public class Stuff
{
   // arrays to hold distinct measurement values and associated
   // number of times each occurs
   int [] freq;
   int [] measurements;

   // logical size of arrays
   int Number;


   // default constructor
   public Stuff()
   {
       freq = new int[10];
       measurements = new int[10];
       Number = 0;
   }

   // Method that is passed a measurement (value) and
   // returns the index corresponding to the cell in 
   // in which the measurement is store, or -1
   public int search (int value)
   {
     return 0;
   }


   // Method to insert  a measurement (value).  Keep in mind
   // there are two cases, value is already stored in measurements
   // in which case you want to increment the corresponding
   // freq, or
   // value is not stored in which case you want to
   // insert value into measurements and initialize
   // freq.  (REMEMBER the method search() 
   // above.)
   public void addNew(int value)
   {
     
   }

   // Method to compute the average weighted sum of the 
   // entries stored: the average of the following values
   // freq[0]*measurements[0], ..., freq[Number-1]*measurements[Number-1]
   public double weightedaverage()
   {
     return 0.0;
   }

}