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// RainfallStats - Class for keeping the rainfall statistics.
// Fred Swartz - Nov 29, 2005
public class RainfallStats {
//================================================ instance variables
private int _numberOfDataPoints;
private double _total;
//======================================================= constructor
public RainfallStats() {
_total = 0.0;
_numberOfDataPoints = 0;
}
//============================================================== add
// Adds a data point to the rain data.
public void add(double rain) {
_total += rain;
_numberOfDataPoints++;
}
//========================================================= getNumber
// Return number of data points.
public int getNumber() {
return _numberOfDataPoints;
}
//========================================================= getTotal
// Returns total rainfall.
public double getTotal() {
return _total;
}
//======================================================= getAverage
// Returns average rainfall
public double getAverage() {
if (_numberOfDataPoints == 0) {
return 0.0;
} else {
return _total / _numberOfDataPoints;
}
}
//======================================================= clear
// Get rid of all data.
public void clear() {
_total = 0.0;
_numberOfDataPoints = 0;
}
}
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