Print Square
public class Main { public static void main(String[] args) { int n = 15;/*from ww w .ja v a 2s .c o m*/ String a = "*"; String b = " "; for (int i = 0; i < n; i++) { System.out.print("*"); } System.out.println(); for (int i = 0; i < n - 2; i++) { System.out.print("*"); for (int j = 0; j < n - 2; j++) { System.out.print(" "); } System.out.println("*"); } for (int i = 0; i < n; i++) { System.out.print("*"); } } }