public class Direction {
    public static void main(String[] args) {
        float[] degrees =
            {
                Math.nextAfter(337.5f, Double.NEGATIVE_INFINITY),
                337.5f,
                Math.nextAfter(337.5f, Double.POSITIVE_INFINITY),

                Math.nextAfter(22.5f, Double.NEGATIVE_INFINITY),
                22.5f,
                Math.nextAfter(22.5f, Double.POSITIVE_INFINITY),

                Math.nextAfter(67.5f, Double.NEGATIVE_INFINITY),
                67.5f,
                Math.nextAfter(67.5f, Double.POSITIVE_INFINITY),

                Math.nextAfter(112.5f, Double.NEGATIVE_INFINITY),
                112.5f,
                Math.nextAfter(112.5f, Double.POSITIVE_INFINITY),

                Math.nextAfter(157.5f, Double.NEGATIVE_INFINITY),
                157.5f,
                Math.nextAfter(157.5f, Double.POSITIVE_INFINITY),

                Math.nextAfter(202.5f, Double.NEGATIVE_INFINITY),
                202.5f,
                Math.nextAfter(202.5f, Double.POSITIVE_INFINITY),

                Math.nextAfter(247.5f, Double.NEGATIVE_INFINITY),
                247.5f,
                Math.nextAfter(247.5f, Double.POSITIVE_INFINITY),

                Math.nextAfter(292.5f, Double.NEGATIVE_INFINITY),
                292.5f,
                Math.nextAfter(292.5f, Double.POSITIVE_INFINITY)
            };

        for (float degree : degrees) {
            System.out.println(degree + " " + getWindDirection(degree));
        }
    }

    private static String getWindDirection(float degrees) {
        // each direction is defined per 45 degrees, mod by 8 so that 360 = N
        // (may not be necessary depending on the data)
        String[] directions = new String[] {"N", "NE", "E", "SE", "S", "SW", "W", "NW"};
        return directions[(int) Math.round(degrees / 45) % 8];
    }
}