Polygon Generator

import java.util.*;
public class PolygonGen
{
    public void genPolygon(int s)
    {
        for(int i=1;i<=s;i++)
        {
            for(int j=1;j<=s;j++)
            {
                if(i==1||i==s)
                {
                    System.out.print("o ");
                }
                else if(j==1||j==s)
                {
                    System.out.print("o ");
                }
                else
                {
                    System.out.print("  ");
                }
            }
            System.out.println();
        }
    }
    public void genPolygon(int l,int b)
    {
        for(int i=1;i<=l;i++)
        {
            for(int j=1;j<=b;j++)
            {
                if(i==1||i==l)
                {
                    System.out.print("o ");
                }
                else if(j==1||j==b)
                {
                    System.out.print("o ");
                }
                else
                {
                    System.out.print("  ");
                }
            }
            System.out.println();
        }
    }
    public static void main(String args[])
    {
        int s=0,l=0,b=0;
        Scanner sc=new Scanner(System.in);
        PolygonGen ob=new PolygonGen();
        System.out.print("Enter side of sqaure: ");
        s=sc.nextInt();
        ob.genPolygon(s);
        System.out.print("Enter length of rectangle: ");
        l=sc.nextInt();
        System.out.print("Enter breadth of rectangle: ");
        b=sc.nextInt();
        ob.genPolygon(l,b);
    }
}