Diamond Exam

package DrawingWithLoop;

import java.util.Scanner;

public class Diamond {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int n = Integer.parseInt(scanner.nextLine());

        String star = "*";
        String dot = ".";

        // First Line
        String outerDotsFirstLine = repeatString(dot, n);
        String starsFirstLine = repeatString(star, 3 * n);
        System.out.printf("%s%s%s%n", outerDotsFirstLine, starsFirstLine, outerDotsFirstLine);

        // Before Middle Line
        for (int i = 0; i < n - 1; i++) {
            String outerDots = repeatString(dot, n - 1 - i);
            String innerDots = repeatString(dot, (3 * n) + 2 * i);

            System.out.printf("%s%s%s%s%s%n", outerDots, star, innerDots, star, outerDots);
        }

        // Middle Line
        int width = 5 * n;

        String middleLine = repeatString(star, 5 * n);
        System.out.println(middleLine);

        // After Middle Line
        for (int i = 0; i < n * 2; i++) {
            String outerDots = repeatString(dot, i + 1);
            String innerDots = repeatString(dot, (width - 4) - 2 * i);

            System.out.printf("%s%s%s%s%s%n", outerDots, star, innerDots, star, outerDots);
        }

        // Last Line
        String outerDotsLastLine = repeatString(dot, (width - (n - 2)) / 2);
        String starsLastLine = repeatString(star, n - 2);

        System.out.printf("%s%s%s%n", outerDotsLastLine, starsLastLine, outerDotsLastLine);
    }

    public static String repeatString(String toRepeat, int count) {
        String text = "";
        for (int i = 0; i < count; i++) {
            text += toRepeat;
        }
        return text;
    }
}