public TurtleGraphics(int rows, int columns) {
		this.row = 0; // Set the row of the turtle to 0
		this.column = 0; // Set the column of the turtle to 0

		this.direction = ">"; // Set the direction to right
		this.penDown = false; // Set the state of the pen to false
		this.eraser = false; // Set the mode of the pen to draw

		this.board = new String[rows][columns]; // Create an array of string arrays (a 2-dimensional string array) and use it as the board

		for (int r = 0; r < this.board.length; r ++) { // Go through each row in the board
			for (int c = 0; c < this.board[r].length; c ++) { // Go through each column in this row
				this.board[r][c] = " "; // Set the current cell to be empty
			}
		}
	}