DataSetTester.java

package topicsExamples.Interfaces.Ex1;

import topicsExamples.Interfaces.BankAccount;
import topicsExamples.Interfaces.Coin;

/**
   This program tests the DataSet class.
*/
public class DataSetTester
{
   public static void main(String[] args)
   {
      DataSet bankData = new DataSet();

      bankData.add(new BankAccount(0));
      bankData.add(new BankAccount(10000));
      bankData.add(new BankAccount(2000));

      System.out.println("Average balance: " 
            + bankData.getAverage());
      System.out.println("Expected: 4000");
      Measurable max = bankData.getMaximum();
      System.out.println("Highest balance: " 
         + max.getMeasure());
      System.out.println("Expected: 10000");

      DataSet coinData = new DataSet();

      coinData.add(new Coin(0.25, "quarter"));
      coinData.add(new Coin(0.1, "dime"));
      coinData.add(new Coin(0.05, "nickel"));

      System.out.println("Average coin value: " 
            + coinData.getAverage());
      System.out.println("Expected: 0.133");            
      max = coinData.getMaximum();
      System.out.println("Highest coin value: " 
            + max.getMeasure());
      System.out.println("Expected: 0.25");            
   }
}