
            System.out.print(i + "! ");
        }
        System.out.println();
        System.out.println("blastoff!");
    }
    
    /* display the following square of stars:
       **********
       **********
       **********
       **********
       **********
    */
    public static void printStars() {
        for (int i = 1; i <= 5; i++) {
            /* We started off with this println:
                System.out.println("**********");
                
               but then replicated this line with
               the following for-loop & println().
            */
            for (int j = 1; j <= 10; j++) {
                System.out.print("*");
            }
            System.out.println();
        }
    }
    
    /* display a pyramid of stars
        *
        **
        ***
        ****
        *****
    */
    public static void pyramid() {
         for (int i = 1; i <= 5; i++) {
            for (int j = 1; j <= i; j++) {
                System.out.print("*");
            }
            System.out.println();
        }   
    }
}