Fallen In Love

package draw;

import java.util.Scanner;

public class SomeLove {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = Integer.parseInt(scanner.nextLine());

        for (int i = 0, b = 0; i < n; i++, b += 2) {
            String line = String.format("#%s#%s#%s#%s#%s#",
                    doMagic("~", i),
                    doMagic(".", n * 2 - b),
                    doMagic(".", b),
                    doMagic(".", n * 2 - b),
                    doMagic("~", i));
            System.out.println(line);
        }

        for (int i = 0, b = 0; i <= n; i++, b += 2) {
            String line = String.format(".%s#%s#%s#%s#%s.",
                    doMagic(".", b),
                    doMagic("~", n - i),
                    doMagic(".", 2 * n - b),
                    doMagic("~", n - i),
                    doMagic(".", b));
            System.out.println(line);
        }

        for (int i = 0; i < n; i++) {
            System.out.println(doMagic(".", (4 * n + 4) / 2) +
                    "##" +
                    doMagic(".", (4 * n + 4) / 2));
        }
    }

    static String doMagic(String text, int count) {
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < Math.abs(count); i++) {
            sb.append(text);
        }
        return sb.toString();
    }
}