Square Frame

import java.util.Scanner;

public class SquareFrame_04 {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int n = Integer.parseInt(scan.nextLine());
        for (int i = 1; i <= 1; i++) {
            System.out.print("+");
            for (int j = 0; j < n - 2; j++) {
                System.out.print(" -");
            }
            for (int k = 0; k < 1; k++) {
                System.out.print(" +");
            }
        }
        System.out.println();
        for (int j = 0; j < n - 2; j++) {
            for (int k = 0; k < 1; k++) {
                System.out.print("|");
            }

            for (int l = 1; l <= n - 2; l++) {
                System.out.print(" -");
            }
            for (int k = 0; k < 1; k++) {
                System.out.print(" |");
            }
            System.out.println();
        }
        System.out.print("+");
        for (int j = 1; j <= n - 2; j++) {
            System.out.print(" -");
        }
        for (int k = 0; k < 1; k++) {
            System.out.print(" +");

        }
    }
}