Method isFree

java/Chapter 9/Question9_2/QuestionDP.java:13–19

(int x, int y)

	public static int[][] maze = new int[size][size];
	
	public static boolean isFree(int x, int y) {
		if (maze[x][y] == 0) {
			return false;
		} else {
			return true;
		}
	}
	
	public static boolean getPath(int x, int y, ArrayList<Point> path) {
		// If out of bounds or not available, return.