More about objects in Java - JavaTech: An Introduction to Scientific and Technical Computing with Java - page 129

/** A simple histogram class to count the frequency of
* values of a parameter of interest. **/
class BetterHist extends BasicHist
{
/** This constructor initializes the basic elements of
* the histogram.
**/
public BetterHist (int numBins, double lo, double hi) {
super (numBins, lo, hi);
}
/** Get the low end of the range. **/
public double getLo ()
{ return lo; }
/** Get the high end of the range. **/
public double getHi ()
{ return hi; }
/** Get the number of entries in the largest bin. **/
public int getMax () {
int max = 0;
for (int i = 0; i < numBins; i++)
if (max < bins[i]) max = bins[i];
return max;
}
/** Get the number of entries in the smallest bin. **/
public int getMin () {
int min = getMax ();
for (int i = 0; i < numBins; i++)
if (min > bins[i]) min = bins[i];
return min;
}
/** Get the total number of entries **/
public int getTotal () {
int total = 0;
for (int i = 0; i < numBins; i++)
total + = bins[i];
return total;
}
/** Get the average and std. dev. of the distribution. **/
public double [] getStats () {
int total = 0;