// Project: Loops
// Module: counting
// Source code file: Main.java
// Count to 100 using while and for loops.
// Also count backwards from 100 to 1 by 7s.

public class Main {
    public static int LINE_SIZE = 30;
    public static void main(String[] args) {

        // Count to 100 with while loop.
        int n = 1;
        while (n <= 100) {
            System.out.print(n + " ");
            if (n % LINE_SIZE == 0) {
                System.out.println( );
            }
            n++;
        }

        System.out.println("\n");

        // Count to 100 with for loop.
        for(n = 1; n <= 100; n++) {
            System.out.print(n + " ");
            if (n % LINE_SIZE == 0) {
                System.out.println( );
            }
        }

        System.out.println("\n");

        // Count backwards from 100 by 7s.
        for(n = 100; n >= 1; n -= 7) {
            System.out.print(n + " ");
        }
    }
}