// This program contains several examples of for loops to generate text
// figures.

public class ForLoopExamples {
    public static void main(String[] args) {
        /* for loop--control structure
           for (init; test; update) {
           body
           }
        */

        /* output of this loop is:
               1 squared = 1
               2 squared = 4
               3 squared = 9
               4 squared = 16
         */
        for (int i = 1; i <= 4; i++) {
            System.out.println(i + " squared = " + (i * i));
        }
        System.out.println();

        /* output of this loop is:
               T-minus 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, blastoff!
         */
        System.out.print("T-minus ");
        for (int i = 10; i >= 1; i--) {
            System.out.print(i + ", ");
        }
        System.out.println("blastoff!");
        System.out.println();
                
        /* output of this loop is:
               **********
               **********
               **********
               **********
               **********
         */
        for (int i = 1; i <= 5; i++) {
            // System.out.println("**********");
            for (int j = 1; j <= 10; j++) {
                System.out.print("*");
            }
            System.out.println();
        }
        System.out.println();

        /* output of this loop is:
               *
               **
               ***
               ****
               *****
         */
        for (int i = 1; i <= 5; i++) {
            for (int j = 1; j <= i; j++) {
                System.out.print("*");
            }
            System.out.println();
        }
        System.out.println();

        /* output of this loop is:
               1
               22
               333
               4444
               55555
         */
        for (int i = 1; i <= 5; i++) {
            for (int j = 1; j <= i; j++) {
                System.out.print(i);
            }
            System.out.println();
        }
        System.out.println();

        /* output of this loop is:
               1
               12
               123
               1234
               12345
         */
        for (int i = 1; i <= 5; i++) {
            for (int j = 1; j <= i; j++) {
                System.out.print(j);
            }
            System.out.println();
        }
        System.out.println();

        System.out.println("That's all folks...");
    }
}