C#Exams 3. House (on Java Code)

import java.util.Scanner;

public class _3_House {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Scanner scan = new Scanner(System.in);
        int size = scan.nextInt();

        int outerDots = size / 2;
        String outerDotSeq = newString('.', outerDots);
        System.out.printf("%1$s*%1$s\n", outerDotSeq);

        int innerDots = 1;
        String innerDotSeq;
        for (int row = 1; row < size / 2; row++) {
            outerDots--;
            outerDotSeq = newString('.', outerDots);
            innerDotSeq = newString('.', innerDots);
            System.out.printf("%1$s*%2$s*%1$s\n", outerDotSeq, innerDotSeq);
            innerDots += 2;
        }

        System.out.println(newString('*', size));

        outerDots = size / 4;
        outerDotSeq = newString('.', outerDots);
        innerDots = size - (2 * outerDots) - 2;
        innerDotSeq = newString('.', innerDots);
        for (int row = (size / 2) + 1; row < size - 1; row++) {
            System.out.printf("%1$s*%2$s*%1$s\n", outerDotSeq, innerDotSeq);
        }

        String innerBottom = newString('*', size - (2 * outerDots));
        System.out.printf("%1$s%2$s%1$s\n", outerDotSeq, innerBottom);
    }

    private static String newString(char ch, int size) {
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < size; i++) {
            sb.append(ch);
        }

        return sb.toString();
    }
}