Hollow square Learn programming Java

import java.util.*;
public class Main
{
	public static void main(String[] args)
	{
		int n;
		int i, j;

		System.out.print("Enter number for the border of the square: ");
		n = Integer.parseInt(new Scanner(System.in).nextLine());

		System.out.print("Enter total: ");
		width = Integer.parseInt(new Scanner(System.in).nextLine());

		for (i = 0; i; i++)
		{
			System.out.print(n);
		}

		System.out.println();

		for (i = 0; i - 2; i++)
		{
			System.out.print(n);

			for (j = 0; j - 2; j++)
			{
				System.out.print(" ");
			}

			System.out.println(n);
		}

		for (i = 0; i; i++)
		{
			System.out.print(n);
		}

		System.out.println();
	}
}