/**
 * This is a javadoc comment for the class 
 * Square. Square can draw itself using 
 * nothing more than printable characters.
 */
class Square {
  int size;
  /**
   * This is a javadoc comment for the 
   * constructor. 
   * Square needs a size, please give it
   * an integer size. 
   */
  Square(int x) {
	size = x;
  }

  /**
   * Draw will generate a character based
   * representation of the Square by printing
   * characters to System.out
   */
  public void Draw() {
	for (int i=0;i<size;i++) {
	  for (int j=0;j<size;j++) {
		System.out.print("*");
	  }
	  System.out.println();
	}
  }

  /**
   * This is a javadoc comment for the 
   * method toString(). 
   * as a String, a Square just reports
   * it's size.
   */
  public String toString() {
	return("Square of size " + size);
  }

  /**
   * How about some test code? Sounds good.
   */
  public static void main(String[] args) {
	Square s = new Square(Integer.parseInt(args[0]));
	System.out.println(s);
	s.Draw();
  }
}