ch06/dataset/DataAnalyzer.java
 import java.util.Scanner;

 /**
 This program computes the average and maximum of a set
 of input values.
 */
 public class DataAnalyzer
 {
 public static void main(String[] args)
 {
 Scanner in = new Scanner(System.in);
 DataSet data = new DataSet();

 boolean done = false;
 while (!done)
 {
 System.out.print("Enter value, Q to quit: ");
 String input = in.next();
 if (input.equalsIgnoreCase("Q"))
 done = true;
 else
 {
 double x = Double.parseDouble(input);
 data.add(x);
 }
 }

 System.out.println("Average = " + data.getAverage());
 System.out.println("Maximum = " + data.getMaximum());
 }
 }