public String toString() {
		String outStr = ""; // Initialise the output string to an empty string
		
		for (int i = 0; i < height; i ++) { // Repeat the code in the loop for every column
			for (int j = 0; j < width; j ++) { // Repeat the code in the loop for every row
				outStr += "+"; // Add a "+" to the output string
			}
			
			outStr += "\n"; // Start a new line at the end of every row
		}
		
		return outStr; // Return the output string
		
	}