House made out of symbols

import java.util.Scanner;
class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    System.out.print("Enter the number of stars: ");
    int n = Integer.parseInt(sc.nextLine());
    //roof

     int stars = 1;
     if(n % 2 == 0){
         stars++;

     }


     double roofLength = (int)Math.ceil(n/2);

     for(int i =0;i<roofLength;i++){
         int padding = (n-stars)/2;
         String line = generateFrom("-",padding) + generateFrom("*",stars) + generateFrom("-",padding);
         System.out.println(line);
         stars+=2;
     }
    //main part
    String starsMain = generateFrom("*",n-2);
    int forLoop = 0;
    if(n % 2 == 0){
        forLoop = n/2;
    }
    else{
        forLoop = (n-1)/2;
    }
    for(int i= 0;i<forLoop;i++){
        System.out.print("|");
        System.out.print(starsMain);
        System.out.print("|");
        System.out.println();
    }

}


  public static String generateFrom(String symbol, int numberOfStars){
    StringBuffer builder = new StringBuffer();
    for(int i = 0;i< numberOfStars;i++){
      builder.append(symbol);
    }
    return builder.toString();
  }
}