// CSE 142 Autumn 2007, Marty Stepp
//
// This program prints many lines and boxes of stars in a loop.
// This version uses for loops and also shows an advanced concept:
// The String data type.  (hasn't been covered in lecture yet)
//
public class StarsWithLoops {
    public static void main(String[] args) {
        // the original program's output (lines and boxes of stars)
        drawLineOfStars(13);
        drawLineOfStars(7);
        drawLineOfStars(35);
        drawBox(5, 4);
        drawBox(10, 6);
        
        System.out.println();

        // additional output: 3x6, 4x8, 5x10, ..., 10x20 boxes
        for (int i = 3; i <= 10; i++) {
            drawBox(2 * i, i);
        }
    }
    
    // Prints the given character the given number of times.
    // String is the data type for text characters and messages in Java.
    public static void printCharacter(String character, int times) {
        for (int i = 1; i <= times; i++) {
            System.out.print(character);
        }
    }
    
    // Draws a line of stars with the given length.
    public static void drawLineOfStars(int stars) {
        for (int i = 1; i <= stars; i++) {
            System.out.print("*");
        }
        System.out.println();
    }
    
    // Draws a box of stars with the given dimensions.
    public static void drawBox(int width, int height) {
        // top
        drawLineOfStars(width);
        
        // middle
        for (int line = 1; line <= height - 2; line++) {
            System.out.print("*");
            printCharacter(" ", width - 2);
            System.out.println("*");
        }

        // bottom
        drawLineOfStars(width);
    }
}