Фигурка с метод

package metodi;

import java.util.Scanner;

public class metodiii {

    public static void top (int n ) {

        System.out.print("+");
        for( int i = 0 ; i < n - 2 ; i++ ) {
        System.out.print("-");
    }
       System.out.println("+");
    }
       public static void mid (int n ) {

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

           }
       }
           public static void main(String[] args) {
                Scanner scan = new Scanner(System.in);

                int n = scan.nextInt();

                top(n);
                mid(n);
                top(n);

           }


}