Review Sensor framework

[jabrena]

http://stackoverflow.com/questions/5192226/what-is-the-best-practice-to-modify-an-object-passed-to-a-method

[jabrena]

http://blog.agiledeveloper.com/2017/01/closures-dont-mean-mutability.html?view=classic&m=1

[jabrena]

//get a port instance
Port port = LocalEV3.get().getPort("S2");

// Get an instance of the Ultrasonic EV3 sensor
SensorModes sensor = new EV3UltrasonicSensor(port);

// get an instance of this sensor in measurement mode
SampleProvider distance= sensor.getMode("Distance");

// initialize an array of floats for fetching samples.
// Ask the SampleProvider how long the array should be
float[] sample = new float[distance.sampleSize()];

// fetch a sample
while(true)
distance.fetchSample(sample, 0);

[jabrena]

https://sourceforge.net/p/lejos/wiki/Sensor%20Framework/