// Tyler Rigsby, CSE 142
// Prints different patterns using for loops

// Note: I have included here the drawings, loop tables, and pseudocode
// used in class to illustrate our progression. These should all be left
// out of your personal code when you turn in.
public class LoopPatterns {
    public static void main(String[] args) {
        sequence();
        dotsNums();
    }
    
    /*
    Mapping loop counter to number sequences
    17 13 9 5 1
    */
    public static void sequence() {
        /* 
        for (each of five numbers) {
            print number
        }
        */
        for (int count = 1; count <= 5; count++) {
            System.out.print((21 - 4 * count) + " ");
        }
        System.out.println();
    }
    
    /*
    Mapping complex patterns to loop counters
    ....1
    ...2
    ..3
    .4
    5
    
    line    dots    -1 * line   -1 * line + 5
    1       4       -1          4
    2       3       -2          3
    3       2       -3          2
    4       1       -4          1
    5       0       -5          0
    
    */
    public static void dotsNums() {
        /*
        for (each of 5 lines) {
            print some dots (decreasing)
            print line number
            println
        } 
        */
        for (int line = 1; line <= 5; line++) {
            for (int dots = 1; dots <= (-1 * line) + 5; dots++) {
                System.out.print(".");
            }
            System.out.println(line);
        }
    }
}