what does the following code do sensormanager mgr getsystemservice sensorservice list..., Android Programming, Mobile Technologies

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Question:What does the following code do?SensorManager mgr = (SensorManager) getSystemService(SENSOR_SERVICE);
List<Sensor> sensors = mgr.getSensorList(Sensor.TYPE_ALL);
for (Sensor sensor : sensors) {
        System.out.println(""+sensor.getName());
}

A prints names of all available sensors in device 
B prints names of all available sensor types in device 
C prints names of all sensors which are not available 
D none

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Question:What does the following code do?SensorManager mgr = (SensorManager) getSystemService(SENSOR_SERVICE); List<Sensor> sensors = mgr.getSensorList(Sensor.TYPE_ALL); for (Sensor sensor : sensors) { System.out.println(""+sensor.getName()); }

A prints names of all available sensors in device

B prints names of all available sensor types in device

C prints names of all sensors which are not available

D none

A

Question:What does the following code do?
SensorManager mgr = (SensorManager) getSystemService(SENSOR_SERVICE); List<Sensor> sensors = mgr.getSensorList(Sensor.TYPE_ALL); for (Sensor sensor : sensors) { System.out.println(""+sensor.getName()); }