Square of stars

import java.util.Scanner;

public class task6_lection {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        int n = Integer.parseInt(scanner.nextLine());

        String firstAndLastRow = "";

        for (int i = 1; i <= n; i++) {
            firstAndLastRow = "*";
            System.out.print(firstAndLastRow);

        }
    }
}