1. Create a Rack class with 5 tiles, Tile t1 = new Tile(5, Color.Red); Tile t2 = new Tile(5, Color.Blue); Tile t3 = new Tile(5, Color.Red); Tile t4 = new Tile(2, Color.Yellow); Tile t5 = new Tile(1, Color.Red); 2. Use the method of sortByNumber() Expected: - t5 > t4 > t2 > t1 > t3 Actual: - t5 > t4 > t1 > t2 > t3