Pattern printing : Coke bottle

import java.util.*;
class GFG {
    public static void main (String[] args) {
        Scanner sc=new Scanner(System.in);
        int n=sc.nextInt();
            for(int j=1;j<=(n/2)-1;j++){
        for(int i=1;i<=(n/2)+2;i++){
            if(i==1 || i==2)
            System.out.print(" ");
            else
            System.out.print("*");
        }
        System.out.println();
        }
        for(int i=1;i<=n-1;i++){
            if(i==1)
            System.out.print(" ");
            else
            System.out.print("*");
        }
        System.out.println();
        for(int j=1;j<=n/2;j++){
        for(int i=1;i<=n;i++){
            System.out.print("*");
        }
        System.out.println();
        }
        for(int j=1;j<=(n/2)-1;j++){
            for(int i=1;i<=n-1;i++){
            if(i==1)
            System.out.print(" ");
            else
            System.out.print("*");
        }
        System.out.println();
        }  
        for(int j=1;j<=n/2;j++){
        for(int i=1;i<=n;i++){
            System.out.print("*");
        }
        System.out.println();
        }
        for(int i=1;i<=n-1;i++){
            if(i==1)
            System.out.print(" ");
            else
            System.out.print("*");
        }
        System.out.println();
    }
}

INPUT : 7

OUTPUT :

  ***
  ***
 *****
*******
*******
*******
 *****
 *****
*******
*******
*******
 *****